Merge remote-tracking branch 'origin/main' into diagnose/3589-contributor-6b87ee9f

packages/app/app.config.js

@@ -142,6 +142,7 @@ export default {
       searchPaths: ["../../node_modules", "./node_modules"],
     },
     plugins: [
+      "./modules/paseo-hardware-keyboard/app.plugin",
       "expo-router",
       withPasteInput,
       withAndroidScroll,

packages/app/app.config.test.ts

@@ -94,3 +94,21 @@ it("allows all orientations on iPhone and iPad", async () => {
     await rm(root, { recursive: true, force: true });
   }
 }, 30_000);
+
+// Scene startup is the integration boundary for the iOS keyboard window.
+describe("hardware keyboard scene integration", () => {
+  it("installs observation after Expo creates the scene window and is idempotent", () => {
+    const {
+      configureHardwareKeyboardAppDelegate,
+    } = require("./modules/paseo-hardware-keyboard/app.plugin.js");
+    const source =
+      "import Expo\nclass Scene {\n  super.scene(scene, willConnectTo: session, options: connectionOptions)\n}\n";
+    const configured = configureHardwareKeyboardAppDelegate(source);
+    expect(configured).toContain("import PaseoHardwareKeyboard");
+    expect(configured).toContain("PaseoHardwareKeyboardWindow.observing(window)");
+    expect(configured.indexOf("super.scene")).toBeLessThan(
+      configured.indexOf(".observing(window)"),
+    );
+    expect(configureHardwareKeyboardAppDelegate(configured)).toBe(configured);
+  });
+});

packages/app/e2e/browser/add-project-flow.spec.ts

@@ -5,6 +5,7 @@ import path from "node:path";
 import { test, expect } from "../support/fixtures";
 import {
   addProjectFlow,
+  chooseAddHostFromProjectFlow,
   addProjectFlowBack,
   addProjectFlowHost,
   addProjectFlowInput,
@@ -14,11 +15,14 @@ import {
   expectNewWorkspaceForAddedProject,
   expectAddProjectResultVisible,
   navigateAddProjectResults,
+  navigateAndDismissAddProject,
+  watchAddProjectRenderWarnings,
   openAddProjectFlow,
   openAddProjectHostSelection,
 } from "../support/helpers/add-project-flow";
 import { gotoAppShell } from "../support/helpers/app";
 import {
+  disconnectAllHostsAndReload,
   addConnectedHostAndReload,
   addConnectedHostsAndReload,
   addOfflineHostAndReload,
@@ -69,6 +73,19 @@ async function expectProjectHasNoWorkspaces(projectId: string): Promise<void> {
 test.describe("Add Project command-center flow", () => {
   test.describe.configure({ timeout: 180_000 });
 
+  test("Add host replaces the project dialog when no hosts are connected", async ({ page }) => {
+    await gotoAppShell(page);
+    await disconnectAllHostsAndReload(page);
+    await openAddProjectHostSelection(page);
+    const originalUrl = page.url();
+    await chooseAddHostFromProjectFlow(page);
+    await expect(addProjectFlow(page)).toBeHidden();
+    await expect(
+      page.getByRole("button", { name: "Direct connection", exact: true }),
+    ).toBeVisible();
+    await expect(page).toHaveURL(originalUrl);
+  });
+
   test("method selection shows the daemon's available project sources without search", async ({
     page,
   }) => {
@@ -131,6 +148,7 @@ test.describe("Add Project command-center flow", () => {
     test("Escape and Back restore searchable page input before closing at the root", async ({
       page,
     }) => {
+      const renderWarnings = watchAddProjectRenderWarnings(page);
       await gotoAppShell(page);
       await addConnectedHostAndReload(page, {
         serverId: secondaryHost.serverId,
@@ -168,8 +186,9 @@ test.describe("Add Project command-center flow", () => {
 
       await page.keyboard.press("Escape");
       await expectAddProjectPage(page, "host");
-      await page.keyboard.press("Escape");
+      await navigateAndDismissAddProject(page);
       await expect(addProjectFlow(page)).not.toBeVisible();
+      expect(renderWarnings).toEqual([]);
     });
 
     test("New directory creates a Project on the selected remote host", async ({ page }) => {

packages/app/e2e/browser/agent-message-submission.spec.ts

@@ -235,6 +235,7 @@ async function beginTimelineRowStabilityCheck(
       lastTop: initialRow.getBoundingClientRect().top,
       largestDownwardShift: 0,
       sawMissing: false,
+      sawHidden: false,
     };
     const windowState = window as unknown as Record<string, unknown>;
     windowState.__messageSubmissionTimelineRowStability = state;
@@ -245,6 +246,9 @@ async function beginTimelineRowStabilityCheck(
         requestAnimationFrame(checkFrame);
         return;
       }
+      if (!initialRow.checkVisibility({ opacityProperty: true, visibilityProperty: true })) {
+        state.sawHidden = true;
+      }
       const top = initialRow.getBoundingClientRect().top;
       state.largestDownwardShift = Math.max(state.largestDownwardShift, top - state.lastTop);
       state.lastTop = top;
@@ -257,14 +261,24 @@ async function beginTimelineRowStabilityCheck(
     const result = await page.evaluate(() => {
       const windowState = window as unknown as Record<string, unknown>;
       const state = windowState.__messageSubmissionTimelineRowStability as
-        | { active: boolean; largestDownwardShift: number; sawMissing: boolean }
+        | {
+            active: boolean;
+            largestDownwardShift: number;
+            sawMissing: boolean;
+            sawHidden: boolean;
+          }
         | undefined;
       if (!state) throw new Error("Timeline-row stability check was not started");
       state.active = false;
       delete windowState.__messageSubmissionTimelineRowStability;
-      return { largestDownwardShift: state.largestDownwardShift, sawMissing: state.sawMissing };
+      return {
+        largestDownwardShift: state.largestDownwardShift,
+        sawMissing: state.sawMissing,
+        sawHidden: state.sawHidden,
+      };
     });
     expect(result.sawMissing).toBe(false);
+    expect(result.sawHidden).toBe(false);
     expect(result.largestDownwardShift).toBeLessThanOrEqual(2);
   };
 }
@@ -1178,7 +1192,13 @@ test.describe("Agent message submission", () => {
     test.setTimeout(120_000);
     const toasts = await recordPanelToasts(page);
     const pending = await beginDraftCreateSubmission(page, draftCreateScenario);
+    // The created agent takes over the draft's timeline: the same row stays mounted and painted.
+    const finishTimelineRowStabilityCheck = await beginTimelineRowStabilityCheck(
+      page,
+      pending.userMessage,
+    );
     await completeDraftCreateSubmission(page, draftCreateScenario, pending);
+    await finishTimelineRowStabilityCheck();
     // A chat this client just created is current by construction; it is never out of date.
     await toasts.expectNeverShown("agent-updating-toast");
   });

packages/app/e2e/browser/agent-timeline-sync-retry.spec.ts

@@ -18,8 +18,10 @@ test.describe("Agent timeline sync retry", () => {
     const gate = await installDaemonWebSocketGate(page);
     const agent = await seedLongMockAgentTimeline({ turns: 2 });
     try {
+      gate.holdNextClientRequest("clear_agent_attention");
       await openAgentTimeline(page, agent);
       await expectTimelinePromptVisible(page, agent.newestPrompt);
+      await gate.waitForHeldClientRequest();
 
       gate.failTimelineResponses(agent.agentId);
       await disconnectViewedTimeline(page, gate);

packages/app/e2e/browser/agent-turn-end.spec.ts

@@ -0,0 +1,327 @@
+import type { Page } from "@playwright/test";
+import { expect, test as baseTest } from "../support/fixtures";
+import { expectAgentIdle } from "../support/helpers/agent-stream";
+import { submitMessage } from "../support/helpers/composer";
+import { installDaemonWebSocketGate } from "../support/helpers/daemon-websocket-gate";
+import {
+  openAgentRoute,
+  seedMockAgentWorkspace,
+  type MockAgentWorkspace,
+} from "../support/helpers/mock-agent";
+
+// A turn ends with its final reply, `turn_completed`, and the idle status snapshot arriving
+// within a few milliseconds of each other. These tests hold all three, let the running
+// turn paint, then release them together and sample every painted frame.
+
+interface Box {
+  top: number;
+  height: number;
+}
+
+interface TurnEndFrame {
+  at: number;
+  running: boolean;
+  footer: Box | null;
+  userRow: Box | null;
+  replyVisible: boolean;
+}
+
+declare global {
+  interface Window {
+    __turnEndFrames?: { active: boolean; frames: TurnEndFrame[] };
+  }
+}
+
+const test = baseTest.extend<{ agent: MockAgentWorkspace }>({
+  agent: async ({ page: _page }, provide) => {
+    const agent = await seedMockAgentWorkspace({
+      repoPrefix: "turn-end-",
+      title: "Turn end",
+      initialPrompt: "emit 4 tool agent stream updates",
+    });
+    await agent.client.waitForFinish(agent.agentId, 15_000);
+    await provide(agent);
+    await agent.cleanup();
+  },
+});
+
+async function recordTurnEndFrames(
+  page: Page,
+  input: { prompt: string; reply: string | null },
+): Promise<void> {
+  await page.evaluate(({ prompt, reply }) => {
+    const state = { active: true, frames: [] as TurnEndFrame[] };
+    const isVisible = (element: Element | null | undefined) => Boolean(element?.checkVisibility());
+    const boxOf = (element: Element | null | undefined): Box | null => {
+      if (!element || !isVisible(element)) return null;
+      const rect = element.getBoundingClientRect();
+      return rect.height > 0 ? { top: rect.top, height: rect.height } : null;
+    };
+    const sample = () => {
+      const viewport = Array.from(
+        document.querySelectorAll('[data-testid="agent-chat-scroll"]'),
+      ).find((candidate) => isVisible(candidate));
+      const footers = Array.from(viewport?.querySelectorAll('[data-testid="turn-footer"]') ?? [])
+        .map(boxOf)
+        .filter((box): box is Box => box !== null)
+        .sort((left, right) => left.top - right.top);
+      const userRow = Array.from(
+        viewport?.querySelectorAll('[data-testid="user-message"]') ?? [],
+      ).find((candidate) => candidate.textContent?.includes(prompt));
+      const replyRow =
+        reply === null
+          ? undefined
+          : Array.from(viewport?.querySelectorAll('[data-testid="assistant-message"]') ?? []).find(
+              (candidate) => candidate.textContent?.includes(reply),
+            );
+      state.frames.push({
+        at: performance.now(),
+        running: Boolean(viewport?.querySelector('[data-testid="turn-working-indicator"]')),
+        footer: footers.at(-1) ?? null,
+        userRow: boxOf(userRow),
+        replyVisible: boxOf(replyRow) !== null,
+      });
+      if (state.active) requestAnimationFrame(() => setTimeout(sample, 0));
+    };
+    window.__turnEndFrames = state;
+    requestAnimationFrame(() => setTimeout(sample, 0));
+  }, input);
+}
+
+async function recordPaintsFor(page: Page, durationMs: number): Promise<void> {
+  const until = await page.evaluate((duration) => performance.now() + duration, durationMs);
+  await expect
+    .poll(() => page.evaluate(() => window.__turnEndFrames?.frames.at(-1)?.at ?? 0))
+    .toBeGreaterThanOrEqual(until);
+}
+
+async function stopRecording(page: Page): Promise<TurnEndFrame[]> {
+  return page.evaluate(() => {
+    const state = window.__turnEndFrames;
+    if (!state) throw new Error("Turn end frames were not recorded");
+    state.active = false;
+    return state.frames;
+  });
+}
+
+async function recordTurnEnd(
+  page: Page,
+  agent: MockAgentWorkspace,
+  input: { prompt: string; reply: string | null },
+): Promise<TurnEndFrame[]> {
+  const gate = await installDaemonWebSocketGate(page);
+  await openAgentRoute(page, { workspaceId: agent.workspaceId, agentId: agent.agentId });
+  await expectAgentIdle(page);
+
+  if (input.reply === null) {
+    gate.setAgentStreamItemSuppressed("assistant_message", true);
+  } else {
+    gate.holdNextAgentStreamItem("assistant_message");
+  }
+  gate.holdNextAgentStreamEvent("turn_completed");
+  // The daemon sends more than one idle snapshot; hold the first and drop the rest until release.
+  gate.holdNextAgentUpdate(agent.agentId, "idle");
+  gate.setServerMessageSuppressed("agent_update", true);
+  await recordTurnEndFrames(page, input);
+  await submitMessage(page, input.prompt);
+  await Promise.all([
+    input.reply === null ? Promise.resolve() : gate.waitForHeldAgentStreamItem("assistant_message"),
+    gate.waitForHeldAgentStreamEvent("turn_completed"),
+    gate.waitForHeldAgentUpdate(agent.agentId, "idle"),
+  ]);
+  await expect(page.getByTestId("turn-working-indicator")).toBeVisible();
+  await recordPaintsFor(page, 200);
+
+  if (input.reply !== null) gate.releaseHeldAgentStreamItem("assistant_message");
+  gate.releaseHeldAgentStreamEvent("turn_completed");
+  gate.releaseHeldAgentUpdate(agent.agentId, "idle");
+  gate.setServerMessageSuppressed("agent_update", false);
+  await expectAgentIdle(page);
+  await recordPaintsFor(page, 300);
+  return stopRecording(page);
+}
+
+function describeFrames(frames: TurnEndFrame[]): string {
+  return frames
+    .map(
+      (frame, index) =>
+        `${index}: ${frame.running ? "running " : "complete"} footer=${
+          frame.footer ? `${frame.footer.top.toFixed(1)}+${frame.footer.height.toFixed(1)}` : "none"
+        } prompt=${frame.userRow?.top.toFixed(1) ?? "none"} reply=${frame.replyVisible}`,
+    )
+    .join("\n");
+}
+
+function expectSteadyTurnEnd(frames: TurnEndFrame[], input: { reply: string | null }): void {
+  const firstRunning = frames.findIndex((frame) => frame.running && frame.footer !== null);
+  const firstComplete = frames.findIndex((frame, index) => index > firstRunning && !frame.running);
+  const record = `frames:\n${describeFrames(frames)}`;
+  expect(firstRunning, record).toBeGreaterThanOrEqual(0);
+  expect(firstComplete, record).toBeGreaterThan(firstRunning);
+
+  const transition = frames.slice(firstRunning);
+  const runningHeight = transition[0].footer?.height;
+  expect(
+    transition.map((frame) => frame.footer?.height ?? null),
+    `the footer must stay painted at one height\n${record}`,
+  ).toEqual(transition.map(() => runningHeight));
+  if (input.reply !== null) {
+    expect(
+      frames.slice(firstComplete).every((frame) => frame.replyVisible),
+      `a completed turn must show its reply in the same frame\n${record}`,
+    ).toBe(true);
+  }
+  // Tool rows land while the turn runs; only the turn end itself must be one step.
+  const ending = frames.slice(firstComplete - 1);
+  const promptMoves = ending
+    .slice(1)
+    .filter((frame, index) => frame.userRow?.top !== ending[index].userRow?.top);
+  expect(
+    promptMoves.length,
+    `the prompt must move at most once as the turn ends\n${record}`,
+  ).toBeLessThanOrEqual(1);
+}
+
+test.describe("Turn end", () => {
+  test("ends a plain reply without moving or dropping its footer", async ({ page, agent }) => {
+    const input = { prompt: "emit 1 coalesced agent stream updates", reply: "stress-update-0" };
+    expectSteadyTurnEnd(await recordTurnEnd(page, agent, input), input);
+  });
+
+  test("ends a tool turn with its reply and completed footer together", async ({ page, agent }) => {
+    const input = { prompt: "emit 3 tool agent stream updates", reply: "Completed 3 commands" };
+    expectSteadyTurnEnd(await recordTurnEnd(page, agent, input), input);
+  });
+
+  test("keeps the footer height when a turn ends on a tool call", async ({ page, agent }) => {
+    const input = { prompt: "emit 2 tool agent stream updates", reply: null };
+    expectSteadyTurnEnd(await recordTurnEnd(page, agent, input), input);
+  });
+});
+
+async function expectTimingInsideFooter(page: Page): Promise<void> {
+  const label = page.getByRole("button", { name: /^Worked for/ }).last();
+  const paintedLines = await label.getByTestId("turn-footer-timing-label").evaluate((element) => {
+    const labelBounds = element.parentElement!.getBoundingClientRect();
+    const rowBounds = element.closest('[data-testid="turn-footer"]')!.getBoundingClientRect();
+    const walker = document.createTreeWalker(element, NodeFilter.SHOW_TEXT);
+    const lines: boolean[] = [];
+    while (walker.nextNode()) {
+      const range = document.createRange();
+      range.selectNodeContents(walker.currentNode);
+      for (const rect of range.getClientRects()) {
+        lines.push(
+          rect.left >= Math.max(rowBounds.left, labelBounds.left) - 0.5 &&
+            rect.right <= Math.min(rowBounds.right, labelBounds.right) + 0.5 &&
+            rect.top >= Math.max(rowBounds.top, labelBounds.top) - 0.5 &&
+            rect.bottom <= Math.min(rowBounds.bottom, labelBounds.bottom) + 0.5,
+        );
+      }
+    }
+    return lines;
+  });
+  expect(paintedLines.length).toBeGreaterThan(0);
+  expect(paintedLines.every(Boolean)).toBe(true);
+}
+
+async function expectFooterWithinWidth(page: Page, width: number): Promise<void> {
+  const footer = page.getByTestId("turn-footer").last();
+  await footer.evaluate((element, availableWidth) => {
+    element.style.width = `${availableWidth}px`;
+  }, width);
+  const label = page.getByRole("button", { name: /^Worked for/ }).last();
+  await expect(label).toBeVisible();
+  await expectTimingInsideFooter(page);
+  const controls = footer.getByRole("button", { name: /Copy turn|Fork chat/ });
+  const before = await controls.evaluateAll((elements) =>
+    elements.map((element) => {
+      const rect = element.getBoundingClientRect();
+      return { x: rect.x, y: rect.y };
+    }),
+  );
+  const footerBefore = await footer.boundingBox();
+  const labelBefore = await label.boundingBox();
+  await label.hover({ position: { x: labelBefore!.width - 2, y: labelBefore!.height - 2 } });
+  await expect(label.getByTestId("turn-footer-timing-label")).toContainText(/\d:\d\d/);
+  expect(await label.boundingBox()).toMatchObject({
+    x: labelBefore!.x,
+    width: labelBefore!.width,
+    height: labelBefore!.height,
+  });
+  expect(
+    await controls.evaluateAll((elements) =>
+      elements.map((element) => {
+        const rect = element.getBoundingClientRect();
+        return { x: rect.x, y: rect.y };
+      }),
+    ),
+  ).toEqual(before);
+  expect(await footer.boundingBox()).toMatchObject({
+    x: footerBefore!.x,
+    y: footerBefore!.y,
+    width: footerBefore!.width,
+  });
+  await expectTimingInsideFooter(page);
+  await page.mouse.move(0, 0);
+  await expect(label.getByTestId("turn-footer-timing-label")).toContainText("Worked for");
+}
+
+test("footer timing fits the chat column and swapping labels keeps controls in place", async ({
+  page,
+  agent,
+}) => {
+  await openAgentRoute(page, agent);
+  await expectFooterWithinWidth(page, 140);
+  await expectFooterWithinWidth(page, 150);
+  await expectFooterWithinWidth(page, 300);
+  await expectFooterWithinWidth(page, 880);
+});
+
+async function visibleFooterLeftEdges(page: Page): Promise<number[]> {
+  return page.evaluate(() => {
+    const viewport = Array.from(
+      document.querySelectorAll('[data-testid="agent-chat-scroll"]'),
+    ).find((candidate) => candidate.checkVisibility());
+    return Array.from(viewport?.querySelectorAll('[data-testid="turn-footer"]') ?? [])
+      .filter((footer) => footer.checkVisibility())
+      .map((footer) => Math.round(footer.getBoundingClientRect().left));
+  });
+}
+
+async function expectFootersInOneColumn(page: Page): Promise<void> {
+  await expect
+    .poll(async () => {
+      const edges = await visibleFooterLeftEdges(page);
+      return edges.length >= 2 && new Set(edges).size === 1 ? "one column" : edges;
+    })
+    .toBe("one column");
+}
+
+test("keeps the latest turn's footer in the chat column while it runs and after it ends", async ({
+  page,
+  agent,
+}) => {
+  // Wider than the chat's max width, so the column is centered with space on both sides.
+  await page.setViewportSize({ width: 1600, height: 1000 });
+  const gate = await installDaemonWebSocketGate(page);
+  await openAgentRoute(page, agent);
+  await expectAgentIdle(page);
+
+  gate.holdNextAgentStreamEvent("turn_completed");
+  gate.holdNextAgentUpdate(agent.agentId, "idle");
+  gate.setServerMessageSuppressed("agent_update", true);
+  await submitMessage(page, "emit 1 coalesced agent stream updates");
+  await Promise.all([
+    gate.waitForHeldAgentStreamEvent("turn_completed"),
+    gate.waitForHeldAgentUpdate(agent.agentId, "idle"),
+  ]);
+  await expect(page.getByTestId("turn-working-indicator")).toBeVisible();
+  await expectFootersInOneColumn(page);
+
+  gate.releaseHeldAgentStreamEvent("turn_completed");
+  gate.releaseHeldAgentUpdate(agent.agentId, "idle");
+  gate.setServerMessageSuppressed("agent_update", false);
+  await expectAgentIdle(page);
+  await expect(page.getByTestId("turn-working-indicator")).toHaveCount(0);
+  await expectFootersInOneColumn(page);
+});

packages/app/e2e/browser/appearance-theme-picker.spec.ts

@@ -9,9 +9,11 @@ test("shows Pure black in the appearance picker", async ({ page }, testInfo) =>
   await expect(page.getByTestId("settings-sidebar")).toBeVisible();
   await openSettingsSection(page, "appearance");
 
-  const themeTrigger = page.getByLabel("Theme: System", { exact: true });
-  await themeTrigger.click();
-  await expect(page.getByText("Pure black", { exact: true })).toBeVisible();
+  await expect(page.getByRole("radio", { name: "System", exact: true })).toBeChecked();
+  await expect(
+    page.getByRole("radiogroup", { name: "Theme" }).getByRole("radio").first(),
+  ).toHaveAccessibleName("System");
+  await expect(page.getByRole("radio", { name: "Pure black", exact: true })).toBeVisible();
   await page.screenshot({
     path: testInfo.outputPath("appearance-theme-picker.png"),
     fullPage: true,

packages/app/e2e/browser/archive-tab.spec.ts

@@ -6,6 +6,7 @@ import { connectSeedClient } from "../support/helpers/seed-client";
 import { createTempGitRepo } from "../support/helpers/workspace";
 import { buildHostWorkspaceRoute } from "@/utils/host-routes";
 import {
+  closeActiveAgentWithShortcut,
   archiveAgentFromDaemon,
   archiveAgentFromSessions,
   clickSessionRow,
@@ -20,8 +21,12 @@ import {
   openWorkspaceWithAgents,
   primeAdditionalPage,
   resetSeededPageState,
+  unarchiveAgentFromConversation,
   reloadWorkspace,
 } from "../support/helpers/archive-tab";
+import { openAgentRoute, seedMockAgentWorkspace } from "../support/helpers/mock-agent";
+import { expectComposerDraft, fillComposerDraft, submitMessage } from "../support/helpers/composer";
+import { awaitAssistantMessage, expectAgentIdle } from "../support/helpers/agent-stream";
 import { expectAgentTabActive } from "../support/helpers/launcher";
 
 test.describe("Archive tab reconciliation", () => {
@@ -51,6 +56,34 @@ test.describe("Archive tab reconciliation", () => {
     await tempRepo?.cleanup();
   });
 
+  test("restoring a closed agent retains its unsent composer draft after reload", async ({
+    page,
+  }) => {
+    const agent = await seedMockAgentWorkspace({
+      repoPrefix: "archived-composer-",
+      title: "Restore unsent draft",
+    });
+    try {
+      await openAgentRoute(page, agent);
+      await submitMessage(page, "A completed conversation before closing");
+      await awaitAssistantMessage(page);
+      await expectAgentIdle(page);
+      await fillComposerDraft(page, "Keep this unsent message after closing");
+      await expectComposerDraft(page, "Keep this unsent message after closing");
+      await closeActiveAgentWithShortcut(page, agent.agentId);
+      await expect.poll(() => fetchAgentArchivedAt(agent.client, agent.agentId)).not.toBeNull();
+      await page.reload();
+      await openSessions(page);
+      await expectSessionRowArchived(page, "Restore unsent draft");
+      await clickSessionRow(page, "Restore unsent draft");
+      await expectArchivedAgentFocused(page, agent.agentId);
+      await unarchiveAgentFromConversation(page);
+      await expectComposerDraft(page, "Keep this unsent message after closing");
+    } finally {
+      await agent.cleanup();
+    }
+  });
+
   test("non-UI archive prunes the archived tab across open pages and reload", async ({ page }) => {
     const archived = await createIdleAgent(client, {
       cwd: tempRepo.path,

packages/app/e2e/browser/assistant-file-link-tooltip.spec.ts

@@ -1,4 +1,5 @@
-import { writeFile } from "node:fs/promises";
+import { execFileSync } from "node:child_process";
+import { mkdir, writeFile } from "node:fs/promises";
 import path from "node:path";
 import { test, expect, type Page } from "../support/fixtures";
 import { openAgentRoute, seedMockAgentWorkspace } from "../support/helpers/mock-agent";
@@ -67,3 +68,54 @@ test("opening an assistant file link dismisses its tooltip over the file tab", a
     await agent.cleanup();
   }
 });
+
+async function readLinkedGuide(page: Page, linkName: string, content: string): Promise<void> {
+  await page.getByRole("link", { name: linkName, exact: true }).click();
+  await expect(page.getByTestId("markdown-preview-frame").filter({ visible: true })).toContainText(
+    content,
+  );
+}
+
+async function returnToNestedLinks(page: Page): Promise<void> {
+  await page.getByRole("button", { name: "Nested file links", exact: true }).click();
+  await expect(page.getByRole("link", { name: "nested guide", exact: true })).toBeVisible();
+}
+
+test("assistant directory paths find nested files and preserve exact workspace paths", async ({
+  page,
+}, testInfo) => {
+  testInfo.setTimeout(120_000);
+  const agent = await seedMockAgentWorkspace({
+    repoPrefix: "nested-file-link-",
+    title: "Nested file links",
+    featureValues: {
+      mockStreamingAssistantResponse:
+        "Read [nested guide](schema/x.md), [exact guide](schema/exact.md), and [missing guide](schema/missing.md).",
+      mockStreamingAssistantIntervalMs: 5,
+    },
+  });
+  try {
+    await mkdir(path.join(agent.cwd, "repo-a/schema"), { recursive: true });
+    execFileSync("git", ["init", "-b", "main"], { cwd: path.join(agent.cwd, "repo-a") });
+    await writeFile(
+      path.join(agent.cwd, "repo-a/schema/x.md"),
+      "# Nested file content\n\nDetails\n",
+    );
+    await mkdir(path.join(agent.cwd, "schema"), { recursive: true });
+    await writeFile(path.join(agent.cwd, "schema/exact.md"), "# Exact file content\n");
+    await writeFile(path.join(agent.cwd, "repo-a/schema/exact.md"), "# Wrong nested content\n");
+    await openAgentRoute(page, agent);
+    await agent.client.sendAgentMessage(agent.agentId, "Show the file links.");
+    await agent.client.waitForFinish(agent.agentId, 30_000);
+
+    await expect(page.getByRole("textbox", { name: "Message agent..." }).first()).toBeEnabled();
+    await readLinkedGuide(page, "nested guide", "Nested file content");
+    await returnToNestedLinks(page);
+    await readLinkedGuide(page, "exact guide", "Exact file content");
+    await returnToNestedLinks(page);
+    await page.getByRole("link", { name: "missing guide", exact: true }).click();
+    await expect(page.getByText("File not found", { exact: true })).toBeVisible();
+  } finally {
+    await agent.cleanup();
+  }
+});

packages/app/e2e/browser/assistant-selection-copy.spec.ts

@@ -723,3 +723,46 @@ test("copying a selection across an assistant image keeps its Markdown source an
     await agent.cleanup();
   }
 });
+
+test.describe("on a touch-capable desktop browser", () => {
+  // A touch screen registers the navigation pan's pointer listeners over the whole workspace.
+  // The pan accepts touch only, and a mouse drag must still extend the browser's selection.
+  test.use({ hasTouch: true });
+
+  test("a mouse drag selects across assistant paragraphs", async ({ page }) => {
+    const agent = await seedMockAgentWorkspace({
+      repoPrefix: "assistant-selection-drag-",
+      title: "Assistant selection drag",
+      initialPrompt: "Render three paragraphs.",
+      featureValues: {
+        mockAssistantResponse: "First paragraph.\n\nSecond paragraph.\n\nThird paragraph.",
+      },
+    });
+
+    try {
+      await agent.client.waitForAgentUpsert(
+        agent.agentId,
+        (snapshot) => snapshot.status === "idle",
+        30_000,
+      );
+      await openAgentRoute(page, agent);
+      const blocks = assistantMessageBlocks(page);
+      const first = await blocks.getByText("First paragraph.").boundingBox();
+      const third = await blocks.getByText("Third paragraph.").boundingBox();
+      if (!first || !third) {
+        throw new Error("Expected rendered paragraphs");
+      }
+
+      await page.mouse.move(first.x + 1, first.y + first.height / 2);
+      await page.mouse.down();
+      await page.mouse.move(third.x + third.width - 1, third.y + third.height / 2, { steps: 20 });
+      await page.mouse.up();
+
+      const selected = await page.evaluate(() => window.getSelection()?.toString() ?? "");
+      expect(selected).toContain("First paragraph.");
+      expect(selected).toContain("Third paragraph.");
+    } finally {
+      await agent.cleanup();
+    }
+  });
+});

packages/app/e2e/browser/background-agents.spec.ts

@@ -0,0 +1,65 @@
+import { test } from "../support/fixtures";
+import {
+  expectWorkspaceShownIdle,
+  finishAndArchiveAgent,
+  startBackgroundAgent,
+} from "../support/helpers/background-agents";
+import { openAgentRoute } from "../support/helpers/mock-agent";
+import { seedWorkspace, type SeededWorkspace } from "../support/helpers/seed-client";
+import {
+  expectSubagentRowGone,
+  expectSubagentRowVisible,
+  openSubagentsTrack,
+  seedParentWithSubagent,
+  seedSubagent,
+} from "../support/helpers/subagents";
+import { expectOnlyWorkspaceAgentTabsVisible } from "../support/helpers/workspace-tabs";
+
+test.describe("Background agents", () => {
+  let workspace: SeededWorkspace;
+
+  test.beforeAll(async () => {
+    workspace = await seedWorkspace({
+      repoPrefix: "background-agents-",
+      title: "Classifier workspace",
+    });
+  });
+
+  test.afterAll(async () => {
+    await workspace?.cleanup();
+  });
+
+  test("a background agent runs in an open workspace without announcing itself", async ({
+    page,
+  }) => {
+    const agents = await seedParentWithSubagent(workspace, {
+      parentTitle: "Feature agent",
+      childTitle: "Visible helper",
+    });
+    await openAgentRoute(page, { workspaceId: agents.workspaceId, agentId: agents.parent.id });
+    await openSubagentsTrack(page);
+    await expectSubagentRowVisible(page, agents.child.id);
+
+    const classifier = await test.step("a plugin starts a background agent", () =>
+      startBackgroundAgent(workspace, { parentId: agents.parent.id, title: "Classifier" }));
+    // A visible child created after the classifier reaches the app on the same stream, so once
+    // its row shows, the app has processed the classifier too.
+    const marker = await seedSubagent(workspace, {
+      parentId: agents.parent.id,
+      title: "Ordering marker",
+    });
+
+    await test.step("it stays out of the track, the tabs and the sidebar status", async () => {
+      await expectSubagentRowVisible(page, marker.id);
+      await expectSubagentRowGone(page, classifier.id);
+      await expectOnlyWorkspaceAgentTabsVisible(page, [agents.parent.id]);
+      await expectWorkspaceShownIdle(page, "Classifier workspace");
+    });
+
+    await test.step("the plugin reads its finish and archives it", async () => {
+      await finishAndArchiveAgent(workspace, classifier.id);
+      await expectOnlyWorkspaceAgentTabsVisible(page, [agents.parent.id]);
+      await expectSubagentRowGone(page, classifier.id);
+    });
+  });
+});

packages/app/e2e/browser/branch-switcher.spec.ts

@@ -1,4 +1,7 @@
+import { writeFile, unlink } from "node:fs/promises";
+import path from "node:path";
 import { expect, test, type Page } from "../support/fixtures";
+import { daemonWsRoutePattern } from "../support/helpers/daemon-port";
 import { gotoAppShell } from "../support/helpers/app";
 import {
   expectNoBranchSwitcherInWorkspaceHeader,
@@ -14,6 +17,95 @@ import {
   waitForSidebarHydration,
 } from "../support/helpers/workspace-ui";
 
+// Hold the real daemon response until the test has observed the pending UI.
+async function holdBranchSuggestions(page: Page) {
+  let requestCount = 0;
+  let release!: () => void;
+  let gate = new Promise<void>((resolve) => {
+    release = resolve;
+  });
+  await page.routeWebSocket(daemonWsRoutePattern(), (browser) => {
+    const server = browser.connectToServer();
+    browser.onMessage((message) => {
+      if (typeof message === "string") {
+        const envelope = JSON.parse(message);
+        if (envelope.type === "session" && envelope.message?.type === "branch_suggestions_request")
+          requestCount++;
+      }
+      server.send(message);
+    });
+    server.onMessage(async (message) => {
+      if (typeof message === "string") {
+        const envelope = JSON.parse(message);
+        if (
+          envelope.type === "session" &&
+          envelope.message?.type === "branch_suggestions_response"
+        ) {
+          await gate;
+        }
+      }
+      browser.send(message);
+    });
+  });
+  return {
+    release: () => release(),
+    holdNextResponse: () => {
+      gate = new Promise<void>((resolve) => {
+        release = resolve;
+      });
+    },
+    requestCount: () => requestCount,
+  };
+}
+
+async function expectInitialBranchLoading(page: Page, release: () => void): Promise<void> {
+  await page.getByRole("button", { name: "Current branch: main. Press to switch branch." }).click();
+  const picker = page.getByTestId("combobox-desktop-container");
+  await expect(picker.getByText("Loading...", { exact: true })).toBeVisible();
+  await expect(picker.getByText("No branches found.", { exact: true })).toHaveCount(0);
+  release();
+  await expect(picker.getByText("dev", { exact: true })).toBeVisible();
+  await page.keyboard.press("Escape");
+  await expect(picker).not.toBeVisible();
+}
+
+async function expectFailedRefreshRecovery(
+  page: Page,
+  repoPath: string,
+  responses: Awaited<ReturnType<typeof holdBranchSuggestions>>,
+) {
+  // Expire the actual query freshness window before reopening the cached picker.
+  const started = Date.now();
+  await expect.poll(() => Date.now() - started, { timeout: 20_000 }).toBeGreaterThan(15_000);
+  const picker = page.getByTestId("combobox-desktop-container");
+  const packedRefs = path.join(repoPath, ".git", "packed-refs");
+  await writeFile(packedRefs, "invalid packed refs\n");
+  try {
+    await page
+      .getByRole("button", { name: "Current branch: dev. Press to switch branch." })
+      .click();
+    await expect(picker.getByRole("alert")).toHaveText(
+      "Could not load branches. Reopen the picker to try again.",
+    );
+  } finally {
+    await unlink(packedRefs);
+  }
+  await expect(picker.getByText("No branches found.", { exact: true })).toHaveCount(0);
+  responses.holdNextResponse();
+  const beforeRetry = responses.requestCount();
+  await page.keyboard.press("Escape");
+  await page.getByRole("button", { name: "Current branch: dev. Press to switch branch." }).click();
+  await expect(picker.getByRole("alert")).toHaveText("Loading...");
+  await expect.poll(responses.requestCount).toBe(beforeRetry + 1);
+  await expect(picker).toBeVisible();
+  responses.release();
+  await expect(picker.getByRole("alert")).toHaveCount(0);
+  await expect(picker.getByText("main", { exact: true })).toBeVisible();
+  await page.keyboard.press("Escape");
+  await expectWorkspaceBranch(page, "dev");
+  expect(responses.requestCount()).toBe(beforeRetry + 1);
+}
+
 async function renameWorkspaceViaSidebar(
   page: Page,
   input: { workspaceId: string; title: string },
@@ -59,6 +151,7 @@ test.describe("Branch switcher", () => {
     try {
       expect(workspace.workspaceName).toBe("main");
 
+      const releaseBranches = await holdBranchSuggestions(page);
       await gotoAppShell(page);
       await waitForSidebarHydration(page);
       await switchWorkspaceViaSidebar({ page, serverId, workspaceId: workspace.workspaceId });
@@ -82,8 +175,10 @@ test.describe("Branch switcher", () => {
       // and switching it checks out the real branch on disk.
       await openChangesPanel(page);
       await expectWorkspaceBranch(page, "main");
+      await expectInitialBranchLoading(page, releaseBranches.release);
       await switchBranchFromChangesPanel(page, { from: "main", to: "dev" });
       await expectWorkspaceBranch(page, "dev");
+      await expectFailedRefreshRecovery(page, workspace.repoPath, releaseBranches);
 
       // The custom title is unaffected by the branch switch.
       await expect(headerTitle).toHaveText(customTitle, { timeout: 30_000 });

packages/app/e2e/browser/changes-pane.spec.ts

@@ -8,7 +8,11 @@ import { daemonWsRoutePattern } from "../support/helpers/daemon-port";
 import { getServerId } from "../support/helpers/server-id";
 import { connectSeedClient } from "../support/helpers/seed-client";
 import { createTempGitRepo } from "../support/helpers/workspace";
-import { openChangesPanel, waitForWorkspaceTabsVisible } from "../support/helpers/workspace-tabs";
+import {
+  openChangesPanel,
+  openChangesTreePanel,
+  waitForWorkspaceTabsVisible,
+} from "../support/helpers/workspace-tabs";
 
 interface DirtyWorkspace {
   id: string;
@@ -262,6 +266,126 @@ test.afterEach(async () => {
   }
 });
 
+test("Changes without a comparison base explains how to view pending changes", async ({ page }) => {
+  const workspace = await createWorkspaceWithManyTinyDiffs(2, "dev");
+  await openWorkspaceChangesTree(page, workspace);
+  await expect(
+    page.getByText("Comparison base is unavailable. Select Uncommitted to view pending changes."),
+  ).toBeVisible();
+  await selectChangesComparison(page, "Uncommitted");
+  await expect(changesTree(page).getByText("file-0000.ts", { exact: true })).toBeVisible();
+});
+async function openWorkspaceChangesTree(page: Page, workspace: DirtyWorkspace): Promise<void> {
+  await page.setViewportSize({ width: 1400, height: 900 });
+  await page.goto(buildHostWorkspaceRoute(getServerId(), workspace.id));
+  await waitForWorkspaceTabsVisible(page);
+  await openChangesTreePanel(page);
+}
+
+test("streamed Changes shows the tree before completion and applies a one-file refresh", async ({
+  page,
+}, testInfo) => {
+  test.setTimeout(120_000);
+  const workspace = await createLargeStreamedWorkspace();
+  await addOversizedSibling(workspace);
+  const stream = await holdDiffCompletion(page);
+  await openWorkspaceChangesSurface(page, workspace, 90_000);
+  await expectAnnouncedTreeAndLoader(page);
+  await page.screenshot({ path: testInfo.outputPath("tree-loading.png") });
+  stream.finish();
+  await expect.poll(() => stream.completed, { timeout: 60_000 }).toBeGreaterThan(0);
+  await expect(page.getByRole("progressbar", { name: "Loading..." })).toHaveCount(0);
+  const connections = stream.connections;
+  const panel = page.getByTestId("working-diff-panel").filter({ visible: true });
+  await expect(panel.getByTestId("diff-file-0")).toHaveAccessibleName("src/file-0000.ts, +90, -1");
+  await addOneLineToFirstFile(workspace);
+  await expect.poll(() => stream.changedBodies.at(-1), { timeout: 30_000 }).toBe(1);
+  await expect(panel.getByTestId("diff-file-0")).toHaveAccessibleName("src/file-0000.ts, +91, -1");
+  await expect(page.getByRole("progressbar", { name: "Loading..." })).toHaveCount(0);
+  expect(stream.connections).toBe(connections);
+  await page.screenshot({ path: testInfo.outputPath("refreshed.png") });
+});
+
+async function createLargeStreamedWorkspace(): Promise<DirtyWorkspace> {
+  const workspace = await createWorkspaceWithManyTinyDiffs(252);
+  await Promise.all(
+    Array.from({ length: 252 }, (_, file) =>
+      writeFile(
+        path.join(workspace.repoPath, `src/file-${String(file).padStart(4, "0")}.ts`),
+        Array.from(
+          { length: 90 },
+          (_unused, line) =>
+            `export const fn${line} = (param: string) => ({ key: param, value: ${file} });`,
+        ).join("\n") + "\n",
+      ),
+    ),
+  );
+  return workspace;
+}
+async function addOversizedSibling(workspace: DirtyWorkspace): Promise<void> {
+  await writeFile(path.join(workspace.repoPath, "zz-too-large.txt"), "x".repeat(1024 * 1024 + 1));
+}
+async function addOneLineToFirstFile(workspace: DirtyWorkspace): Promise<void> {
+  const file = path.join(workspace.repoPath, "src/file-0000.ts");
+  await writeFile(file, (await readFile(file, "utf8")) + "export const refreshed = true;\n");
+}
+async function holdDiffCompletion(page: Page) {
+  const { decodeDiffFrame, DiffOpcode } = await import("@getpaseo/protocol/binary-frames/index");
+  let holding = true;
+  let connections = 0;
+  let completed = 0;
+  const completions: Array<() => void> = [];
+  const changedBodies: number[] = [];
+  const bodyCounts = new Map<number, number>();
+  await page.routeWebSocket(daemonWsRoutePattern(), (browserSocket) => {
+    connections++;
+    const serverSocket = browserSocket.connectToServer();
+    browserSocket.onMessage((message) => serverSocket.send(message));
+    serverSocket.onMessage((message) => {
+      if (
+        typeof message !== "string" &&
+        message[0] >= DiffOpcode.Begin &&
+        message[0] <= DiffOpcode.End
+      ) {
+        const frame = decodeDiffFrame(message);
+        if (frame.opcode === DiffOpcode.Begin) bodyCounts.set(frame.slot, 0);
+        else if (frame.opcode === DiffOpcode.Bodies)
+          bodyCounts.set(frame.slot, (bodyCounts.get(frame.slot) ?? 0) + frame.files.length);
+        else {
+          completed++;
+          changedBodies.push(bodyCounts.get(frame.slot) ?? 0);
+        }
+      }
+      if (holding && typeof message !== "string" && message[0] === DiffOpcode.End) {
+        completions.push(() => browserSocket.send(message));
+        return;
+      }
+      browserSocket.send(message);
+    });
+  });
+  return {
+    changedBodies,
+    get connections() {
+      return connections;
+    },
+    get completed() {
+      return completed;
+    },
+    finish: () => {
+      holding = false;
+      completions.splice(0).forEach((send) => send());
+    },
+  };
+}
+async function expectWorkingDiffLoaded(page: Page, timeout: number): Promise<void> {
+  const panel = page.getByTestId("working-diff-panel").filter({ visible: true });
+  await expect(panel.getByTestId("diff-file-0")).toBeAttached({ timeout });
+}
+async function expectAnnouncedTreeAndLoader(page: Page): Promise<void> {
+  await expect(changesTree(page).first()).toBeVisible();
+  await expect(page.getByRole("progressbar", { name: "Loading..." }).first()).toBeVisible();
+}
+
 test("Changes opens All changes for a clean checkout", async ({ page }) => {
   const workspace = await createWorkspaceWithCommittedDiff();
 
@@ -323,6 +447,119 @@ test("All changes combines committed and pending edits and preserves an unfinish
   });
 });
 
+test("Changes selects exact local and remote bases and retains the selection after reload", async ({
+  page,
+}, testInfo) => {
+  const workspace = await createWorktreeWithCommittedDiff();
+  execFileSync("git", ["branch", "release"], { cwd: workspace.repoPath });
+  execFileSync("git", ["update-ref", "refs/remotes/upstream/release", "main"], {
+    cwd: workspace.repoPath,
+  });
+  const head = execFileSync("git", ["rev-parse", "HEAD"], { cwd: workspace.repoPath }).toString();
+  await openWorkspaceChangesSurface(page, workspace);
+  const tree = page.getByTestId("changes-tree-panel").filter({ visible: true });
+  const picker = tree.getByTestId("workspace-base-branch-trigger");
+  await expect(picker).toBeVisible();
+  await picker.click();
+  await expect(page.getByRole("button", { name: "release", exact: true })).toBeVisible();
+  await page.screenshot({ path: testInfo.outputPath("base-picker.png") });
+  await page.getByRole("button", { name: "release", exact: true }).click();
+  await expect(picker).toContainText("release");
+  await expect(tree.getByText("No changes to display", { exact: true })).toBeVisible();
+  await picker.click();
+  await page.getByRole("button", { name: "upstream/release", exact: true }).click();
+  await expect(picker).toContainText("upstream/release");
+  await expect(tree.getByText("committed-only.ts", { exact: true })).toBeVisible();
+  await page.screenshot({ path: testInfo.outputPath("base-selected.png") });
+  await page.reload();
+  await waitForWorkspaceTabsVisible(page);
+  await expect(picker).toContainText("upstream/release");
+  expect(execFileSync("git", ["rev-parse", "HEAD"], { cwd: workspace.repoPath }).toString()).toBe(
+    head,
+  );
+});
+
+test("Changes lets a compact workspace change its base in a sheet", async ({ page }, testInfo) => {
+  const workspace = await createWorktreeWithCommittedDiff();
+  execFileSync("git", ["branch", "release"], { cwd: workspace.repoPath });
+  await openCompactChanges(page, workspace);
+  const picker = page.getByRole("button", { name: "Change base" }).filter({ visible: true });
+  await picker.click();
+  await expect(page.getByText("Change base", { exact: true })).toBeVisible();
+  const release = page.getByRole("button", { name: "release", exact: true });
+  await expect(release).toBeVisible();
+  await page.screenshot({ path: testInfo.outputPath("compact-base-picker.png") });
+  await release.click();
+  await expect(picker).toContainText("release");
+  await page.screenshot({ path: testInfo.outputPath("compact-base-selected.png") });
+});
+
+test("Changes shows a failed base selection and lets the user retry", async ({ page }) => {
+  const workspace = await createWorktreeWithCommittedDiff();
+  execFileSync("git", ["branch", "release"], { cwd: workspace.repoPath });
+  await openWorkspaceChangesSurface(page, workspace);
+  const picker = page
+    .getByTestId("workspace-base-branch-trigger")
+    .filter({ visible: true })
+    .first();
+  await picker.click();
+  const option = page.getByRole("button", { name: "release", exact: true });
+  await expect(option).toBeVisible();
+  execFileSync("git", ["branch", "-D", "release"], { cwd: workspace.repoPath });
+  await option.click();
+  await expect(page.getByTestId("workspace-base-branch-error")).toContainText(
+    "Base branch not found",
+  );
+  await expect(picker).toContainText("main");
+  execFileSync("git", ["branch", "release"], { cwd: workspace.repoPath });
+  await option.click();
+  await expect(page.getByTestId("workspace-base-branch-error")).toHaveCount(0);
+  await expect(picker).toContainText("release");
+});
+
+test("Changes shows the base as text on a host without the base-branch capability", async ({
+  page,
+}) => {
+  let baseRequests = 0;
+  await page.routeWebSocket(daemonWsRoutePattern(), (browser) => {
+    const server = browser.connectToServer();
+    browser.onMessage((frame) => {
+      if (typeof frame === "string") {
+        const envelope = JSON.parse(frame) as { message?: { type?: string } };
+        if (envelope.message?.type === "workspace.base_branch.set.request") baseRequests += 1;
+      }
+      server.send(frame);
+    });
+    server.onMessage((frame) => {
+      if (typeof frame === "string") {
+        const envelope = JSON.parse(frame) as {
+          message?: { payload?: { status?: string; features?: Record<string, unknown> } };
+        };
+        const payload = envelope.message?.payload;
+        if (payload?.status === "server_info" && payload.features) {
+          delete payload.features.workspaceBaseBranch;
+          browser.send(JSON.stringify(envelope));
+          return;
+        }
+      }
+      browser.send(frame);
+    });
+  });
+  const workspace = await createWorktreeWithCommittedDiff();
+  await openWorkspaceChangesSurface(page, workspace);
+  await expect(page.getByTestId("workspace-base-branch-trigger")).toHaveCount(0);
+  expect(baseRequests).toBe(0);
+});
+
+test("Changes shows no base on a checkout that is not a Paseo worktree", async ({ page }) => {
+  const workspace = await createWorkspaceWithCommittedDiff();
+  await openWorkspaceChangesSurface(page, workspace);
+  const header = page.getByTestId("changes-repository-header").filter({ visible: true });
+  await expect(header).toContainText("feature");
+  await expect(header).not.toContainText("main");
+  await expect(page.getByTestId("workspace-base-branch-trigger")).toHaveCount(0);
+});
+
 test("Changes keeps a manual comparison when checkout dirtiness changes", async ({ page }) => {
   const workspace = await createWorkspaceWithMountedTabDiff();
   await openWorkspaceChanges(page, workspace);
@@ -386,6 +623,35 @@ test("an empty Changes comparison links to the populated comparison", async ({ p
   await expect(panel.getByTestId("diff-file-0")).toHaveAccessibleName("committed-only.ts, +1, -0");
 });
 
+test("legacy diff hosts keep All, Committed and Uncommitted comparisons", async ({ page }) => {
+  await useLegacyDiffHost(page);
+  const workspace = await createWorkspaceWithScrollableComparisons();
+  await openWorkspaceChangesSurface(page, workspace);
+  await expect(changesTree(page).getByText("committed", { exact: true })).toBeVisible();
+  await expect(changesTree(page).getByText("uncommitted", { exact: true })).toBeVisible();
+  await selectChangesComparison(page, "Committed");
+  await expectWorkingComparisonFiles(page, "committed");
+  await selectChangesComparison(page, "Uncommitted");
+  await expectWorkingComparisonFiles(page, "uncommitted");
+});
+async function useLegacyDiffHost(page: Page): Promise<void> {
+  await page.routeWebSocket(daemonWsRoutePattern(), (browserSocket) => {
+    const serverSocket = browserSocket.connectToServer();
+    browserSocket.onMessage((message) => serverSocket.send(message));
+    serverSocket.onMessage((message) => {
+      if (typeof message === "string") {
+        const envelope = JSON.parse(message);
+        if (envelope.message?.payload?.status === "server_info") {
+          delete envelope.message.payload.features.diffSubscription;
+          browserSocket.send(JSON.stringify(envelope));
+          return;
+        }
+      }
+      browserSocket.send(message);
+    });
+  });
+}
+
 test("Changes comparison controls the working diff and tree selection focuses its file", async ({
   page,
 }) => {
@@ -928,11 +1194,11 @@ test("compact Changes keeps its actions compact and menu-only", async ({ page })
     throw new Error("Compact Changes toolbar geometry could not be measured");
   }
   expect(actionsBox.width).toBe(48);
-  expect(actionsBox.height).toBe(28);
-  expect(optionsBox.width).toBe(32);
-  expect(optionsBox.height).toBe(32);
-  expect(glyphBox.width).toBe(18);
-  expect(glyphBox.height).toBe(18);
+  expect(actionsBox.height).toBe(32);
+  expect(optionsBox.width).toBe(44);
+  expect(optionsBox.height).toBe(44);
+  expect(glyphBox.width).toBe(20);
+  expect(glyphBox.height).toBe(20);
 
   await expect(actions).not.toContainText("Commit");
   await expect(actions.locator("svg")).toHaveCount(2);
@@ -1198,11 +1464,13 @@ test("canvas diff uses the overlay scrollbar and its thumb controls vertical scr
 test("canvas headers keep a many-file diff bounded while scrolling end to end", async ({
   page,
 }) => {
-  test.setTimeout(180_000);
+  test.setTimeout(300_000);
   const workspace = await createWorkspaceWithManyTinyDiffs(2_000);
   await useUnwrappedDiffLines(page);
   await openWorkspaceChangesSurface(page, workspace, 90_000);
 
+  // Measure document bounds after delivery, independently of the cold Git read.
+  await expectWorkingDiffLoaded(page, 240_000);
   const root = page.getByTestId("git-diff-canvas-root");
   const scroller = page.getByTestId("git-diff-scroll");
   await expect(root.locator('[data-testid^="git-diff-sticky-header-"]')).toHaveCount(2);
@@ -1657,6 +1925,28 @@ async function expectRenderedAddedLine(page: Page, contents: string): Promise<vo
   }).toPass({ timeout: 15_000 });
 }
 
+async function createWorktreeWithCommittedDiff(): Promise<DirtyWorkspace> {
+  const repo = await createTempGitRepo("changes-base-worktree-", {
+    files: [{ path: "tracked.ts", content: "export const tracked = 1;\n" }],
+  });
+  const client = await connectSeedClient();
+  cleanupTasks.push({
+    run: async () => {
+      await client.close();
+      await repo.cleanup();
+    },
+  });
+  const created = await client.createWorkspace({
+    source: { kind: "worktree", cwd: repo.path, worktreeSlug: "base-picker", baseBranch: "main" },
+  });
+  if (!created.workspace) throw new Error(created.error ?? "Failed to create worktree");
+  const cwd = created.workspace.workspaceDirectory;
+  await writeFile(path.join(cwd, "committed-only.ts"), "export const committed = true;\n");
+  execFileSync("git", ["add", "committed-only.ts"], { cwd });
+  execFileSync("git", ["commit", "-m", "Add committed-only file"], { cwd });
+  return { id: created.workspace.id, repoPath: cwd };
+}
+
 async function createWorkspaceWithCommittedDiff(): Promise<DirtyWorkspace> {
   const repo = await createTempGitRepo("changes-committed-", {
     files: [{ path: "tracked.ts", content: "export const tracked = 1;\n" }],
@@ -1759,12 +2049,16 @@ async function createWorkspaceWithTwoSelectionDiffs(): Promise<DirtyWorkspace> {
   return { id: created.workspace.id, repoPath: repo.path };
 }
 
-async function createWorkspaceWithManyTinyDiffs(fileCount: number): Promise<DirtyWorkspace> {
+async function createWorkspaceWithManyTinyDiffs(
+  fileCount: number,
+  branch = "main",
+): Promise<DirtyWorkspace> {
   const files = Array.from({ length: fileCount }, (_, index) => ({
     path: `src/file-${String(index).padStart(4, "0")}.ts`,
     content: "export const value = 0;\n",
   }));
   const repo = await createTempGitRepo("changes-canvas-many-files-", { files });
+  if (branch !== "main") execFileSync("git", ["branch", "-m", branch], { cwd: repo.path });
   await Promise.all(
     files.map((file, index) =>
       writeFile(path.join(repo.path, file.path), `export const value = ${index + 1};\n`),

packages/app/e2e/browser/command-center-file-search.spec.ts

@@ -5,8 +5,10 @@ import {
   holdDirectorySuggestionResponses,
   expectOneLineTruncatedFileResult,
   expectStableCommandCenterLayout,
+  expectLayoutObservationToCatchPanelShift,
   failDirectorySuggestionRequests,
   startCommandCenterLayoutObservation,
+  shiftOutsideCommandCenter,
 } from "../support/helpers/command-center-file-search";
 import {
   scrollCommandCenterAwayFromSelection,
@@ -84,7 +86,9 @@ test("workspace file search stays geometrically stable through delayed loading a
     await expect(panel.getByTestId("command-center-file-search-loading")).toBeVisible();
     await expect(panel.getByText("Searching files...", { exact: true })).toHaveCount(0);
     await expect(panel.getByTestId("command-center-file-search-loading")).toBeHidden();
+    await shiftOutsideCommandCenter(page);
     await expectStableCommandCenterLayout(page);
+    await expectLayoutObservationToCatchPanelShift(page);
 
     await row.click();
     await expectFileTabOpen(page, FILE_PATH);

packages/app/e2e/browser/compact-git-actions-menu.spec.ts

@@ -1,6 +1,7 @@
 import { execFileSync } from "node:child_process";
 import { mkdtemp, writeFile } from "node:fs/promises";
 import path from "node:path";
+import type { Locator } from "@playwright/test";
 import { test, expect, type Page } from "../support/fixtures";
 import { getServerId } from "../support/helpers/server-id";
 import { connectSeedClient } from "../support/helpers/seed-client";
@@ -59,6 +60,14 @@ async function openCompactActionsMenu(page: Page, workspaceId: string) {
   return menu;
 }
 
+async function expectActionsInOrder(menu: Locator, labels: readonly string[]) {
+  const items = menu.getByRole("menuitem");
+  await expect(items).toHaveCount(labels.length);
+  for (const [index, label] of labels.entries()) {
+    await expect(items.nth(index).getByText(label, { exact: true })).toBeVisible();
+  }
+}
+
 test("compact git actions menu lists a promoted Pull once", async ({ page }) => {
   const repoPath = await createRemoteRepo("compact-menu-pull-");
   cleanupTasks.push(async () => {
@@ -83,12 +92,7 @@ test("compact git actions menu lists a promoted Pull once", async ({ page }) =>
   const menu = await openCompactActionsMenu(page, workspaceId);
 
   await expect(menu.getByTestId("changes-menu-pull")).toHaveCount(1);
-  await expect(menu.getByRole("menuitem")).toHaveText([
-    "Pull",
-    "Push",
-    "Pull and push",
-    "Archive workspace",
-  ]);
+  await expectActionsInOrder(menu, ["Pull", "Push", "Pull and push", "Archive workspace"]);
 });
 
 test("compact git actions menu lists a promoted Push once", async ({ page }) => {
@@ -106,10 +110,5 @@ test("compact git actions menu lists a promoted Push once", async ({ page }) =>
   const menu = await openCompactActionsMenu(page, workspaceId);
 
   await expect(menu.getByTestId("changes-menu-push")).toHaveCount(1);
-  await expect(menu.getByRole("menuitem")).toHaveText([
-    "Push",
-    "Pull",
-    "Pull and push",
-    "Archive workspace",
-  ]);
+  await expectActionsInOrder(menu, ["Push", "Pull", "Pull and push", "Archive workspace"]);
 });

packages/app/e2e/browser/compact-workspace-header.spec.ts

@@ -1,5 +1,6 @@
 import type { Page, TestInfo } from "@playwright/test";
 import { test, expect } from "../support/fixtures";
+import { pauseWorkspaceTerminalWorker } from "../support/helpers/workspace-setup";
 import { seedWorkspace } from "../support/helpers/seed-client";
 import { openAgentRoute } from "../support/helpers/mock-agent";
 import { getServerId } from "../support/helpers/server-id";
@@ -190,3 +191,49 @@ test("compact header menu runs, shows, and stops workspace scripts", async ({ pa
     await workspace.cleanup();
   }
 });
+
+async function restartScriptAcrossHeaderRemoval(page: Page, terminalId: string) {
+  await openRunningScriptPage(page, "lint");
+  const resumeWorker = await pauseWorkspaceTerminalWorker(terminalId);
+  try {
+    await menuRow(page, "Restart").click();
+    await page.setViewportSize({ width: 1280, height: 844 });
+    await expect(page.getByRole("button", { name: /Switch tabs/ })).toHaveCount(0);
+    await expect(page.getByTestId("workspace-scripts-button")).toBeVisible();
+  } finally {
+    resumeWorker();
+  }
+}
+
+async function expectScriptTerminalReplaced(
+  workspace: Awaited<ReturnType<typeof openWorkspaceWithScripts>>,
+  previousId: string,
+) {
+  await expect
+    .poll(
+      async () => {
+        const after = await workspace.client.listTerminals(undefined, undefined, {
+          workspaceId: workspace.workspaceId,
+        });
+        return after.terminals.filter((terminal) => terminal.id !== previousId).length;
+      },
+      { timeout: 15_000 },
+    )
+    .toBe(1);
+}
+
+test("pending script restart survives removal of the compact header", async ({ page }) => {
+  await page.setViewportSize({ width: 390, height: 844 });
+  const workspace = await openWorkspaceWithScripts(page);
+  try {
+    await runScriptFromScriptsPage(page, "lint");
+    const before = await workspace.client.listTerminals(undefined, undefined, {
+      workspaceId: workspace.workspaceId,
+    });
+    expect(before.terminals).toHaveLength(1);
+    await restartScriptAcrossHeaderRemoval(page, before.terminals[0]!.id);
+    await expectScriptTerminalReplaced(workspace, before.terminals[0]!.id);
+  } finally {
+    await workspace.cleanup();
+  }
+});

packages/app/e2e/browser/composer-autocomplete.spec.ts

@@ -1,5 +1,9 @@
 import { expect, test, type Page } from "../support/fixtures";
-import { composerLocator, expectComposerVisible } from "../support/helpers/composer";
+import {
+  attachFileFromMenu,
+  composerLocator,
+  expectComposerVisible,
+} from "../support/helpers/composer";
 import {
   openAgentRoute,
   seedMockAgentWorkspace,
@@ -101,7 +105,21 @@ interface PopoverFrameRecorderWindow extends Window {
   __stopComposerAutocompleteFrameRecorder?: () => void;
 }
 
-async function installListCommandsStub(page: Page): Promise<void> {
+interface ListCommandsReply {
+  commands: readonly { name: string; description: string; argumentHint: string }[];
+  error: string | null;
+}
+
+const TEST_COMMANDS_REPLY: ListCommandsReply = { commands: TEST_COMMANDS, error: null };
+
+/**
+ * Rewrites every `list_commands_response` with `reply()`. A reply that returns a promise holds
+ * the response until it settles, standing in for a slow host.
+ */
+async function installListCommandsStub(
+  page: Page,
+  reply: () => ListCommandsReply | Promise<ListCommandsReply> = () => TEST_COMMANDS_REPLY,
+): Promise<void> {
   await page.routeWebSocket(daemonWsRoutePattern(), (ws) => {
     const server = ws.connectToServer();
 
@@ -126,14 +144,20 @@ async function installListCommandsStub(page: Page): Promise<void> {
             };
           };
         };
+        const payload = parsed.message?.payload;
         if (
           parsed.type === "session" &&
           parsed.message?.type === "list_commands_response" &&
-          parsed.message.payload
+          payload
         ) {
-          parsed.message.payload.commands = TEST_COMMANDS;
-          parsed.message.payload.error = null;
-          ws.send(JSON.stringify(parsed));
+          const send = (result: ListCommandsReply) => {
+            payload.commands = result.commands;
+            payload.error = result.error;
+            ws.send(JSON.stringify(parsed));
+          };
+          const result = reply();
+          if (result instanceof Promise) void result.then(send);
+          else send(result);
           return;
         }
       } catch {
@@ -145,6 +169,17 @@ async function installListCommandsStub(page: Page): Promise<void> {
   });
 }
 
+function createHeldReply(): {
+  reply: () => Promise<ListCommandsReply>;
+  release: () => void;
+} {
+  let release = () => {};
+  const held = new Promise<ListCommandsReply>((resolve) => {
+    release = () => resolve(TEST_COMMANDS_REPLY);
+  });
+  return { reply: () => held, release };
+}
+
 async function openAppWideNewWorkspace(page: Page): Promise<void> {
   await page.getByTestId("sidebar-global-new-workspace").first().click();
   await page.waitForURL((url) => url.pathname === "/new", { timeout: 30_000 });
@@ -365,6 +400,56 @@ function expectPopoverDoesNotDisappearAfterFirstVisible(frames: PopoverFrame[]):
 }
 
 test.describe("Composer autocomplete", () => {
+  test("inserts suggested commands from assistant messages without sending", async ({ page }) => {
+    const requests = recordCommandRequestsByAgentId(page);
+    const session = await seedMockAgentWorkspace({
+      repoPrefix: "suggested-command-",
+      title: "Suggested commands",
+      initialPrompt: "Suggest `/mock` without running it",
+      featureValues: { mockAssistantResponse: "Try `/mock` or [Run mock](/mock)." },
+    });
+    try {
+      await openAgentRoute(page, session);
+      const message = page.getByTestId("assistant-message").filter({ hasText: "Run mock" });
+      await expect(message).toBeVisible();
+      await expect(page.getByTestId("user-message").getByRole("link")).toHaveCount(0);
+      await expect.poll(() => requests.length).toBe(1);
+      await attachFileFromMenu(page, {
+        name: "note.txt",
+        mimeType: "text/plain",
+        buffer: Buffer.from("attachment"),
+      });
+      await expect(page.getByTestId("composer-file-attachment-pill")).toContainText("note.txt");
+      await message.getByRole("link", { name: "/mock", exact: true }).click();
+      await expect(composerLocator(page)).toHaveValue("/mock ");
+      await expect(
+        page.getByTestId("composer-autocomplete-popover").filter({ visible: true }),
+      ).toHaveCount(0);
+      await expect(composerLocator(page)).toBeFocused();
+      await message.getByRole("link", { name: "Run mock" }).click();
+      await expect(composerLocator(page)).toHaveValue("/mock /mock ");
+      await expect(
+        page.getByTestId("composer-autocomplete-popover").filter({ visible: true }),
+      ).toHaveCount(0);
+      await expect(composerLocator(page)).toBeFocused();
+      await expect(page.getByTestId("composer-file-attachment-pill")).toContainText("note.txt");
+      await composerLocator(page).fill("draft");
+      await composerLocator(page).evaluate((element: HTMLTextAreaElement) =>
+        element.setSelectionRange(0, 0),
+      );
+      await message.getByRole("link", { name: "/mock", exact: true }).click();
+      await composerLocator(page).pressSequentially("argument");
+      await expect(composerLocator(page)).toHaveValue("draft /mock argument");
+      await composerLocator(page).fill("/");
+      await expect(
+        page.getByTestId("composer-autocomplete-popover").filter({ visible: true }),
+      ).toContainText("/mock");
+      expect(requests).toHaveLength(1);
+    } finally {
+      await session.cleanup();
+    }
+  });
+
   test("keeps New workspace off the running-agent command list before a project is chosen", async ({
     page,
   }) => {
@@ -491,16 +576,17 @@ test.describe("Composer autocomplete", () => {
       const input = composerLocator(page);
       await expect(input).toBeEditable({ timeout: 30_000 });
 
-      await input.fill("/he");
+      // `/hea` lists two commands and `/he` enough to reach the height cap, so the list grows.
+      await input.fill("/hea");
       const popover = page.getByTestId("composer-autocomplete-popover");
-      await expect(popover.getByText("/help", { exact: true }).first()).toBeVisible({
+      await expect(popover.getByText("/heapdump", { exact: true }).first()).toBeVisible({
         timeout: 30_000,
       });
       const beforeDelete = await visiblePopoverBox(page);
 
       await input.press("Backspace");
-      await expect(input).toHaveValue("/h");
-      await expect(popover.getByText("/history", { exact: true }).first()).toBeVisible({
+      await expect(input).toHaveValue("/he");
+      await expect(popover.getByText("/hello", { exact: true }).first()).toBeVisible({
         timeout: 30_000,
       });
       const afterDelete = await visiblePopoverBox(page);
@@ -679,6 +765,116 @@ test.describe("Composer autocomplete", () => {
     }
   });
 
+  test("forgets an arrow-key choice once the search changes", async ({ page }) => {
+    await installListCommandsStub(page);
+    const session = await seedMockAgentWorkspace({
+      repoPrefix: "autocomplete-stale-choice-",
+      title: "Autocomplete stale choice",
+    });
+
+    try {
+      await openAgentRoute(page, session);
+      await expectWorkspaceTabVisible(page, session.agentId);
+      const input = composerLocator(page);
+      await expect(input).toBeEditable({ timeout: 30_000 });
+      await input.fill("/");
+      const popover = page.getByTestId("composer-autocomplete-popover");
+      await expect(popover.getByText("/tdd", { exact: true }).first()).toBeVisible({
+        timeout: 30_000,
+      });
+
+      // Down wraps from the default bottom row to the top: /clear, then /exit.
+      await input.press("ArrowDown");
+      await input.press("ArrowDown");
+      await input.press("h");
+      await expect(popover.getByText("/help", { exact: true }).first()).toBeVisible();
+      await input.press("Backspace");
+      await expect(input).toHaveValue("/");
+      await input.press("Enter");
+
+      await expect(input).toHaveValue("/tdd ");
+      await expectWorkspaceTabVisible(page, session.agentId);
+    } finally {
+      await session.cleanup();
+    }
+  });
+
+  test("shows loading inside the popover until a slow host answers", async ({ page }) => {
+    const host = createHeldReply();
+    await installListCommandsStub(page, host.reply);
+    const agent = await openReadyMockAgent(page);
+
+    try {
+      const input = composerLocator(page);
+      await expect(input).toBeEditable({ timeout: 30_000 });
+      await input.fill("/");
+
+      const popover = page.getByTestId("composer-autocomplete-popover");
+      await expect(popover.getByTestId("composer-autocomplete-loading")).toBeVisible({
+        timeout: 30_000,
+      });
+      const loading = await visiblePopoverBox(page);
+
+      host.release();
+      await expect(popover.getByText("/help", { exact: true }).first()).toBeVisible({
+        timeout: 30_000,
+      });
+      await expect(popover.getByTestId("composer-autocomplete-loading")).toHaveCount(0);
+      const results = await visiblePopoverBox(page);
+
+      expect(Math.abs(results.bottom - loading.bottom)).toBeLessThanOrEqual(4);
+    } finally {
+      await agent.cleanup();
+    }
+  });
+
+  test("shows why commands failed, keeps Enter from choosing a hidden command, and retries", async ({
+    page,
+  }) => {
+    let reply: () => ListCommandsReply | Promise<ListCommandsReply> = () => ({
+      commands: [],
+      error: "Timed out waiting for the agent session",
+    });
+    await installListCommandsStub(page, () => reply());
+    const session = await seedMockAgentWorkspace({
+      repoPrefix: "autocomplete-failing-host-",
+      title: "Autocomplete failing host",
+    });
+
+    try {
+      await openAgentRoute(page, session);
+      await expectWorkspaceTabVisible(page, session.agentId);
+      const input = composerLocator(page);
+      await expect(input).toBeEditable({ timeout: 30_000 });
+      await input.fill("/");
+
+      const popover = page.getByTestId("composer-autocomplete-popover");
+      const errorRow = popover.getByTestId("composer-autocomplete-error");
+      await expect(errorRow).toContainText("Timed out waiting for the agent session", {
+        timeout: 30_000,
+      });
+
+      await input.press("Enter");
+      await page.waitForTimeout(500);
+      await expectWorkspaceTabVisible(page, session.agentId);
+
+      await input.fill("/");
+      await expect(errorRow).toBeVisible({ timeout: 30_000 });
+
+      const host = createHeldReply();
+      reply = host.reply;
+      await errorRow.getByRole("button", { name: "Retry" }).click();
+      await expect(popover.getByTestId("composer-autocomplete-loading")).toBeVisible();
+
+      host.release();
+      await expect(popover.getByText("/help", { exact: true }).first()).toBeVisible({
+        timeout: 30_000,
+      });
+    } finally {
+      await session.cleanup();
+    }
+  });
+
   test.describe("compact sidebar layering", () => {
     test.use({ viewport: { width: 390, height: 844 }, isMobile: true, hasTouch: true });
 

packages/app/e2e/browser/composer-bottom-spacing.spec.ts

@@ -0,0 +1,53 @@
+import type { Locator } from "@playwright/test";
+import { expect, test } from "../support/fixtures";
+import { gotoAppShell } from "../support/helpers/app";
+import { openAgentRoute, seedMockAgentWorkspace } from "../support/helpers/mock-agent";
+import { openNewWorkspaceComposer } from "../support/helpers/new-workspace";
+import { seedWorkspace } from "../support/helpers/seed-client";
+import { waitForSidebarHydration } from "../support/helpers/workspace-ui";
+
+async function box(locator: Locator) {
+  await expect(locator).toBeVisible({ timeout: 30_000 });
+  const rect = await locator.boundingBox();
+  expect(rect).not.toBeNull();
+  return { top: rect!.y, bottom: rect!.y + rect!.height };
+}
+
+test.describe("Composer bottom spacing", () => {
+  test("the chat composer rests one content spacing above the window edge", async ({ page }) => {
+    const agent = await seedMockAgentWorkspace({
+      repoPrefix: "composer-bottom-spacing-",
+      title: "Bottom spacing",
+    });
+    try {
+      await openAgentRoute(page, { workspaceId: agent.workspaceId, agentId: agent.agentId });
+      const surface = await box(
+        page.getByTestId("message-input-root").filter({ visible: true }).first(),
+      );
+      const viewportHeight = await page.evaluate(() => window.innerHeight);
+      expect(viewportHeight - surface.bottom).toBe(16);
+    } finally {
+      await agent.cleanup();
+    }
+  });
+
+  test("the wide new workspace form keeps one content spacing above Import session", async ({
+    page,
+  }) => {
+    const workspace = await seedWorkspace({ repoPrefix: "composer-bottom-spacing-form-" });
+    try {
+      await page.setViewportSize({ width: 1440, height: 900 });
+      await gotoAppShell(page);
+      await waitForSidebarHydration(page);
+      await openNewWorkspaceComposer(page, {
+        projectKey: workspace.projectKey,
+        projectDisplayName: workspace.projectDisplayName,
+      });
+      const composer = await box(page.locator('[data-testid="message-input-root"]:visible'));
+      const importButton = await box(page.getByTestId("new-workspace-import-session"));
+      expect(importButton.top - composer.bottom).toBe(16);
+    } finally {
+      await workspace.cleanup();
+    }
+  });
+});

packages/app/e2e/browser/composer-control-density.spec.ts

@@ -1,10 +1,17 @@
 import { test, expect } from "../support/fixtures";
 import { openWorkspaceWithAgents } from "../support/helpers/archive-tab";
+import { fillComposerDraft } from "../support/helpers/composer";
 import {
+  expectComposerToolbarOnTextRails,
   expectNoCollapsedComposerToolbarFrame,
+  expectNoFrameTruncatesModelBesideThinking,
+  readSettledModelTriggerLabels,
   recordComposerToolbarFrames,
+  recordModelTriggerFramesFromLoad,
+  sweepModelTriggerLabels,
 } from "../support/helpers/composer-control-density";
 import { clickNewChat, gotoWorkspace } from "../support/helpers/launcher";
+import { openAgentRoute, seedMockAgentWorkspace } from "../support/helpers/mock-agent";
 import { seedWorkspace, type SeededWorkspace } from "../support/helpers/seed-client";
 
 const SETTLE_MS = 1_000;
@@ -92,3 +99,159 @@ test.describe("Composer control density across tab switches", () => {
     }
   });
 });
+
+test.describe("Composer controls folding on a touch device", () => {
+  test.use({ viewport: { width: 1194, height: 834 }, isMobile: true, hasTouch: true });
+  test.describe.configure({ timeout: 180_000 });
+
+  test("an open menu stays closed after the controls fold and unfold", async ({ page }) => {
+    const session = await seedMockAgentWorkspace({
+      repoPrefix: "composer-density-fold-",
+      title: "Folding chat",
+      model: "ten-second-stream",
+    });
+    try {
+      await openAgentRoute(page, session);
+      const thinking = page.getByTestId("agent-thinking-selector").filter({ visible: true });
+      const thinkingMenu = page.getByTestId("combobox-desktop-container");
+
+      await thinking.click();
+      await expect(thinkingMenu).toBeVisible();
+
+      // Still a wide layout, but too narrow for separate controls: they fold into the model control.
+      await page.setViewportSize({ width: 640, height: 834 });
+      await expect(thinking).toHaveCount(0);
+
+      await page.setViewportSize({ width: 1194, height: 834 });
+      await expect(thinking).toBeVisible();
+      await expect(thinkingMenu).toHaveCount(0);
+    } finally {
+      await session.cleanup();
+    }
+  });
+});
+
+test.describe("Folded model control on a phone", () => {
+  // Wide enough for "Ten second stream" and "Low" side by side; narrower, they no longer fit.
+  test.use({ viewport: { width: 480, height: 844 }, isMobile: true, hasTouch: true });
+  test.describe.configure({ timeout: 180_000 });
+
+  test("hides the thinking label before the model label truncates", async ({ page }) => {
+    const session = await seedMockAgentWorkspace({
+      repoPrefix: "composer-density-labels-",
+      title: "Label priority chat",
+      model: "ten-second-stream",
+    });
+    try {
+      await recordModelTriggerFramesFromLoad(page);
+      await openAgentRoute(page, session);
+      await expect(
+        page.getByTestId("combined-model-selector-thinking-label").filter({ visible: true }),
+      ).toHaveText("Low");
+      await readSettledModelTriggerLabels(page);
+      // From the first frame on, the control never guesses: it paints both labels only once it
+      // has measured that they fit.
+      await expectNoFrameTruncatesModelBesideThinking(page);
+
+      const sweep = await sweepModelTriggerLabels(page, {
+        from: 480,
+        to: 280,
+        step: 4,
+        height: 844,
+      });
+
+      expect(sweep.widest).toMatchObject({
+        modelText: "Ten second stream",
+        thinkingShown: true,
+        modelTruncated: false,
+      });
+      expect(sweep.thinkingHidden).toMatchObject({
+        modelText: "Ten second stream",
+        modelTruncated: false,
+      });
+      expect(sweep.modelTruncated.width).toBeLessThan(sweep.thinkingHidden.width);
+      // A clean tail: the label ends on a whole word and the ellipsis, never on a space.
+      expect(sweep.modelTruncated).toMatchObject({
+        modelText: "Ten second…",
+        thinkingShown: false,
+      });
+    } finally {
+      await session.cleanup();
+    }
+  });
+});
+
+test.describe("Composer toolbar rails on touch", () => {
+  test.use({ isMobile: true, hasTouch: true });
+  test.describe.configure({ timeout: 180_000 });
+
+  for (const viewport of [
+    { device: "phone", width: 390, height: 844 },
+    { device: "tablet", width: 1024, height: 1366 },
+  ]) {
+    test(`the toolbar starts on the text rail and ends in a disc nested in the corner on a ${viewport.device}`, async ({
+      page,
+    }) => {
+      await page.setViewportSize({ width: viewport.width, height: viewport.height });
+      const idle = await seedMockAgentWorkspace({
+        repoPrefix: "composer-rails-idle-",
+        title: "Rails idle chat",
+      });
+      let running: Awaited<ReturnType<typeof seedMockAgentWorkspace>> | null = null;
+      try {
+        await openAgentRoute(page, idle);
+        await expect(page.getByTestId("message-input-root").filter({ visible: true })).toBeVisible({
+          timeout: 30_000,
+        });
+        await test.step("empty composer: attach on the left, voice mode on the right", async () => {
+          await expectComposerToolbarOnTextRails(page);
+        });
+        await test.step("draft: the send disc on the right", async () => {
+          await fillComposerDraft(page, "Refactor the composer toolbar");
+          await expect(page.getByRole("button", { name: /send/i }).first()).toBeVisible();
+          await expectComposerToolbarOnTextRails(page);
+        });
+
+        running = await seedMockAgentWorkspace({
+          repoPrefix: "composer-rails-running-",
+          title: "Rails running chat",
+          model: "one-minute-stream",
+          initialPrompt: "stream for a while",
+        });
+        await openAgentRoute(page, running);
+        await test.step("running agent: the stop disc on the right", async () => {
+          await expect(page.getByRole("button", { name: /stop agent/i }).first()).toBeVisible({
+            timeout: 30_000,
+          });
+          await expectComposerToolbarOnTextRails(page);
+        });
+      } finally {
+        await idle.cleanup();
+        await running?.cleanup();
+      }
+    });
+  }
+});
+
+test.describe("Composer trailing disc on a new chat", () => {
+  test.use({ isMobile: true, hasTouch: true, viewport: { width: 1024, height: 1366 } });
+
+  test("an empty draft holds a disabled send disc until there is something to send", async ({
+    page,
+  }) => {
+    const workspace = await seedWorkspace({ repoPrefix: "composer-placeholder-send-" });
+    try {
+      await gotoWorkspace(page, workspace.workspaceId);
+      await clickNewChat(page);
+      const send = page
+        .getByTestId("message-input-root")
+        .filter({ visible: true })
+        .getByRole("button", { name: "Send message", exact: true });
+      await expect(send).toBeDisabled({ timeout: 30_000 });
+      await fillComposerDraft(page, "Refactor the composer toolbar");
+      await expect(send).toBeEnabled();
+    } finally {
+      await workspace.cleanup();
+    }
+  });
+});

packages/app/e2e/browser/composer-diff-stat.spec.ts

@@ -1,7 +1,9 @@
-import type { Locator } from "@playwright/test";
+import type { CDPSession, Locator } from "@playwright/test";
 import { writeFile } from "node:fs/promises";
 import path from "node:path";
 import { expect, test, type Page } from "../support/fixtures";
+import { seedSubagent } from "../support/helpers/subagents";
+import { submitMessage } from "../support/helpers/composer";
 import { openAgentRoute, seedMockAgentWorkspace } from "../support/helpers/mock-agent";
 import { gateNextAgentMessage } from "../support/helpers/agent-message-gate";
 import {
@@ -18,7 +20,7 @@ function visibleMainPane(page: Page) {
 }
 
 function composerChangesPill(page: Page) {
-  return page.getByTestId("composer-diff-stat-pill");
+  return page.getByRole("button", { name: "Open Changes tab", exact: true });
 }
 
 async function revealComposerChangesInExplorer(page: Page) {
@@ -78,7 +80,8 @@ test("composer diff stat reveals Changes, then opens the diff in the configured
   const workspace = await seedChangedAgent("composer-diff-stat-side-");
 
   try {
-    await page.setViewportSize({ width: 1400, height: 900 });
+    // Keep both workspace rails visible alongside app navigation and Explorer.
+    await page.setViewportSize({ width: 1900, height: 900 });
     await openAgentRoute(page, {
       workspaceId: workspace.workspaceId,
       agentId: workspace.agentId,
@@ -498,6 +501,7 @@ test.describe("send review feedback", () => {
   test("only open tabs in this workspace appear in compact and wide recipient menus", async ({
     page,
   }) => {
+    test.setTimeout(120000);
     const workspace = await seedChangedAgent("review-feedback-multiple-");
     const other = await seedChangedAgent("review-feedback-other-");
     try {
@@ -858,3 +862,91 @@ async function expectReviewEditorBody(page: Page, body: string) {
     body,
   );
 }
+
+async function swipeComposerTracks(page: Page, client: CDPSession, direction: "left" | "right") {
+  const track = page.getByTestId("composer-track-scroll");
+  const box = await track.boundingBox();
+  if (!box) throw new Error("Composer tracks are not visible");
+  const start = direction === "left" ? box.x + box.width - 5 : box.x + 5;
+  const end = direction === "left" ? box.x + 5 : box.x + box.width - 5;
+  await swipeTouch(client, start, end, box.y + box.height / 2);
+}
+
+async function swipeTouch(client: CDPSession, start: number, end: number, y: number) {
+  await client.send("Input.dispatchTouchEvent", {
+    type: "touchStart",
+    touchPoints: [{ x: start, y }],
+  });
+  for (let step = 1; step <= 8; step++) {
+    await client.send("Input.dispatchTouchEvent", {
+      type: "touchMove",
+      touchPoints: [{ x: start + ((end - start) * step) / 8, y }],
+    });
+  }
+  await client.send("Input.dispatchTouchEvent", { type: "touchEnd", touchPoints: [] });
+}
+
+async function trackScrollOffset(track: Locator): Promise<number> {
+  return track.evaluate((node) => node.scrollLeft);
+}
+
+test.describe("touch composer tracks", () => {
+  test.use({ hasTouch: true, isMobile: true });
+  test("compact composer scrolls its task, subagent and changes tracks without squeezing them", async ({
+    page,
+  }) => {
+    const workspace = await seedChangedAgent("composer-tracks-overflow-");
+    const touch = await page.context().newCDPSession(page);
+    try {
+      await seedSubagent(
+        { client: workspace.client, repoPath: workspace.cwd, workspaceId: workspace.workspaceId },
+        { parentId: workspace.agentId, title: "Track child" },
+      );
+      await page.setViewportSize({ width: 1000, height: 844 });
+      await openAgentRoute(page, {
+        workspaceId: workspace.workspaceId,
+        agentId: workspace.agentId,
+      });
+      await submitMessage(page, "emit 1 agent stream updates");
+      const tasks = page.getByTestId("agent-task-list-header");
+      const subagents = page.getByTestId("subagents-track-header");
+      const changes = page.getByTestId("composer-diff-stat-pill");
+      await expect(tasks).toBeVisible();
+      await expect(subagents).toBeVisible();
+      await expect(changes).toBeVisible();
+      const wideWidths = await Promise.all(
+        [tasks, subagents, changes].map(async (pill) => (await pill.boundingBox())!.width),
+      );
+      await page.setViewportSize({ width: 200, height: 844 });
+      const narrowWidths = await Promise.all(
+        [tasks, subagents, changes].map(async (pill) => (await pill.boundingBox())!.width),
+      );
+      for (const [index, width] of wideWidths.entries())
+        expect(narrowWidths[index]).toBeGreaterThanOrEqual(width - 1);
+      const track = page.getByTestId("composer-track-scroll");
+      expect(await track.evaluate((node) => node.scrollWidth)).toBeGreaterThan(
+        await track.evaluate((node) => node.clientWidth),
+      );
+      await swipeComposerTracks(page, touch, "left");
+      await expect.poll(() => trackScrollOffset(track)).toBeGreaterThan(0);
+      await swipeComposerTracks(page, touch, "right");
+      await expect.poll(() => trackScrollOffset(track)).toBeLessThanOrEqual(1);
+      await swipeComposerTracks(page, touch, "left");
+      await expect.poll(() => trackScrollOffset(track)).toBeGreaterThan(0);
+      await expect(page.getByTestId("sidebar-sessions")).not.toBeInViewport();
+      await expect(page.getByTestId("workspace-explorer-sidebar")).not.toBeInViewport();
+      await page.getByRole("button", { name: "Open menu" }).click();
+      await expect(page.getByTestId("sidebar-sessions")).toBeInViewport({ ratio: 1 });
+      await page.getByTestId("sidebar-close").click();
+      await expect(page.getByTestId("sidebar-sessions")).not.toBeInViewport();
+      await expect(changes).toBeInViewport();
+      await changes.click();
+      await expect(
+        page.getByTestId("changes-header").filter({ visible: true }).first(),
+      ).toBeVisible();
+    } finally {
+      await touch.detach();
+      await workspace.cleanup();
+    }
+  });
+});

packages/app/e2e/browser/composer-focus.spec.ts

@@ -1,5 +1,11 @@
 import { expect, test, type Page } from "../support/fixtures";
 import {
+  pasteRichTextIntoComposer,
+  fillComposerDraft,
+  copyLatestTurnIntoComposer,
+  selectComposerDraftRange,
+  undoComposerEdit,
+  redoComposerEdit,
   blurComposerInput,
   roundTripComposerTabBeforePaint,
   composerLocator,
@@ -13,6 +19,7 @@ import {
   expectWorkspaceHeaderVisible,
   resizeComposerViewport,
   submitMessage,
+  submitMessageWithButton,
   typeIntoFocusedComposer,
 } from "../support/helpers/composer";
 import { openAgentRoute, seedMockAgentWorkspace } from "../support/helpers/mock-agent";
@@ -25,9 +32,10 @@ import {
   expectMobileAgentSidebarVisible,
   expectMobileExplorerHidden,
   expectMobileExplorerVisible,
-  swipeOpenMobileAgentSidebar,
+  openMobileAgentSidebarWithKeyboard,
   swipeOpenMobileExplorer,
 } from "../support/helpers/sidebar";
+import { installDaemonWebSocketGate } from "../support/helpers/daemon-websocket-gate";
 import { readScrollMetrics } from "../support/helpers/agent-bottom-anchor";
 import {
   expectTimelinePromptPositionPreserved,
@@ -55,7 +63,9 @@ test("clicking chat text or background focuses the feed for keyboard paging", as
     await expect
       .poll(async () => (await readScrollMetrics(page)).offsetY)
       .toBeLessThan(beforePaging.offsetY - beforePaging.viewportHeight / 2);
-    await page.screenshot({ path: testInfo.outputPath("chat-keyboard-paging.png") });
+    await page.screenshot({
+      path: testInfo.outputPath("chat-keyboard-paging.png"),
+    });
     await page.keyboard.press("PageDown");
     await expect
       .poll(async () => (await readScrollMetrics(page)).distanceFromBottom)
@@ -124,20 +134,86 @@ test("focusing the feed preserves assistant text selection and code copy control
 });
 
 test("submitting a message leaves the composer ready for the next message", async ({ page }) => {
+  const copiedTable =
+    "| Resource | Status |\n| --- | --- |\n| [Unicode](https://example.com/日本語) | ~~closed~~ |\n| [Space](<https://example.com/a b>) | **open** |\n| [ASCII](https://example.com/1) | closed |";
   const agent = await seedMockAgentWorkspace({
     repoPrefix: "composer-focus-",
     title: "Composer focus",
+    featureValues: { mockAssistantResponse: copiedTable },
   });
 
+  const connection = await installDaemonWebSocketGate(page);
   try {
     await openAgentRoute(page, agent);
     await expectComposerVisible(page);
 
+    await submitMessageWithButton(page, "Pointer submission");
+    await expectComposerDraft(page, "");
+    await expectComposerFocused(page);
+    await typeIntoFocusedComposer(page, "Ready after Send");
+    await expectComposerDraft(page, "Ready after Send");
+    await agent.client.waitForFinish(agent.agentId, 15_000);
+    await expectComposerFocused(page);
+
     await submitMessage(page, "First message");
     await expectComposerFocused(page);
 
-    await typeIntoFocusedComposer(page, "Second message");
-    await expectComposerDraft(page, "Second message");
+    await typeIntoFocusedComposer(page, "Investigate: replace this. Thanks");
+    await selectComposerDraftRange(page, 13, 25);
+    await pasteRichTextIntoComposer({
+      page,
+      html: '<a href="https://example.com/issues/39150">this FR</a>',
+      text: "this FR",
+    });
+    await expectComposerDraft(
+      page,
+      "Investigate: [this FR](https://example.com/issues/39150). Thanks",
+    );
+    await undoComposerEdit(page);
+    await expectComposerDraft(page, "Investigate: replace this. Thanks");
+    await redoComposerEdit(page);
+    await expectComposerDraft(
+      page,
+      "Investigate: [this FR](https://example.com/issues/39150). Thanks",
+    );
+    await typeIntoFocusedComposer(page, " next");
+    await expectComposerDraft(
+      page,
+      "Investigate: [this FR](https://example.com/issues/39150) next. Thanks",
+    );
+    await agent.client.waitForFinish(agent.agentId, 15_000);
+    await expect(page.getByRole("button", { name: "Copy turn", exact: true }).last()).toBeVisible();
+    await connection.drop();
+    await connection.waitForBlockedConnection();
+    await pasteRichTextIntoComposer({
+      page,
+      html: '<a href="https://example.com/offline">offline link</a>',
+      text: "offline link",
+    });
+    await expectComposerDraft(
+      page,
+      "Investigate: [this FR](https://example.com/issues/39150) next[offline link](https://example.com/offline). Thanks",
+    );
+    await fillComposerDraft(page, "");
+    await pasteRichTextIntoComposer({
+      page,
+      html: '<table><thead><tr><th>Resource</th><th>Status</th></tr></thead><tbody><tr><td><a href="https://example.com/issue">Issue</a></td><td>closed</td></tr></tbody></table>',
+      text: "Resource\tStatus\nIssue\tclosed",
+    });
+    await expectComposerDraft(
+      page,
+      "| Resource | Status |\n| --- | --- |\n| [Issue](https://example.com/issue) | closed |",
+    );
+    await fillComposerDraft(page, "");
+    await pasteRichTextIntoComposer({
+      page,
+      html: '<a href="https://example.com/">Issue</a><table></table>',
+      text: "Issue",
+    });
+    await expectComposerDraft(page, "[Issue](https://example.com/)");
+    await copyLatestTurnIntoComposer(page);
+    await expectComposerDraft(page, copiedTable);
+    await expectComposerFocused(page);
   } finally {
     await agent.cleanup();
   }
@@ -168,7 +244,11 @@ async function waitForAnimationFrames(page: Page, count: number): Promise<void>
 test.describe("touch screen wide enough for the desktop layout", () => {
   // A tablet or an unfolded foldable gets the desktop layout, but focusing the
   // composer there raises the on-screen keyboard over the conversation.
-  test.use({ viewport: { width: 1024, height: 768 }, isMobile: true, hasTouch: true });
+  test.use({
+    viewport: { width: 1024, height: 768 },
+    isMobile: true,
+    hasTouch: true,
+  });
 
   test("remounting an inline composer does not restore focus on touch", async ({ page }) => {
     const agent = await seedMockAgentWorkspace({
@@ -192,7 +272,9 @@ test.describe("touch screen wide enough for the desktop layout", () => {
   test("returning to an inactive inline composer does not restore focus on touch", async ({
     page,
   }) => {
-    const workspace = await seedWorkspace({ repoPrefix: "composer-touch-retained-" });
+    const workspace = await seedWorkspace({
+      repoPrefix: "composer-touch-retained-",
+    });
     try {
       const first = await createMockIdleAgent(workspace.client, {
         cwd: workspace.repoPath,
@@ -240,6 +322,9 @@ test.describe("touch screen wide enough for the desktop layout", () => {
       // Autofocus makes its first attempt on the next animation frame.
       await waitForAnimationFrames(page, 4);
       await expectComposerNotFocused(page);
+      await submitMessageWithButton(page, "Touch submission");
+      await expectComposerDraft(page, "");
+      await expectComposerNotFocused(page);
     } finally {
       await agent.cleanup();
     }
@@ -249,7 +334,7 @@ test.describe("touch screen wide enough for the desktop layout", () => {
 const COMPACT_PANELS = [
   {
     name: "agent list",
-    open: swipeOpenMobileAgentSidebar,
+    open: openMobileAgentSidebarWithKeyboard,
     expectOpen: expectMobileAgentSidebarVisible,
     close: closeMobileAgentSidebar,
     expectClosed: expectMobileAgentSidebarHidden,

packages/app/e2e/browser/composer-recall.spec.ts

@@ -3,7 +3,7 @@ import {
   composerLocator,
   expectComposerDraft,
   expectComposerVisible,
-  submitMessage,
+  fillComposerDraft,
   typeIntoFocusedComposer,
 } from "../support/helpers/composer";
 import { openAgentRoute, seedMockAgentWorkspace } from "../support/helpers/mock-agent";
@@ -12,8 +12,14 @@ function userMessages(page: Page) {
   return page.getByTestId("user-message");
 }
 
+async function sendDraftWhenReady(page: Page) {
+  await expect(page.getByRole("button", { name: "Send message", exact: true })).toBeEnabled();
+  await pressInComposer(page, "Enter");
+}
+
 async function sendAndWaitForMessage(page: Page, text: string, expectedCount: number) {
-  await submitMessage(page, text);
+  await fillComposerDraft(page, text);
+  await sendDraftWhenReady(page);
   await expect(userMessages(page)).toHaveCount(expectedCount, { timeout: 30_000 });
   await expectComposerDraft(page, "");
 }
@@ -49,7 +55,7 @@ test.describe("Composer recall", () => {
       await pressInComposer(page, "ArrowUp");
       await expectComposerDraft(page, "add tests for login");
 
-      await pressInComposer(page, "Enter");
+      await sendDraftWhenReady(page);
       await expect(userMessages(page)).toHaveCount(3, { timeout: 30_000 });
       await expect(userMessages(page).last()).toContainText("add tests for login");
     } finally {

packages/app/e2e/browser/composer-whitespace.spec.ts

@@ -37,7 +37,7 @@ import {
   closeMobileAgentSidebar,
   expectMobileAgentSidebarHidden,
   expectMobileAgentSidebarVisible,
-  swipeOpenMobileAgentSidebar,
+  openMobileAgentSidebarWithKeyboard,
 } from "../support/helpers/sidebar";
 
 async function composerHeight(page: Page): Promise<number> {
@@ -541,8 +541,8 @@ test("the compact sidebar over a fullscreen editor leaves the exit action alone"
     await writeCompactDraft(page, draft);
     await enterComposerFullscreen(page);
     await expectWorkspaceHeaderHidden(page);
-    // Fullscreen hides the header's menu button; the edge swipe still opens the list over it.
-    await swipeOpenMobileAgentSidebar(page);
+    // Fullscreen hides the header's menu button; the keyboard shortcut opens the list over it.
+    await openMobileAgentSidebarWithKeyboard(page);
     await expectMobileAgentSidebarVisible(page);
     // The list covers the pane, so the editor's exit action is not armed.
     await page.keyboard.press("Escape");

packages/app/e2e/browser/context-window-meter.spec.ts

@@ -429,6 +429,32 @@ test("context details support keyboard entry and dismiss when the viewport moves
   await expect(details).toHaveCount(0);
 });
 
+test("context details stay open while the chat streams", async ({ page }) => {
+  test.setTimeout(120_000);
+  await page.setViewportSize(DESKTOP);
+  const session = await seedMockAgentWorkspace({
+    repoPrefix: "context-window-streaming-",
+    title: "Context details while streaming",
+    model: "ten-second-stream",
+  });
+  try {
+    await openAgentRoute(page, session);
+    await expectComposerVisible(page);
+    await submitMessageWithButton(page, "Stream while the context details are open.");
+    const stop = page.getByRole("button", { name: /stop|cancel/i }).first();
+    await expect(stop).toBeVisible();
+    const details = await pressContextWindowMeter(page, /^Context window/);
+    await expect(stop).toBeVisible();
+    await qaScreenshot(page, "context-details-while-streaming");
+
+    await expect(stop).toHaveCount(0, { timeout: 30_000 });
+    await expect(details).toBeVisible();
+    await qaScreenshot(page, "context-details-after-streaming");
+  } finally {
+    await session.cleanup();
+  }
+});
+
 test("pointer hovering context details preserves composer focus", async ({ page, agent }) => {
   const usage = await scriptAgentUsage(page);
   await page.setViewportSize(DESKTOP);

packages/app/e2e/browser/daemon-lifecycle.spec.ts

@@ -1,8 +1,9 @@
 import { randomUUID } from "node:crypto";
-import { mkdtemp, writeFile } from "node:fs/promises";
+import { mkdtemp, writeFile, rm } from "node:fs/promises";
+import { existsSync } from "node:fs";
 import { tmpdir } from "node:os";
 import path from "node:path";
-import { expect, test } from "../support/fixtures";
+import { expect, test, daemonTest as cleanupTest } from "../support/fixtures";
 import { startIsolatedHostDaemon } from "../support/helpers/isolated-host-daemon";
 import {
   openDaemonOverview,
@@ -13,6 +14,10 @@ import {
   readWorkerPid,
   openLongLivedTerminal,
   listTerminalIds,
+  suspendDaemonProcess,
+  resumeDaemonProcess,
+  daemonProcessCanWrite,
+  readTerminalProcessIds,
 } from "../support/helpers/daemon-lifecycle";
 
 test("settings restart waits for a replacement worker while retaining the supervisor", async ({
@@ -119,3 +124,51 @@ async function createHomeWithSlowProvider(versionDelayMs: number): Promise<strin
   );
   return paseoHome;
 }
+
+// Cleanup has no renderer demand: drive the same isolated daemon owner directly.
+// A stopped worker deterministically outlives the old helper's five-second
+// supervisor-only kill and logs into its deleted home when resumed.
+cleanupTest(
+  "isolated cleanup prevents a stopped worker from recreating its deleted home",
+  async () => {
+    cleanupTest.skip(process.platform === "win32", "POSIX stopped-process failure injection");
+    const daemon = await startIsolatedHostDaemon(randomUUID());
+    const workerPid = await readWorkerPid(daemon);
+    try {
+      suspendDaemonProcess(workerPid);
+      await daemon.close();
+      resumeDaemonProcess(workerPid);
+      await expect.poll(() => daemonProcessCanWrite(workerPid)).toBe(false);
+      expect(existsSync(daemon.paseoHome)).toBe(false);
+    } finally {
+      resumeDaemonProcess(workerPid);
+      await daemon.close();
+      await rm(daemon.paseoHome, { recursive: true, force: true });
+    }
+  },
+);
+
+cleanupTest(
+  "isolated cleanup force-stops a frozen supervisor and its detached terminal writers",
+  async () => {
+    cleanupTest.skip(process.platform === "win32", "POSIX stopped-process failure injection");
+    const daemon = await startIsolatedHostDaemon(randomUUID());
+    const supervisorPid = daemon.getPid()!;
+    const workerPid = await readWorkerPid(daemon);
+    try {
+      await openLongLivedTerminal(daemon);
+      const terminalProcesses = await readTerminalProcessIds(daemon);
+      expect(terminalProcesses.length).toBeGreaterThanOrEqual(2);
+      suspendDaemonProcess(supervisorPid);
+      await daemon.close();
+      const writerStates = await Promise.all(
+        [supervisorPid, workerPid, ...terminalProcesses].map(daemonProcessCanWrite),
+      );
+      expect(writerStates).toEqual(Array(terminalProcesses.length + 2).fill(false));
+      expect(existsSync(daemon.paseoHome)).toBe(false);
+    } finally {
+      resumeDaemonProcess(supervisorPid);
+      await daemon.close();
+    }
+  },
+);

packages/app/e2e/browser/direct-terminal-shortcut-pane-placement.spec.ts

@@ -1,3 +1,5 @@
+import { installLocalDesktopHost } from "../support/helpers/local-desktop-host";
+import type { Locator, Page } from "@playwright/test";
 import { expect, test } from "../support/fixtures";
 import { runWorkspaceActionFromCommandCenter } from "../support/helpers/command-center-workspace-actions";
 import {
@@ -9,6 +11,7 @@ import { seedWorkspace } from "../support/helpers/seed-client";
 import { waitForWorkspaceTabsVisible } from "../support/helpers/workspace-tabs";
 
 test.describe("Direct terminal shortcut pane placement", () => {
+  test.use({ viewport: { width: 1600, height: 900 } });
   test("opens a terminal in the focused pane", async ({ page }) => {
     const workspace = await seedWorkspace({ repoPrefix: "direct-terminal-shortcut-pane-" });
 
@@ -47,3 +50,88 @@ test.describe("Direct terminal shortcut pane placement", () => {
     }
   });
 });
+
+async function prepareUnfocusedCompactPane(page: Page, workspaceId: string) {
+  await page.setViewportSize({ width: 1600, height: 900 });
+  await gotoWorkspace(page, workspaceId);
+  await waitForWorkspaceTabsVisible(page);
+  await clickNewChat(page);
+  await runWorkspaceActionFromCommandCenter(page, "Split pane right");
+  const draftPane = page
+    .locator('[data-testid^="workspace-pane-"]')
+    .filter({ has: page.getByTestId("message-input-root") });
+  const emptyPane = page
+    .locator('[data-testid^="workspace-pane-"]')
+    .filter({ has: page.getByTestId("workspace-new-tab-panel") });
+  const draftPaneId = await draftPane.getAttribute("data-testid");
+  const emptyPaneId = await emptyPane.getAttribute("data-testid");
+  expect(draftPaneId).not.toBeNull();
+  expect(emptyPaneId).not.toBeNull();
+  await page.setViewportSize({ width: 760, height: 900 });
+  return {
+    originalPane: page.getByTestId(draftPaneId!),
+    otherPane: page.getByTestId(emptyPaneId!),
+  };
+}
+
+async function launchTerminalFromCompactPane(page: Page, pane: Locator) {
+  await pane.getByTestId("workspace-tab-switcher-trigger").click();
+  await page.getByTestId("workspace-tab-switcher-new-terminal").click();
+  await expect(pane.getByTestId("terminal-surface")).toBeVisible({ timeout: 30_000 });
+}
+
+async function maximizeAndRestoreCompactPane(page: Page, pane: Locator) {
+  await pane.getByTestId("workspace-header-menu-trigger").click();
+  await expect(page.getByRole("menuitem", { name: "Split pane right", exact: true })).toBeVisible();
+  await page.getByRole("menuitem", { name: "Maximize pane", exact: true }).click();
+  await pane.getByTestId("workspace-header-menu-trigger").click();
+  await page.getByRole("menuitem", { name: "Restore pane", exact: true }).click();
+}
+
+test("compact pane launch stays in its owning pane and pane controls remain reachable", async ({
+  page,
+}) => {
+  const workspace = await seedWorkspace({ repoPrefix: "compact-pane-launch-" });
+  try {
+    const { originalPane, otherPane } = await prepareUnfocusedCompactPane(
+      page,
+      workspace.workspaceId,
+    );
+    await launchTerminalFromCompactPane(page, originalPane);
+    await expect(otherPane.getByTestId("workspace-new-tab-panel")).toBeVisible();
+    await maximizeAndRestoreCompactPane(page, originalPane);
+    await expect(otherPane).toBeVisible();
+  } finally {
+    await workspace.cleanup();
+  }
+});
+
+async function expectPaneHasWindowDragSurface(pane: Locator) {
+  await expect
+    .poll(() =>
+      pane.evaluate((element) =>
+        Array.from(element.querySelectorAll<HTMLElement>("div")).some(
+          (node) => node.style.getPropertyValue("-webkit-app-region") === "drag",
+        ),
+      ),
+    )
+    .toBe(true);
+}
+
+test("compact desktop panes retain window dragging with both sidebars closed", async ({ page }) => {
+  const workspace = await seedWorkspace({ repoPrefix: "compact-pane-window-drag-" });
+  try {
+    await installLocalDesktopHost(page, workspace.repoPath);
+    const { originalPane, otherPane } = await prepareUnfocusedCompactPane(
+      page,
+      workspace.workspaceId,
+    );
+    await runWorkspaceActionFromCommandCenter(page, "Toggle left sidebar");
+    await expect(originalPane.getByTestId("workspace-tab-switcher-trigger")).toBeVisible();
+    await expect(otherPane.getByTestId("workspace-tab-switcher-trigger")).toBeVisible();
+    await expectPaneHasWindowDragSurface(originalPane);
+    await expectPaneHasWindowDragSurface(otherPane);
+  } finally {
+    await workspace.cleanup();
+  }
+});

packages/app/e2e/browser/empty-pane-keyboard.spec.ts

@@ -56,9 +56,9 @@ test.describe("New tab keyboard launcher", () => {
       await expectLauncherSelection(launcher, "Diff");
       await page.keyboard.press("Enter");
 
-      await expect(
-        page.getByTestId("workspace-tab-working_diff").filter({ visible: true }),
-      ).toBeVisible({ timeout: 30_000 });
+      await expect(page.getByTestId("working-diff-panel").filter({ visible: true })).toBeVisible({
+        timeout: 30_000,
+      });
     } finally {
       await workspace.cleanup();
     }

packages/app/e2e/browser/explorer-pane-placement.spec.ts

@@ -105,6 +105,9 @@ function collectConsoleErrors(page: Page): string[] {
   return errors;
 }
 
+// These drag and tab-menu journeys need full rails beside the docked Explorer.
+test.use({ viewport: { width: 1900, height: 900 } });
+
 test.describe("explorer pane tab placement", () => {
   test("agents open in the main pane and New-tab splits keep the app usable", async ({
     page,

packages/app/e2e/browser/explorer-resize-performance.spec.ts

@@ -79,6 +79,12 @@ async function previewExplorerResize(page: Page, distance: number) {
   return { ...measurement, width: after };
 }
 
+async function expectCleanChangesLoaded(page: Page): Promise<void> {
+  await expect(
+    page.getByTestId("changes-tree-panel").getByText("No changes to display", { exact: true }),
+  ).toBeVisible();
+}
+
 async function expectExplorerWidthSurvivesReload(page: Page, width: number): Promise<void> {
   await page.reload();
   const explorer = page.getByTestId("workspace-explorer-sidebar");
@@ -100,6 +106,7 @@ test("Explorer drag previews without rerendering panes or rewriting the shared s
   await runWorkspaceActionFromCommandCenter(page, "Split pane right");
   await page.getByTestId("workspace-explorer-toggle").first().click();
   await expect(page.getByTestId("workspace-explorer-sidebar")).toBeVisible();
+  await expectCleanChangesLoaded(page);
   // Verify that direct pane renders are being counted before resetting them.
   expect(
     await page.evaluate(() =>

packages/app/e2e/browser/file-editing.spec.ts

@@ -63,6 +63,24 @@ function htmlPreview(page: Page) {
   };
 }
 
+async function followHtmlPreviewLink(page: Page, name: string): Promise<void> {
+  await htmlPreview(page).document.getByRole("link", { name, exact: true }).click();
+}
+
+async function expectPageHandlesFragment(
+  page: Page,
+  handler: "Document" | "Window",
+): Promise<void> {
+  const preview = htmlPreview(page);
+  await followHtmlPreviewLink(page, `${handler} handled jump`);
+  await expect(preview.document.getByRole("status")).toHaveText(`${handler} handled click`);
+  await expect(
+    preview.document.getByRole("heading", { name: "Target section" }),
+  ).not.toBeInViewport();
+  expect(await preview.document.locator("body").evaluate(() => location.hash)).toBe("");
+  expect(await preview.document.locator("body").evaluate(() => window.scrollY)).toBe(0);
+}
+
 async function selectFileView(page: Page, view: "Preview" | "Source"): Promise<void> {
   const option = page.getByTestId("file-panel-bar").getByRole("button", {
     name: view,
@@ -417,7 +435,8 @@ test.describe("CodeMirror workspace file editing", () => {
     });
 
     try {
-      await page.setViewportSize({ width: 1280, height: 900 });
+      // Keep both tab rails available alongside the docked Explorer.
+      await page.setViewportSize({ width: 1900, height: 900 });
       await openAgentRoute(page, session);
 
       await openWorkspaceFile(page, "target.ts");
@@ -826,6 +845,192 @@ test.describe("CodeMirror workspace file editing", () => {
     await expect(preview.host).toBeVisible();
   });
 
+  test("keeps HTML fragment links in the preview and scrolls to the target", async ({
+    page,
+    withWorkspace,
+  }) => {
+    const workspace = await withWorkspace({ prefix: "html-fragments-" });
+    await writeFile(
+      path.join(workspace.repoPath, "fragments.html"),
+      `<!doctype html><html><body>
+<a href="#section">Jump to section</a>
+<div style="height: 1200px"></div>
+<h2 id="section">Target section</h2>
+</body></html>`,
+      "utf8",
+    );
+    await workspace.navigateTo();
+    await openWorkspaceFile(page, "fragments.html");
+
+    const preview = htmlPreview(page);
+    await expect(preview.document.getByRole("link", { name: "Jump to section" })).toBeVisible();
+    await page.screenshot({ path: test.info().outputPath("fragment-before-click.png") });
+    await preview.document.getByRole("link", { name: "Jump to section" }).click();
+
+    await expect(
+      preview.document.getByRole("heading", { name: "Target section" }),
+    ).toBeInViewport();
+    expect(await preview.document.locator("body").evaluate(() => location.hash)).toBe("#section");
+    expect(await preview.document.locator("body").evaluate(() => window.scrollY)).toBeGreaterThan(
+      0,
+    );
+    await page.screenshot({ path: test.info().outputPath("fragment-after-click.png") });
+  });
+
+  test("lets an HTML page prevent fragment navigation", async ({ page, withWorkspace }) => {
+    const workspace = await withWorkspace({ prefix: "html-fragment-handler-" });
+    await writeFile(
+      path.join(workspace.repoPath, "handled.html"),
+      `<!doctype html><html><body>
+<a href="#section" onclick="event.preventDefault(); document.querySelector('output').textContent = 'Page handled click'">Handled jump</a>
+<output>Waiting for click</output>
+<div style="height: 1200px"></div><h2 id="section">Target section</h2>
+</body></html>`,
+      "utf8",
+    );
+    await workspace.navigateTo();
+    await openWorkspaceFile(page, "handled.html");
+
+    const preview = htmlPreview(page);
+    await preview.document.getByRole("link", { name: "Handled jump" }).click();
+    await expect(preview.document.locator("output")).toHaveText("Page handled click");
+    await expect(
+      preview.document.getByRole("heading", { name: "Target section" }),
+    ).not.toBeInViewport();
+    expect(await preview.document.locator("body").evaluate(() => location.hash)).toBe("");
+    expect(await preview.document.locator("body").evaluate(() => window.scrollY)).toBe(0);
+  });
+
+  test("respects delegated HTML fragment handlers and normal URL parsing", async ({
+    page,
+    withWorkspace,
+  }) => {
+    const workspace = await withWorkspace({ prefix: "html-fragment-defaults-" });
+    await writeFile(
+      path.join(workspace.repoPath, "defaults.html"),
+      `<!doctype html><html><body>
+<nav style="position: fixed; top: 0; background: white">
+<a href="#section" id="document-handler">Document handled jump</a>
+<a href="#section" id="window-handler">Window handled jump</a>
+<a href=" \t#section\n">Whitespace jump</a>
+<a href="#100%">Percent jump</a>
+<output>Waiting for click</output>
+</nav>
+<div style="height: 1200px"></div><h2 id="section">Target section</h2>
+<div style="height: 1200px"></div><h2 id="100%">Percent target</h2>
+<div style="height: 1200px"></div>
+<script>
+document.addEventListener('click', function(event) {
+  if (event.target.id === 'document-handler') {
+    event.preventDefault(); document.querySelector('output').textContent = 'Document handled click';
+  }
+});
+window.addEventListener('click', function(event) {
+  if (event.target.id === 'window-handler') {
+    event.preventDefault(); document.querySelector('output').textContent = 'Window handled click';
+  }
+});
+</script></body></html>`,
+      "utf8",
+    );
+    await workspace.navigateTo();
+    await openWorkspaceFile(page, "defaults.html");
+
+    const preview = htmlPreview(page);
+    await expectPageHandlesFragment(page, "Document");
+    await expectPageHandlesFragment(page, "Window");
+
+    await followHtmlPreviewLink(page, "Whitespace jump");
+    await expect(
+      preview.document.getByRole("heading", { name: "Target section" }),
+    ).toBeInViewport();
+    await followHtmlPreviewLink(page, "Percent jump");
+    await expect(
+      preview.document.getByRole("heading", { name: "Percent target" }),
+    ).toBeInViewport();
+  });
+
+  test("handles HTML fragment targets, empty and missing fragments, and modified clicks", async ({
+    page,
+    withWorkspace,
+  }) => {
+    const workspace = await withWorkspace({ prefix: "html-fragment-targets-" });
+    await writeFile(
+      path.join(workspace.repoPath, "targets.html"),
+      `<!doctype html><html><head><style>:target { color: rgb(255, 0, 0); }</style></head><body>
+<nav style="position: fixed; top: 0; background: white">
+<a href="#section"><span>Nested jump</span></a>
+<a href="#legacy">Named jump</a>
+<a href="#encoded%20section">Encoded jump</a>
+<a href="#missing">Missing jump</a>
+<a href="#">Empty jump</a>
+<output>Waiting for hashchange</output><output id="modified">Waiting for modified click</output>
+</nav>
+<div style="height: 1200px"></div><h2 id="section">Target section</h2>
+<div style="height: 1200px"></div><a name="legacy">Named target</a>
+<div style="height: 1200px"></div><h2 id="encoded section">Encoded target</h2>
+<div style="height: 1200px"></div>
+<script>
+window.addEventListener('hashchange', function () { document.querySelector('output').textContent = location.hash || '(empty)'; });
+function modifiedClick(event) {
+  if (event.button === 1 || event.ctrlKey || event.metaKey || event.shiftKey || event.altKey) {
+    document.getElementById('modified').textContent = String(event.defaultPrevented);
+    event.preventDefault();
+  }
+}
+window.addEventListener('click', modifiedClick);
+window.addEventListener('auxclick', modifiedClick);
+window.addEventListener('contextmenu', modifiedClick);
+</script></body></html>`,
+      "utf8",
+    );
+    await workspace.navigateTo();
+    await openWorkspaceFile(page, "targets.html");
+
+    const preview = htmlPreview(page);
+    const body = preview.document.locator("body");
+    const nested = preview.document.getByText("Nested jump", { exact: true });
+    await nested.click();
+    await expect(preview.document.locator("output").first()).toHaveText("#section");
+    await expect(
+      preview.document.getByRole("heading", { name: "Target section" }),
+    ).toBeInViewport();
+    await expect(preview.document.locator("#section")).toHaveCSS("color", "rgb(255, 0, 0)");
+
+    await body.evaluate(() => window.scrollTo(0, 0));
+    await nested.click();
+    await expect(
+      preview.document.getByRole("heading", { name: "Target section" }),
+    ).toBeInViewport();
+
+    await preview.document.getByRole("link", { name: "Named jump" }).click();
+    await expect(preview.document.getByText("Named target", { exact: true })).toBeInViewport();
+    await expect(preview.document.locator("output").first()).toHaveText("#legacy");
+
+    await preview.document.getByRole("link", { name: "Encoded jump" }).click();
+    await expect(
+      preview.document.getByRole("heading", { name: "Encoded target" }),
+    ).toBeInViewport();
+    await expect(preview.document.locator("output").first()).toHaveText("#encoded%20section");
+    const scrollY = await body.evaluate(() => window.scrollY);
+    await preview.document.getByRole("link", { name: "Missing jump" }).click();
+    expect(await body.evaluate(() => location.hash)).toBe("#missing");
+    expect(await body.evaluate(() => window.scrollY)).toBe(scrollY);
+
+    await preview.document.getByRole("link", { name: "Empty jump" }).click();
+    await expect(preview.document.locator("output").first()).toHaveText("(empty)");
+    expect(await body.evaluate(() => window.scrollY)).toBe(0);
+
+    for (const modifier of ["Control", "Meta", "Shift", "Alt"] as const) {
+      await nested.click({ modifiers: [modifier] });
+      await expect(preview.document.locator("#modified")).toHaveText("false");
+    }
+    await nested.click({ button: "middle" });
+    await expect(preview.document.locator("#modified")).toHaveText("false");
+    expect(await body.evaluate(() => location.hash)).toBe("");
+    expect(await body.evaluate(() => window.scrollY)).toBe(0);
+  });
+
   test("runs inline scripts without allowing fetch egress", async ({ page, withWorkspace }) => {
     test.setTimeout(90_000);
     const workspace = await withWorkspace({ prefix: "file-editing-html-csp-" });

packages/app/e2e/browser/file-explorer-collapse.spec.ts

@@ -1,4 +1,6 @@
-import { test } from "../support/fixtures";
+import { writeFile } from "node:fs/promises";
+import path from "node:path";
+import { expect, test } from "../support/fixtures";
 import {
   collapseFolder,
   expandFolder,
@@ -8,6 +10,7 @@ import {
   openFileExplorer,
   openFileFromExplorer,
 } from "../support/helpers/file-explorer";
+import { delayDirectoryListingResponse } from "../support/helpers/directory-listing-gate";
 import { gotoWorkspace } from "../support/helpers/launcher";
 import { seedWorkspace, type SeededWorkspace } from "../support/helpers/seed-client";
 
@@ -49,3 +52,66 @@ test.describe("File explorer collapse", () => {
     await expectExplorerEntryVisible(page, "guide.md");
   });
 });
+
+test("Files Refresh reveals new files when a cached collapsed folder is reopened", async ({
+  page,
+}) => {
+  await gotoWorkspace(page, workspace.workspaceId);
+  await openFileExplorer(page);
+  await expandFolder(page, "docs");
+  await expectExplorerEntryVisible(page, "guide.md");
+  await collapseFolder(page, "docs");
+  await expectExplorerEntryHidden(page, "guide.md");
+  await createFileOutsidePaseo("docs/NEW.md");
+  await refreshFiles(page);
+  await expandFolder(page, "docs");
+  await expectExplorerEntryVisible(page, "guide.md");
+  await expectExplorerEntryVisible(page, "NEW.md");
+
+  await createFileOutsidePaseo("docs/NEXT.md");
+  await refreshFiles(page);
+  await expectExplorerEntryVisible(page, "NEXT.md");
+});
+
+async function refreshFiles(page: import("@playwright/test").Page): Promise<void> {
+  const refresh = page.getByRole("button", { name: "Refresh files", exact: true });
+  await refresh.click();
+  await expect(refresh).toBeEnabled();
+}
+
+async function createFileOutsidePaseo(filePath: string): Promise<void> {
+  await writeFile(path.join(workspace.repoPath, filePath), "# New output\n");
+}
+
+test("Files Refresh ignores an old reply for a folder collapsed while loading", async ({
+  page,
+}) => {
+  const reply = await delayDirectoryListingResponse(page, "docs");
+  await gotoWorkspace(page, workspace.workspaceId);
+  await openFileExplorer(page);
+  await expandFolder(page, "docs");
+  await reply.waitUntilHeld();
+  await collapseFolder(page, "docs");
+  await createFileOutsidePaseo("docs/DELAYED.md");
+  await refreshFiles(page);
+  await reply.release();
+  await expandFolder(page, "docs");
+  await expectExplorerEntryVisible(page, "DELAYED.md");
+});
+
+test("Files Refresh preserves expanded folders while their saved view is restoring", async ({
+  page,
+}) => {
+  await gotoWorkspace(page, workspace.workspaceId);
+  await openFileExplorer(page);
+  await expandFolder(page, "docs");
+  await expectExplorerEntryVisible(page, "guide.md");
+  const reply = await delayDirectoryListingResponse(page, "docs");
+  await page.reload();
+  await openFileExplorer(page);
+  await reply.waitUntilHeld();
+  await refreshFiles(page);
+  await expectExplorerEntryVisible(page, "guide.md");
+  await reply.release();
+  await expectExplorerEntryVisible(page, "guide.md");
+});

packages/app/e2e/browser/file-explorer-context-actions.spec.ts

@@ -294,10 +294,17 @@ test("creates, renames, copies, and deletes entries through the file explorer",
 
   await entry("renamed.txt").click({ button: "right" });
   const deleteAction = page.getByTestId(/file-explorer-row-\d+-delete$/);
-  const deleteLabelColor = await deleteAction
-    .getByText("Delete", { exact: true })
-    .evaluate((element) => getComputedStyle(element).color);
-  await expect(deleteAction.locator("svg")).toHaveCSS("stroke", deleteLabelColor);
+  await expect
+    .poll(async () => {
+      const labelColor = await deleteAction
+        .getByText("Delete", { exact: true })
+        .evaluate((element) => getComputedStyle(element).color);
+      const iconColor = await deleteAction
+        .locator("svg")
+        .evaluate((element) => getComputedStyle(element).stroke);
+      return labelColor !== "" && iconColor === labelColor;
+    })
+    .toBe(true);
   const cancelledConfirmation = new Promise<string>((resolve) => {
     page.once("dialog", async (dialog) => {
       const message = dialog.message();

packages/app/e2e/browser/folder-links.spec.ts

@@ -81,6 +81,8 @@ for (const folder of [
   "docs/guides",
   "docs/guides/",
   "docs/指南",
+  "examples/next.js/",
+  "examples/next.js",
 ]) {
   test(`chat folder link opens folder contents: ${folder}`, async ({ page }) => {
     const session = await seedMockAgentWorkspace({
@@ -92,6 +94,9 @@ for (const folder of [
     try {
       await mkdir(path.join(session.cwd, folder), { recursive: true });
       await writeFile(path.join(session.cwd, folder, "guide.md"), "# Folder link destination\n");
+      const competingFile = path.join(session.cwd, "repo-a", folder.replace(/\/$/, ""));
+      await mkdir(path.dirname(competingFile), { recursive: true });
+      await writeFile(competingFile, "This is a file, not the requested folder.\n");
       await session.client.waitForFinish(session.agentId, 30_000);
       await page.addInitScript(() => {
         localStorage.setItem(

packages/app/e2e/browser/mermaid-fullscreen.spec.ts

@@ -1,6 +1,8 @@
 import { test } from "../support/fixtures";
 import {
   closeDiagramFullscreen,
+  expectInlineDiagramFitsViewport,
+  toggleDiagramSourceAndVerifyControls,
   closeDiagramFullscreenFromOutside,
   expectCompletedDiagram,
   expectFullscreenDiagram,
@@ -21,6 +23,36 @@ const MERMAID_DIAGRAM = [
   "```",
 ].join("\n");
 
+test("bounds a tall inline diagram", async ({ page }) => {
+  test.setTimeout(120_000);
+  const diagram = [
+    "```mermaid",
+    "flowchart TD",
+    ...Array.from({ length: 30 }, (_, i) => `N${i} --> N${i + 1}`),
+    "```",
+  ].join("\n");
+  const agent = await seedMockAgentWorkspace({
+    repoPrefix: "mermaid-tall-",
+    title: "Tall Mermaid",
+    featureValues: {
+      mockStreamingAssistantResponse: diagram,
+      mockStreamingAssistantIntervalMs: 10,
+    },
+  });
+  try {
+    await openAgentRoute(page, agent);
+    await requestDiagram(agent);
+    await waitForDiagramTurnToComplete(agent);
+    await expectCompletedDiagram(page, ["N0", "N30"]);
+    await expectInlineDiagramFitsViewport(page);
+    await openDiagramFullscreen(page);
+    await expectFullscreenDiagram(page, ["N0", "N30"]);
+    await closeDiagramFullscreen(page);
+  } finally {
+    await agent.cleanup();
+  }
+});
+
 test("opens a Mermaid diagram fullscreen and closes it again", async ({ page }) => {
   test.setTimeout(120_000);
 
@@ -40,6 +72,10 @@ test("opens a Mermaid diagram fullscreen and closes it again", async ({ page })
       await expectCompletedDiagram(page, ["Start", "Ship"]);
     });
 
+    await test.step("Source toggles preserve the diagram and exclude hidden controls", async () => {
+      await toggleDiagramSourceAndVerifyControls(page);
+    });
+
     await test.step("The toolbar opens the diagram fullscreen", async () => {
       await openDiagramFullscreen(page);
       await expectFullscreenDiagram(page, ["Start", "Review", "Ship"]);

packages/app/e2e/browser/new-workspace-composer-draft.spec.ts

@@ -1,3 +1,4 @@
+import { chooseModel, startWithoutRememberedModel } from "../support/helpers/model-memory";
 import {
   composerLocator,
   enterComposerFullscreen,
@@ -97,6 +98,7 @@ test.describe("New workspace composer draft", () => {
     const project = await seedWorkspace({ repoPrefix: "new-workspace-submitted-draft-" });
 
     try {
+      await startWithoutRememberedModel(page);
       await gotoAppShell(page);
       await waitForSidebarHydration(page);
       await openNewWorkspaceComposer(page, {
@@ -104,6 +106,7 @@ test.describe("New workspace composer draft", () => {
         projectDisplayName: project.projectDisplayName,
       });
 
+      await chooseModel(page, "mock", "Ten second stream");
       const composer = page.getByRole("textbox", { name: "Message agent..." });
       const createButton = page.getByTestId("workspace-create-submit");
       await expect(composer).toBeEditable({ timeout: 30_000 });

packages/app/e2e/browser/new-workspace-entry.spec.ts

@@ -122,10 +122,14 @@ test.describe("New workspace entry points", () => {
       });
       const hostTrigger = page.getByTestId("host-picker-trigger");
       await expect(hostTrigger).toContainText("localhost", { timeout: 30_000 });
+      const originalUrl = page.url();
       await hostTrigger.click();
       await expect(page.getByTestId("new-workspace-host-picker-add-host")).toBeVisible();
       await page.getByTestId("new-workspace-host-picker-add-host").click();
-      await expect(page).toHaveURL(/\/settings\/general\?addHost=/);
+      await expect(
+        page.getByRole("button", { name: "Direct connection", exact: true }),
+      ).toBeVisible();
+      await expect(page).toHaveURL(originalUrl);
     } finally {
       await seeded.cleanup();
     }

packages/app/e2e/browser/onboarding.spec.ts

@@ -0,0 +1,448 @@
+import { execFileSync } from "node:child_process";
+import { mkdir, rm } from "node:fs/promises";
+import path from "node:path";
+import { expect, metroTest as test } from "../support/fixtures";
+import {
+  addProjectFromSetup,
+  continueSetup,
+  expectSetupStep,
+  finishSetup,
+  goToSetupStep,
+  hostGivesAgentsPaseoTools,
+  openAppAsNewUser,
+  openRelayPairingFromSetup,
+  closeRelayPairing,
+  emptyHome,
+  loadingScreen,
+  openTailscaleDocsFromSetup,
+  paseoToolsSwitch,
+  pickTheme,
+  projectSuggestion,
+  projectSuggestionRow,
+  readFirstLaunch,
+  recordFirstLaunch,
+  setupModal,
+  setupPrimaryButton,
+  showSetupAgainFromSettings,
+  skipSetup,
+  startSetupHost,
+} from "../support/helpers/onboarding";
+import {
+  chooseCustomSkills,
+  openSkillSelection,
+  saveSkillSelection,
+} from "../support/helpers/agent-skills";
+import { installDaemonWebSocketGate } from "../support/helpers/daemon-websocket-gate";
+import { enableRelayAndExpectOffer } from "../support/helpers/pair-device";
+import { seedWorkspace } from "../support/helpers/seed-client";
+import { openSettingsHostSection } from "../support/helpers/settings";
+import { createTempDirectory, createTempGitRepo } from "../support/helpers/workspace";
+
+// Midnight's muted foreground (#9a9db0), which the step description is drawn in.
+const MIDNIGHT_MUTED_FOREGROUND = "rgb(154, 157, 176)";
+
+test("a new user is walked through setup once", async ({ page }, testInfo) => {
+  const host = await startSetupHost("fresh");
+  const repo = await createTempGitRepo("onboarding-folder-");
+
+  try {
+    await openAppAsNewUser(page, host);
+
+    await test.step("setup opens on Appearance and a theme applies at once", async () => {
+      await expectSetupStep(page, "Welcome to Paseo");
+      await pickTheme(page, "Midnight");
+      await expect(
+        setupModal(page).getByText("Let's start by picking a look", { exact: true }),
+      ).toHaveCSS("color", MIDNIGHT_MUTED_FOREGROUND);
+      await page.screenshot({ path: testInfo.outputPath("1-appearance.png") });
+    });
+
+    await test.step("Providers shows the same provider list as Settings", async () => {
+      await continueSetup(page);
+      await expectSetupStep(page, "Your agents");
+      await expect(setupModal(page).getByTestId("host-page-providers-card")).toBeVisible();
+      await page.screenshot({ path: testInfo.outputPath("2-providers.png") });
+    });
+
+    await test.step("with no agent history, Add project opens the regular flow and the folder shows as added", async () => {
+      await continueSetup(page);
+      await expectSetupStep(page, "Add your projects");
+      await expect(
+        setupModal(page).getByText("No recent projects found", { exact: true }),
+      ).toBeVisible({ timeout: 60_000 });
+      await addProjectFromSetup(page, repo.path);
+      await expectSetupStep(page, "Add your projects");
+      await expect(setupModal(page).getByText(repo.path, { exact: true })).toBeVisible();
+      await expect(setupModal(page).getByText("Added", { exact: true })).toBeVisible();
+      await page.screenshot({ path: testInfo.outputPath("3-projects.png") });
+    });
+
+    await test.step("Orchestration starts with its switches on", async () => {
+      await continueSetup(page);
+      await expectSetupStep(page, "Let agents use Paseo");
+      await expect(paseoToolsSwitch(setupModal(page))).toBeChecked();
+      await expect(
+        setupModal(page).getByRole("switch", { name: "Orchestration skills", exact: true }),
+      ).toBeChecked();
+      await page.screenshot({ path: testInfo.outputPath("4-orchestration.png") });
+    });
+
+    await test.step("Skip setup closes it for good", async () => {
+      await skipSetup(page);
+      await page.reload();
+      await expect(
+        page.locator('[data-testid^="sidebar-project-row-"]').filter({
+          hasText: path.basename(repo.path),
+        }),
+      ).toBeVisible({ timeout: 60_000 });
+      await expect(setupModal(page)).toHaveCount(0);
+    });
+  } finally {
+    await host.close();
+    await repo.cleanup();
+  }
+});
+
+test("a new user goes from the loading screen straight into setup", async ({ page }) => {
+  const host = await startSetupHost("first-launch");
+
+  try {
+    await recordFirstLaunch(page);
+    await openAppAsNewUser(page, host);
+    await expectSetupStep(page, "Welcome to Paseo");
+
+    const launch = await readFirstLaunch(page);
+    expect(launch.appBeforeSetup).toBe(false);
+    expect(launch.setupOpacityOnArrival).toBeLessThan(1);
+    await expect(setupModal(page)).toHaveCSS("opacity", "1");
+  } finally {
+    await host.close();
+  }
+});
+
+test("with reduced motion, setup appears without fading in", async ({ page }) => {
+  const host = await startSetupHost("reduced-motion");
+
+  try {
+    await page.emulateMedia({ reducedMotion: "reduce" });
+    await recordFirstLaunch(page);
+    await openAppAsNewUser(page, host);
+    await expectSetupStep(page, "Welcome to Paseo");
+
+    expect((await readFirstLaunch(page)).setupOpacityOnArrival).toBe(1);
+  } finally {
+    await host.close();
+  }
+});
+
+test("changing the theme keeps the setup window in place on every step", async ({ page }) => {
+  const host = await startSetupHost("theme-change");
+
+  try {
+    await openAppAsNewUser(page, host);
+    await expectSetupStep(page, "Welcome to Paseo");
+    const setupWindow = await setupModal(page).elementHandle();
+
+    for (const title of [
+      "Welcome to Paseo",
+      "Your agents",
+      "Add your projects",
+      "Let agents use Paseo",
+      "Take your agents with you",
+    ]) {
+      if (title !== "Welcome to Paseo") await continueSetup(page);
+      await expectSetupStep(page, title);
+      const heading = setupModal(page).getByRole("heading", { name: title });
+      const headingNode = await heading.elementHandle();
+      const lightColor = await heading.evaluate((node) => getComputedStyle(node).color);
+      await page.emulateMedia({ colorScheme: "dark" });
+      await expect(heading).not.toHaveCSS("color", lightColor);
+      await page.emulateMedia({ colorScheme: "light" });
+      await expect(heading).toHaveCSS("color", lightColor);
+      expect(await setupWindow?.evaluate((node) => node.isConnected), title).toBe(true);
+      expect(await headingNode?.evaluate((node) => node.isConnected), title).toBe(true);
+    }
+
+    await goToSetupStep(page, "Appearance");
+    await pickTheme(page, "Midnight");
+    await pickTheme(page, "Light");
+    expect(await setupWindow?.evaluate((node) => node.isConnected)).toBe(true);
+  } finally {
+    await host.close();
+  }
+});
+
+test("the loading screen stays up while the setup host loads its workspaces", async ({ page }) => {
+  const host = await startSetupHost("slow-workspaces");
+  const gate = await installDaemonWebSocketGate(page, { port: host.port });
+
+  try {
+    await recordFirstLaunch(page);
+    gate.holdNextClientRequest("fetch_workspaces_request");
+    await openAppAsNewUser(page, host);
+    await gate.waitForHeldClientRequest();
+    await expect(loadingScreen(page)).toBeVisible();
+    await expect(emptyHome(page)).toHaveCount(0);
+
+    gate.releaseHeldClientRequest();
+    await expectSetupStep(page, "Welcome to Paseo");
+    expect((await readFirstLaunch(page)).appBeforeSetup).toBe(false);
+  } finally {
+    await host.close();
+  }
+});
+
+test("a setup host that never loads its workspaces still lands on the home", async ({ page }) => {
+  const host = await startSetupHost("stuck-workspaces");
+  const gate = await installDaemonWebSocketGate(page, { port: host.port });
+
+  try {
+    gate.holdNextClientRequest("fetch_workspaces_request");
+    await openAppAsNewUser(page, host);
+    await gate.waitForHeldClientRequest();
+    await expect(emptyHome(page)).toBeVisible({ timeout: 15_000 });
+    await expect(setupModal(page)).toHaveCount(0);
+
+    // Setup still opens once the host answers.
+    gate.releaseHeldClientRequest();
+    await expectSetupStep(page, "Welcome to Paseo");
+  } finally {
+    await host.close();
+  }
+});
+
+test("a setup host that drops while loading still lands on the home", async ({ page }) => {
+  const host = await startSetupHost("dropped-workspaces");
+  const gate = await installDaemonWebSocketGate(page, { port: host.port });
+
+  try {
+    gate.holdNextClientRequest("fetch_workspaces_request");
+    await openAppAsNewUser(page, host);
+    await gate.waitForHeldClientRequest();
+    await gate.drop();
+    await expect(emptyHome(page)).toBeVisible({ timeout: 15_000 });
+    await expect(setupModal(page)).toHaveCount(0);
+  } finally {
+    await host.close();
+  }
+});
+
+test("an unreachable setup host lands on the home without setup", async ({ page }) => {
+  const host = await startSetupHost("unreachable");
+  await host.close();
+
+  await openAppAsNewUser(page, host);
+  await expect(emptyHome(page)).toBeVisible({ timeout: 15_000 });
+  await expect(setupModal(page)).toHaveCount(0);
+});
+
+test("setup suggests the repos the user already ran agents in", async ({ page }, testInfo) => {
+  const repo = await createTempGitRepo("onboarding-history-");
+  const repoName = path.basename(repo.path);
+  const subdirectory = path.join(repo.path, "packages", "web");
+  await mkdir(subdirectory, { recursive: true });
+  const worktree = `${repo.path}-fix`;
+  execFileSync("git", ["worktree", "add", "-b", "fix", worktree], { cwd: repo.path });
+  const scratch = await createTempDirectory("onboarding-scratch-");
+  const scratchName = path.basename(scratch.path);
+  const host = await startSetupHost("history", {
+    claudeSessionsIn: [repo.path, subdirectory, worktree, scratch.path, scratch.path, scratch.path],
+    withBrokenProvider: true,
+  });
+
+  try {
+    await openAppAsNewUser(page, host);
+    await expectSetupStep(page, "Welcome to Paseo");
+    await goToSetupStep(page, "Projects");
+    await expectSetupStep(page, "Add your projects");
+
+    await test.step("the repo, its subfolder and its worktree become one checked row", async () => {
+      await expect(projectSuggestion(page, repoName)).toBeChecked({ timeout: 60_000 });
+      await expect(projectSuggestion(page, scratchName)).toBeChecked();
+      await expect(setupModal(page).getByTestId("project-suggestion")).toHaveCount(2);
+    });
+
+    await test.step("a provider that cannot read its history adds nothing and shows no error", async () => {
+      await expect(setupModal(page).getByTestId("project-suggestions-skeleton")).toHaveCount(0, {
+        timeout: 60_000,
+      });
+      await expect(setupModal(page).getByText(/Broken ACP/)).toHaveCount(0);
+      await expect(setupModal(page).getByTestId("project-suggestion")).toHaveCount(2);
+    });
+
+    await test.step("the footer adds what is checked; the Add project flow is separate", async () => {
+      await expect(setupPrimaryButton(page, "Add 2 projects")).toBeVisible();
+      await expect(setupModal(page).getByRole("button", { name: "Continue" })).toHaveCount(0);
+      await expect(
+        setupModal(page).getByRole("button", { name: "Add project", exact: true }),
+      ).toBeVisible();
+      await page.screenshot({ path: testInfo.outputPath("8-project-suggestions.png") });
+      await projectSuggestion(page, repoName).click();
+      await projectSuggestion(page, scratchName).click();
+      await expect(setupPrimaryButton(page, "Continue")).toBeVisible();
+      await projectSuggestion(page, repoName).click();
+      await projectSuggestion(page, scratchName).click();
+    });
+
+    await test.step("a folder that cannot be added keeps the user on the step", async () => {
+      await scratch.cleanup();
+      await setupPrimaryButton(page, "Add 2 projects").click();
+      await expect(setupPrimaryButton(page, "Add 1 project")).toBeVisible({ timeout: 30_000 });
+      await expectSetupStep(page, "Add your projects");
+      await expect(projectSuggestion(page, scratchName)).toBeChecked();
+      await expect(projectSuggestionRow(page, scratchName)).toContainText("Directory not found");
+      await expect(projectSuggestion(page, repoName)).toHaveCount(0);
+      await page.screenshot({ path: testInfo.outputPath("9-project-suggestion-failed.png") });
+    });
+
+    await test.step("with nothing checked, Continue moves on without adding", async () => {
+      await projectSuggestion(page, scratchName).click();
+      await setupPrimaryButton(page, "Continue").click();
+      await expectSetupStep(page, "Let agents use Paseo");
+      await expect(
+        page.locator('[data-testid^="sidebar-project-row-"]').filter({ hasText: repoName }),
+      ).toBeVisible({ timeout: 60_000 });
+      await expect(
+        page.locator('[data-testid^="sidebar-project-row-"]').filter({ hasText: scratchName }),
+      ).toHaveCount(0);
+    });
+  } finally {
+    await host.close();
+    await rm(worktree, { recursive: true, force: true });
+    await repo.cleanup();
+    await scratch.cleanup();
+  }
+});
+
+test("an existing user only sees setup when they ask for it", async ({ page }) => {
+  const host = await startSetupHost("existing");
+  const workspace = await seedWorkspace({ repoPrefix: "onboarding-existing-", port: host.port });
+
+  try {
+    await openAppAsNewUser(page, host);
+    await expect(
+      page.getByTestId(`sidebar-workspace-row-${host.serverId}:${workspace.workspaceId}`),
+    ).toBeVisible({ timeout: 60_000 });
+    await expect(setupModal(page)).toHaveCount(0);
+
+    await showSetupAgainFromSettings(page);
+    await expectSetupStep(page, "Welcome to Paseo");
+    await expect(setupModal(page).getByRole("tab", { name: "Appearance" })).toHaveAttribute(
+      "aria-selected",
+      "true",
+    );
+  } finally {
+    await workspace.cleanup();
+    await host.close();
+  }
+});
+
+test("setup choices carry over to Settings and the phone step pairs over relay", async ({
+  page,
+}, testInfo) => {
+  const host = await startSetupHost("phone", { mutableRelay: { enabled: false } });
+
+  try {
+    await openAppAsNewUser(page, host);
+    await expectSetupStep(page, "Welcome to Paseo");
+
+    await test.step("Paseo tools start on in setup and Continue turns them on", async () => {
+      await goToSetupStep(page, "Orchestration");
+      await expectSetupStep(page, "Let agents use Paseo");
+      await expect(paseoToolsSwitch(setupModal(page))).toBeChecked();
+      await continueSetup(page);
+    });
+
+    await test.step("Phone offers Tailscale docs and pairs over relay in its own modal", async () => {
+      await expectSetupStep(page, "Take your agents with you");
+      await page.screenshot({ path: testInfo.outputPath("5-phone.png") });
+      expect(await openTailscaleDocsFromSetup(page)).toBe(
+        "https://paseo.sh/docs/connectivity#tailscale",
+      );
+      const pairing = await openRelayPairingFromSetup(page);
+      await expect(pairing.getByText("Enable relay?", { exact: true })).toBeVisible();
+      await enableRelayAndExpectOffer(page);
+      await page.screenshot({ path: testInfo.outputPath("6-phone-qr.png") });
+      await closeRelayPairing(pairing);
+    });
+
+    await test.step("Finish closes setup and Settings shows the same Paseo tools value", async () => {
+      await finishSetup(page);
+      await page.locator('[data-testid="sidebar-settings"]:visible').first().click();
+      await openSettingsHostSection(page, host.serverId, "agents");
+      await expect(paseoToolsSwitch(page)).toBeChecked();
+      await page.screenshot({ path: testInfo.outputPath("7-settings-agents.png") });
+    });
+  } finally {
+    await host.close();
+  }
+});
+
+test("with no skills picked, skills read as off and Continue moves on", async ({ page }) => {
+  const host = await startSetupHost("no-skills");
+
+  try {
+    await openAppAsNewUser(page, host);
+    await expectSetupStep(page, "Welcome to Paseo");
+    await goToSetupStep(page, "Orchestration");
+    await expectSetupStep(page, "Let agents use Paseo");
+
+    await openSkillSelection(page);
+    await chooseCustomSkills(page, []);
+    await saveSkillSelection(page);
+    const skillsSwitch = setupModal(page).getByRole("switch", {
+      name: "Orchestration skills",
+      exact: true,
+    });
+    await expect(skillsSwitch).not.toBeChecked();
+
+    await continueSetup(page);
+    await expectSetupStep(page, "Take your agents with you");
+  } finally {
+    await host.close();
+  }
+});
+
+test("in the compact layout, Finish on Orchestration applies its switches", async ({ page }) => {
+  await page.setViewportSize({ width: 390, height: 844 });
+  const host = await startSetupHost("compact");
+  const gate = await installDaemonWebSocketGate(page, { port: host.port });
+  // The compact sheet is the only surface on screen, and Orchestration is its last step.
+  const step = (title: string) =>
+    expect(page.getByRole("heading", { name: title, exact: true })).toBeVisible({
+      timeout: 60_000,
+    });
+  const primary = (label: string) => page.getByRole("button", { name: label, exact: true });
+
+  try {
+    await openAppAsNewUser(page, host);
+    await step("Welcome to Paseo");
+    await primary("Continue").click();
+    await step("Your agents");
+    await primary("Continue").click();
+    await step("Add your projects");
+    await primary("Continue").click();
+
+    // The setup host starts with Paseo tools off; the switch starts on.
+    expect(await hostGivesAgentsPaseoTools(host)).toBe(false);
+    await step("Let agents use Paseo");
+    await expect(paseoToolsSwitch(page)).toBeChecked();
+    // Skills are not installed, so leaving them off has nothing to apply.
+    const skillsSwitch = page.getByRole("switch", { name: "Orchestration skills", exact: true });
+    await skillsSwitch.click();
+    await expect(skillsSwitch).not.toBeChecked();
+    gate.holdNextClientRequest("set_daemon_config_request");
+    await primary("Finish").click();
+
+    // While the choices apply, none of them can change.
+    await gate.waitForHeldClientRequest();
+    await expect(paseoToolsSwitch(page)).toBeDisabled();
+    await expect(skillsSwitch).toBeDisabled();
+    gate.releaseHeldClientRequest();
+
+    await expect.poll(() => hostGivesAgentsPaseoTools(host), { timeout: 30_000 }).toBe(true);
+    await expect(page.getByRole("heading", { name: "Let agents use Paseo" })).toHaveCount(0);
+  } finally {
+    await host.close();
+  }
+});

packages/app/e2e/browser/plugin-buttons.spec.ts

@@ -10,6 +10,7 @@ test("plugin header and composer buttons share actions, menus, content, and upda
     await buttons.verifyObservationLifetime();
     await buttons.openWideMenusAndPopovers();
     await buttons.runAndUpdateActions();
+    await buttons.keepTrackSpaceWithoutPills();
     await buttons.openCompactSheets();
     await buttons.useCompactWorkspaceMenu();
     await buttons.hideAndUnloadOpenButtons();

packages/app/e2e/browser/plugin-settings.spec.ts

@@ -16,6 +16,14 @@ import {
   returnAndReopenSettings,
   returnToPluginsPage,
   expectSettingsUnavailable,
+  openPluginsPage,
+  expectActionsMenuWithoutSettings,
+  expectNoSettingsCogWithoutScreens,
+  openTabbedSettings,
+  selectSettingsTab,
+  openTabbedSettingsLink,
+  expectSettingsTooltip,
+  expectNamedPluginRow,
 } from "../support/helpers/plugin-settings";
 
 test("display preferences survive a reload", async ({ page }) => {
@@ -49,6 +57,32 @@ test("Back to plugins returns from a plugin settings screen", async ({ page }) =
   await returnToPluginsPage(page);
 });
 
+test("plugin settings open from the cog and show a tab per screen", async ({ page }) => {
+  await openPluginsPage(page);
+  await test.step("plugin rows show the display name", async () => {
+    await expectNamedPluginRow(page);
+  });
+  await test.step("the cog explains itself", async () => {
+    await expectSettingsTooltip(page);
+  });
+  await test.step("the actions menu keeps only plugin actions", async () => {
+    await expectActionsMenuWithoutSettings(page);
+  });
+  await test.step("tabs switch between the plugin's settings screens", async () => {
+    await openTabbedSettings(page);
+    await selectSettingsTab(page, "Advanced");
+    await selectSettingsTab(page, "General");
+    await returnToPluginsPage(page);
+  });
+  await test.step("a plugin without settings screens shows no cog", async () => {
+    await expectNoSettingsCogWithoutScreens(page);
+  });
+});
+
+test("a settings screen link opens its tab", async ({ page }) => {
+  await openTabbedSettingsLink(page, "Advanced");
+});
+
 test.describe("compact plugin settings", () => {
   test.use({ viewport: { width: 390, height: 844 } });
 

packages/app/e2e/browser/plugin-sidebar-items.spec.ts

@@ -2,6 +2,7 @@ import path from "node:path";
 import type { Locator, Page } from "@playwright/test";
 import { expect, test } from "../support/fixtures";
 import { gotoWorkspace } from "../support/helpers/launcher";
+import { gotoAppShell } from "../support/helpers/app";
 import {
   BOTS_PLUGIN_ID,
   COMPACT,
@@ -27,6 +28,7 @@ import { seedWorkspace } from "../support/helpers/seed-client";
 import { getServerId } from "../support/helpers/server-id";
 import { installUsageReportsFixture } from "../support/helpers/usage-reports";
 import { claudeAndCodexReports } from "../support/helpers/usage-sidebar-item";
+import { daemonWsRoutePattern } from "../support/helpers/daemon-port";
 
 const APP_SETTINGS_KEY = "@paseo:app-settings";
 
@@ -133,6 +135,30 @@ function sidebarFooter(page: Page): Locator {
   return visibleTestId(page, "sidebar-add-project").locator("xpath=..");
 }
 
+function isPluginCatalogResponse(message: string | Buffer): boolean {
+  if (typeof message !== "string") return false;
+  const frame = JSON.parse(message);
+  return frame.type === "session" && frame.message?.type === "plugin.catalog.get.response";
+}
+
+async function holdNextPluginCatalogResponse(page: Page) {
+  const response = Promise.withResolvers<() => void>();
+  let holdCatalog = true;
+  await page.routeWebSocket(daemonWsRoutePattern(), (socket) => {
+    const server = socket.connectToServer();
+    socket.onMessage((message) => server.send(message));
+    server.onMessage((message) => {
+      if (holdCatalog && isPluginCatalogResponse(message)) {
+        holdCatalog = false;
+        response.resolve(() => socket.send(message));
+        return;
+      }
+      socket.send(message);
+    });
+  });
+  return { response: response.promise };
+}
+
 test.describe("Plugin sidebar items", () => {
   let workspaceId: string;
   let cleanup: () => Promise<void>;
@@ -151,6 +177,69 @@ test.describe("Plugin sidebar items", () => {
     await cleanup();
   });
 
+  test("a short compact sidebar keeps workspaces usable while navigation scrolls", async ({
+    page,
+  }) => {
+    await page.setViewportSize({ width: 390, height: 600 });
+    await gotoAppShell(page);
+    await page.getByRole("button", { name: "Open menu", exact: true }).first().click();
+    await expect(botRow(page, "status")).toBeAttached();
+    const workspace = visibleTestId(page, `sidebar-workspace-row-${getServerId()}:${workspaceId}`);
+    await expect(workspace).toBeInViewport({ ratio: 1 });
+
+    await test.step("scrolling navigation reaches its last row without moving workspaces", async () => {
+      const before = await boxOf(workspace);
+      await visibleTestId(page, "sidebar-global-new-workspace").hover();
+      await page.mouse.wheel(0, 800);
+      await expect(botRow(page, "status")).toBeInViewport({ ratio: 1 });
+      await expect(workspace).toBeInViewport({ ratio: 1 });
+      expect((await boxOf(workspace)).y).toBe(before.y);
+      await botRow(page, "status").click();
+      await expect(page.getByText("Bot status details", { exact: true })).toBeVisible();
+      await page.getByRole("button", { name: "Close bot status", exact: true }).click();
+    });
+
+    await test.step("the workspace still opens and closes the sidebar", async () => {
+      await workspace.click();
+      await expect(
+        page.getByRole("button", { name: "Open menu", exact: true }).first(),
+      ).toBeVisible();
+      await expect(workspace).not.toBeInViewport();
+    });
+  });
+
+  test("a restored plugin screen waits for its catalog before rendering", async ({ page }) => {
+    await page.setViewportSize(WIDE);
+    await gotoWorkspace(page, workspaceId);
+    const row = headerRow(page, SHOWCASE_PLUGIN_ID, "deploys");
+    await expect(row).toBeVisible({ timeout: 30_000 });
+    await row.click();
+    const body = page.getByText("Deploys screen body", { exact: true });
+    await expect(body).toBeVisible();
+    const screenUrl = page.url();
+    const catalog = await holdNextPluginCatalogResponse(page);
+
+    await page.reload();
+    const releaseCatalog = await catalog.response;
+    try {
+      await expect(
+        page.getByRole("progressbar", { name: "Loading plugin", exact: true }),
+      ).toBeVisible();
+      await expect(
+        page.getByText("This plugin surface is unavailable.", { exact: true }),
+      ).toHaveCount(0);
+      await expect(body).toHaveCount(0);
+    } finally {
+      releaseCatalog();
+    }
+
+    await expect(body).toBeVisible();
+    await expect(
+      page.getByRole("progressbar", { name: "Loading plugin", exact: true }),
+    ).toHaveCount(0);
+    await expect(page).toHaveURL(screenUrl);
+  });
+
   test("a plugin's screen, header row, footer popover and command work together", async ({
     page,
   }) => {
@@ -228,7 +317,10 @@ test.describe("Plugin sidebar items", () => {
       const compactSync = footerItem(page, SHOWCASE_PLUGIN_ID, "sync");
       await expect(compactSync).toBeInViewport();
       await expectFooterRow(page, compactSync);
-      await expect(headerRow(page, SHOWCASE_PLUGIN_ID, "deploys")).toBeInViewport();
+      // The compact nav block is capped at half the sidebar and scrolls past it.
+      const compactDeploys = headerRow(page, SHOWCASE_PLUGIN_ID, "deploys");
+      await compactDeploys.scrollIntoViewIfNeeded();
+      await expect(compactDeploys).toBeInViewport();
       await qaScreenshot(page, "phase2-compact-sidebar");
       await qaScreenshot(page, "phase5-compact-footer", sidebarFooter(page));
       await compactSync.click();

packages/app/e2e/browser/plugin-subscription-examples.spec.ts

@@ -0,0 +1,79 @@
+import { writeFile } from "node:fs/promises";
+import path from "node:path";
+import { expect, test, type Page } from "../support/fixtures";
+import { gotoAppShell } from "../support/helpers/app";
+import { openCommandCenter } from "../support/helpers/command-center";
+import { connectNewWorkspaceDaemonClient } from "../support/helpers/new-workspace";
+import { copyPluginExample } from "../support/helpers/plugin-fixture";
+import { seedWorkspace, type SeededWorkspace } from "../support/helpers/seed-client";
+import { getServerId } from "../support/helpers/server-id";
+import {
+  switchWorkspaceViaSidebar,
+  waitForWorkspaceInSidebar,
+} from "../support/helpers/workspace-ui";
+
+async function runCommand(page: Page, title: string): Promise<void> {
+  const panel = await openCommandCenter(page);
+  await panel.getByTestId("command-center-input").fill(title);
+  await panel.getByRole("button", { name: title, exact: true }).click();
+  await expect(panel).not.toBeVisible();
+}
+
+/** Installs a plugin example, opens a seeded workspace, and runs `exercise` against them. */
+async function withExample(
+  page: Page,
+  example: { name: string; id: string },
+  exercise: (workspace: SeededWorkspace) => Promise<void>,
+): Promise<void> {
+  const client = await connectNewWorkspaceDaemonClient({ ownProjects: false });
+  const previous = await client.getDaemonConfig();
+  const copy = await copyPluginExample(example.name);
+  const workspace = await seedWorkspace({ repoPrefix: `${example.name}-` });
+  try {
+    await client.patchDaemonConfig({ pluginsEnabled: true });
+    await client.installDirectoryPlugin(copy.directory);
+    await page.setViewportSize({ width: 1280, height: 800 });
+    await gotoAppShell(page);
+    const target = { serverId: getServerId(), workspaceId: workspace.workspaceId };
+    await waitForWorkspaceInSidebar(page, target);
+    await switchWorkspaceViaSidebar({ page, ...target });
+    await exercise(workspace);
+  } finally {
+    try {
+      await client.removePlugin(example.id);
+    } finally {
+      await client.patchDaemonConfig({ pluginsEnabled: previous.config.pluginsEnabled });
+      await workspace.cleanup();
+      await client.close();
+      await copy.cleanup();
+    }
+  }
+}
+
+test.describe("plugin subscriptions", () => {
+  test.describe.configure({ timeout: 180_000 });
+
+  test("a panel follows events the daemon pushes as files change", async ({ page }) => {
+    await withExample(page, { name: "diff-watch", id: "diff-watch" }, async (workspace) => {
+      await runCommand(page, "Open live changes");
+      await expect(page.getByText("No changes", { exact: true })).toBeVisible();
+
+      await writeFile(path.join(workspace.repoPath, "pushed.txt"), "from the test\n");
+      await expect(page.getByText("1 file changed", { exact: true })).toBeVisible();
+      await expect(page.getByText("pushed.txt", { exact: true })).toBeVisible();
+    });
+  });
+
+  test("a panel plays streamed bytes and sends bytes back", async ({ page }) => {
+    await withExample(page, { name: "media-stream", id: "media-stream" }, async () => {
+      await runCommand(page, "Open media stream");
+      await expect(page.getByText("live", { exact: true })).toBeVisible();
+      await expect(page.getByText(/^[1-9]\d* video frames/)).toBeVisible();
+
+      await page.getByRole("button", { name: "Send this frame back", exact: true }).click();
+      await expect(
+        page.getByText(/^The daemon received [1-9]\d* bytes, sha256 [0-9a-f]{12}$/),
+      ).toBeVisible();
+    });
+  });
+});

packages/app/e2e/browser/plugin-theme.spec.ts

@@ -2,7 +2,6 @@ import { pluginRequirements } from "../support/helpers/plugin-fixture";
 import { mkdtemp, rm, writeFile } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import path from "node:path";
-import type { Page } from "@playwright/test";
 import { expect, test } from "../support/fixtures";
 import { connectNewWorkspaceDaemonClient } from "../support/helpers/new-workspace";
 import { openSettingsSection } from "../support/helpers/settings";
@@ -69,8 +68,7 @@ test("applies a contributed theme and falls back when its plugin is gone", async
     await openSettingsSection(page, "appearance");
 
     const sectionTitle = page.getByText("Theme", { exact: true }).first();
-    await page.getByLabel("Theme: System", { exact: true }).click();
-    const mochaItem = page.getByText("Catppuccin Mocha", { exact: true });
+    const mochaItem = page.getByRole("radio", { name: "Catppuccin Mocha", exact: true });
     await expect(mochaItem).toBeVisible({ timeout: 30_000 });
     await page.screenshot({
       path: testInfo.outputPath("plugin-theme-picker.png"),
@@ -79,14 +77,14 @@ test("applies a contributed theme and falls back when its plugin is gone", async
     });
 
     await test.step("a contributed light theme uses the light palette", async () => {
-      await page.getByText("Catppuccin Latte", { exact: true }).click();
-      await expect(page.getByLabel("Theme: Catppuccin Latte", { exact: true })).toBeVisible();
+      const latteItem = page.getByRole("radio", { name: "Catppuccin Latte", exact: true });
+      await latteItem.click();
+      await expect(latteItem).toBeChecked();
       await expect(sectionTitle).toHaveCSS("color", LATTE_MUTED_FOREGROUND);
-      await page.getByLabel("Theme: Catppuccin Latte", { exact: true }).click();
     });
 
     await mochaItem.click();
-    await expect(page.getByLabel("Theme: Catppuccin Mocha", { exact: true })).toBeVisible();
+    await expect(mochaItem).toBeChecked();
     await expect(sectionTitle).toHaveCSS("color", MOCHA_MUTED_FOREGROUND);
     await page.screenshot({
       path: testInfo.outputPath("plugin-theme-applied.png"),
@@ -95,15 +93,13 @@ test("applies a contributed theme and falls back when its plugin is gone", async
 
     await test.step("the selection survives a reload", async () => {
       await page.reload();
-      await expect(page.getByLabel("Theme: Catppuccin Mocha", { exact: true })).toBeVisible({
-        timeout: 30_000,
-      });
+      await expect(mochaItem).toBeChecked({ timeout: 30_000 });
       await expect(sectionTitle).toHaveCSS("color", MOCHA_MUTED_FOREGROUND);
     });
 
     await test.step("removing the plugin falls back to the default theme", async () => {
       await client.removePlugin(PLUGIN_ID);
-      await expect(page.getByLabel("Theme: System", { exact: true })).toBeVisible({
+      await expect(page.getByRole("radio", { name: "System", exact: true })).toBeChecked({
         timeout: 30_000,
       });
       await expect(sectionTitle).not.toHaveCSS("color", MOCHA_MUTED_FOREGROUND);
@@ -147,15 +143,7 @@ const MANY_THEMES_SOURCE = `export default function contribute(plugin) {
   return () => {};
 }`;
 
-async function scrollThemeMenuToLastTheme(page: Page) {
-  const firstTheme = page.getByText("Pack theme 1", { exact: true });
-  await expect(firstTheme).toBeVisible({ timeout: 30_000 });
-  await firstTheme.hover();
-  await page.mouse.wheel(0, 4000);
-  await expect(page.getByText(LAST_THEME_NAME, { exact: true })).toBeInViewport({ ratio: 1 });
-}
-
-test("scrolls to the last theme when a plugin contributes more themes than fit", async ({
+test("reaches the last theme when a plugin contributes more themes than fit", async ({
   page,
 }, testInfo) => {
   const directory = await mkdtemp(path.join(tmpdir(), "paseo-plugin-theme-many-e2e-"));
@@ -175,15 +163,16 @@ test("scrolls to the last theme when a plugin contributes more themes than fit",
     await expect(page.getByTestId("settings-sidebar")).toBeVisible();
     await openSettingsSection(page, "appearance");
 
-    await page.getByLabel("Theme: System", { exact: true }).click();
-    await scrollThemeMenuToLastTheme(page);
+    const lastTheme = page.getByRole("radio", { name: LAST_THEME_NAME, exact: true });
+    await expect(lastTheme).toBeAttached({ timeout: 30_000 });
+    await lastTheme.scrollIntoViewIfNeeded();
     await page.screenshot({
       path: testInfo.outputPath("plugin-theme-picker-scrolled.png"),
       animations: "disabled",
     });
 
-    await page.getByText(LAST_THEME_NAME, { exact: true }).click();
-    await expect(page.getByLabel(`Theme: ${LAST_THEME_NAME}`, { exact: true })).toBeVisible();
+    await lastTheme.click();
+    await expect(lastTheme).toBeChecked();
   } finally {
     await client.removePlugin(MANY_THEMES_PLUGIN_ID).catch(() => undefined);
     await client

packages/app/e2e/browser/provider-task-list.real.spec.ts

@@ -1,7 +1,8 @@
-import { mkdtempSync, realpathSync } from "node:fs";
+import { mkdirSync, mkdtempSync, realpathSync } from "node:fs";
 import { tmpdir } from "node:os";
 import path from "node:path";
-import { expect, test } from "../support/fixtures";
+import type { Locator } from "@playwright/test";
+import { expect, test, type Page } from "../support/fixtures";
 import {
   cleanupRewindFlow,
   launchAgent,
@@ -14,7 +15,11 @@ import {
   expectTaskListEntries,
   openCompletedTaskList,
 } from "../support/helpers/task-list";
-import { submitMessage } from "../support/helpers/composer";
+import { submitMessage, submitMessageWithButton } from "../support/helpers/composer";
+import { waitForSettledPosition } from "../support/helpers/sheet-layout";
+import { seedWorkspace, type SeededWorkspace } from "../support/helpers/seed-client";
+import { getServerId } from "../support/helpers/server-id";
+import { gotoAppShell } from "../support/helpers/app";
 
 interface TaskScenario {
   provider: RewindFlowProvider;
@@ -114,3 +119,425 @@ test.describe("real provider composer task lists", () => {
     }
   });
 });
+
+async function openBackgroundInventory(
+  page: Page,
+  options: { compact: boolean; count: number; timeout: number },
+): Promise<Locator> {
+  const pill = page.getByRole("button", {
+    name: options.count === 1 ? "1 background task" : `${options.count} background tasks`,
+  });
+  await expect(pill).toBeVisible({ timeout: options.timeout });
+  await pill.click();
+  const panel = page.getByTestId(
+    options.compact ? "background-work-panel-content" : "background-work-panel",
+  );
+  if (options.compact) await waitForSettledPosition(panel);
+  return panel;
+}
+
+async function openBackgroundWork(page: Page, compact: boolean): Promise<void> {
+  const panel = await openBackgroundInventory(page, { compact, count: 1, timeout: 30_000 });
+  await expect(panel).toContainText(/sleep 120/);
+}
+
+async function expectBackgroundItems(
+  panel: Locator,
+  selected: string,
+  sibling: string,
+): Promise<void> {
+  await expect(panel).toContainText(selected);
+  await expect(panel).toContainText(sibling);
+}
+
+async function stopBackgroundItem(panel: Locator, selected: string): Promise<void> {
+  const escaped = selected.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+  await panel.getByRole("button", { name: new RegExp(`Stop .*${escaped}`) }).click();
+}
+
+async function expectStoppedItemAndSibling(
+  panel: Locator,
+  selected: string,
+  sibling: string,
+): Promise<void> {
+  await expect(panel).not.toContainText(selected, { timeout: 40_000 });
+  await expect(panel).toContainText(sibling);
+}
+
+async function closeBackgroundWork(page: Page, compact: boolean): Promise<void> {
+  const panel = page.getByTestId(
+    compact ? "background-work-panel-content" : "background-work-panel",
+  );
+  if (compact) {
+    await page
+      .getByRole("button", { name: "Bottom sheet backdrop" })
+      .click({ position: { x: 12, y: 12 } });
+  } else {
+    await page.keyboard.press("Escape");
+  }
+  await expect(panel).toBeHidden();
+}
+
+async function expectBackgroundAgentRunning(page: Page): Promise<void> {
+  await expect(page.getByTestId("workspace-status-indicator-running").first()).toBeVisible();
+  await expect(page.getByRole("button", { name: "Stop agent", exact: true })).toHaveCount(0);
+}
+
+async function expectAssistantReply(page: Page, text: string): Promise<void> {
+  await expect(page.getByTestId("assistant-message").filter({ hasText: text }).last()).toBeVisible({
+    timeout: 120_000,
+  });
+}
+
+async function expectBackgroundPill(page: Page): Promise<void> {
+  await expect(page.getByRole("button", { name: "1 background task" })).toBeVisible();
+}
+
+async function expectBackgroundWorkOnAnotherClient(page: Page): Promise<void> {
+  const another = await page.context().newPage();
+  try {
+    await another.goto(page.url());
+    await openBackgroundWork(another, false);
+  } finally {
+    await another.close();
+  }
+}
+
+async function startBackgroundWorkWithoutOpeningPane(workspace: SeededWorkspace): Promise<void> {
+  const agent = await workspace.client.createAgent({
+    provider: "claude",
+    model: "haiku",
+    modeId: "bypassPermissions",
+    cwd: workspace.workspaceDirectory,
+    workspaceId: workspace.workspaceId,
+    title: "Background work before opening",
+  });
+  await workspace.client.sendAgentMessage(
+    agent.id,
+    "Use Bash with run_in_background to run exactly sleep 120. Do not wait for it. Reply SPAWNED immediately.",
+  );
+  const result = await workspace.client.waitForFinish(agent.id, 120_000);
+  expect(result.status).toBe("idle");
+}
+
+async function expectWorkspaceRunning(page: Page, workspaceId: string): Promise<void> {
+  const row = page.getByTestId(`sidebar-workspace-row-${getServerId()}:${workspaceId}`);
+  await expect(row.getByTestId("workspace-status-indicator-running")).toBeVisible({
+    timeout: 30_000,
+  });
+}
+
+test("Claude keeps background work visible while accepting another turn", async ({ page }) => {
+  test.setTimeout(300_000);
+  const cwd = realpathSync(mkdtempSync(path.join(tmpdir(), "paseo-background-work-")));
+  let handle: AgentHandle | undefined;
+  try {
+    handle = await launchAgent({ page, provider: "claude", cwd, mode: "full-access" });
+    await sendMessage(
+      handle,
+      "Use Bash with run_in_background to run exactly sleep 120. Do not wait for it. Reply SPAWNED immediately.",
+    );
+    await expectBackgroundAgentRunning(page);
+    await openBackgroundWork(page, false);
+    await page.screenshot({
+      path: path.resolve("../../.artifacts/phase1-claude-background.png"),
+      animations: "disabled",
+    });
+    await closeBackgroundWork(page, false);
+    await sendMessage(handle, "Reply exactly HELLO without stopping the background command.");
+    await expectBackgroundPill(page);
+    await expectBackgroundWorkOnAnotherClient(page);
+  } finally {
+    await cleanupRewindFlow({ handle, cwd });
+  }
+});
+
+test("Claude background work remains readable in dark mode", async ({ page }) => {
+  test.setTimeout(300_000);
+  await page.addInitScript(() => {
+    localStorage.setItem("@paseo:app-settings", JSON.stringify({ theme: "pureBlack" }));
+  });
+  const cwd = realpathSync(mkdtempSync(path.join(tmpdir(), "paseo-background-dark-")));
+  let handle: AgentHandle | undefined;
+  try {
+    handle = await launchAgent({ page, provider: "claude", cwd, mode: "full-access" });
+    await sendMessage(
+      handle,
+      "Use Bash with run_in_background to run exactly sleep 120. Do not wait for it. Reply SPAWNED immediately.",
+    );
+    await openBackgroundWork(page, false);
+    await page.screenshot({
+      path: path.resolve("../../.artifacts/review-background-dark.png"),
+      animations: "disabled",
+    });
+  } finally {
+    await cleanupRewindFlow({ handle, cwd });
+  }
+});
+
+test("Claude background work opens in a compact sheet", async ({ page }) => {
+  test.setTimeout(300_000);
+  await page.setViewportSize({ width: 390, height: 844 });
+  const cwd = realpathSync(mkdtempSync(path.join(tmpdir(), "paseo-background-compact-")));
+  let handle: AgentHandle | undefined;
+  try {
+    handle = await launchAgent({ page, provider: "claude", cwd, mode: "full-access" });
+    await submitMessageWithButton(
+      page,
+      "Use Bash with run_in_background to run exactly sleep 120. Do not wait for it. Reply SPAWNED immediately.",
+    );
+    await expectAssistantReply(page, "SPAWNED");
+    await openBackgroundWork(page, true);
+    await page.screenshot({
+      path: path.resolve("../../.artifacts/phase1-claude-compact.png"),
+      animations: "disabled",
+    });
+    await closeBackgroundWork(page, true);
+    await submitMessageWithButton(
+      page,
+      "Reply exactly HELLO without stopping the background command.",
+    );
+    await expectAssistantReply(page, "HELLO");
+    await expectBackgroundPill(page);
+  } finally {
+    await cleanupRewindFlow({ handle, cwd });
+  }
+});
+
+test("background work updates the sidebar before the agent is opened", async ({ page }) => {
+  test.setTimeout(300_000);
+  const workspace = await seedWorkspace({ repoPrefix: "background-unopened-" });
+  try {
+    await gotoAppShell(page);
+    await expect(
+      page.getByTestId(`sidebar-workspace-row-${getServerId()}:${workspace.workspaceId}`),
+    ).toBeVisible();
+    await startBackgroundWorkWithoutOpeningPane(workspace);
+    await expectWorkspaceRunning(page, workspace.workspaceId);
+  } finally {
+    await workspace.cleanup();
+  }
+});
+
+test("Codex keeps a live command visible after its turn", async ({ page }) => {
+  test.setTimeout(300_000);
+  const cwd = realpathSync(mkdtempSync(path.join(tmpdir(), "paseo-codex-background-")));
+  let handle: AgentHandle | undefined;
+  try {
+    handle = await launchAgent({
+      page,
+      provider: "codex",
+      cwd,
+      mode: "full-access",
+      providerConfig: { model: "gpt-6-astra" },
+    });
+    await sendMessage(
+      handle,
+      "Use exec_command to run sleep 120 with yield_time_ms 1000. Do not wait for or stop it. Reply SPAWNED immediately.",
+    );
+    await expectBackgroundAgentRunning(page);
+    await openBackgroundWork(page, false);
+    await page.screenshot({
+      path: path.resolve("../../.artifacts/phase2-codex-background.png"),
+      animations: "disabled",
+    });
+    await closeBackgroundWork(page, false);
+    await sendMessage(handle, "Reply exactly HELLO without stopping the background command.");
+    await expectBackgroundPill(page);
+    await expectBackgroundWorkOnAnotherClient(page);
+  } finally {
+    await cleanupRewindFlow({ handle, cwd });
+  }
+});
+
+test("OpenCode keeps a live command visible after its turn", async ({ page }) => {
+  test.setTimeout(300_000);
+  const cwd = realpathSync(mkdtempSync(path.join(tmpdir(), "paseo-opencode-background-")));
+  let handle: AgentHandle | undefined;
+  try {
+    handle = await launchAgent({
+      page,
+      provider: "opencode",
+      cwd,
+      mode: "full-access",
+      providerConfig: { model: "openrouter/google/gemini-3.6-flash" },
+    });
+    await sendMessage(
+      handle,
+      "Use the shell tool with background true to run sleep 120. Do not wait or stop it. Reply SPAWNED immediately.",
+    );
+    await expectBackgroundAgentRunning(page);
+    await openBackgroundWork(page, false);
+    await page.screenshot({
+      path: path.resolve("../../.artifacts/phase2-opencode-background.png"),
+      animations: "disabled",
+    });
+    await closeBackgroundWork(page, false);
+    await sendMessage(handle, "Reply exactly HELLO without stopping the background command.");
+    await expectBackgroundPill(page);
+    await expectBackgroundWorkOnAnotherClient(page);
+  } finally {
+    await cleanupRewindFlow({ handle, cwd });
+  }
+});
+
+for (const scenario of [
+  {
+    provider: "claude" as const,
+    prompt:
+      "Use Bash with run_in_background to start sleep 180 and sleep 181 as two separate background commands. Do not wait for them. Reply SPAWNED immediately.",
+    providerConfig: { model: "haiku" },
+  },
+  {
+    provider: "codex" as const,
+    prompt:
+      "Use exec_command twice to start sleep 180 and sleep 181 separately with yield_time_ms 1000. Do not wait for or stop either process. Reply SPAWNED immediately.",
+    providerConfig: { model: "gpt-6-astra" },
+  },
+  {
+    provider: "opencode" as const,
+    prompt:
+      "Use the shell tool twice with background true: start sleep 180, then start sleep 181. Do not wait for or stop either. Reply SPAWNED immediately.",
+    providerConfig: { model: "openrouter/google/gemini-3.6-flash" },
+  },
+]) {
+  test(`${scenario.provider} stops selected background work after the turn`, async ({ page }) => {
+    test.setTimeout(300_000);
+    mkdirSync(path.resolve("../../.artifacts"), { recursive: true });
+    const cwd = realpathSync(mkdtempSync(path.resolve("../../.artifacts/phase3-qa-workspace-")));
+    let handle: AgentHandle | undefined;
+    try {
+      handle = await launchAgent({
+        page,
+        provider: scenario.provider,
+        cwd,
+        mode: "full-access",
+        providerConfig: scenario.providerConfig,
+      });
+      await sendMessage(handle, scenario.prompt);
+      const panel = await openBackgroundInventory(page, {
+        compact: false,
+        count: 2,
+        timeout: 60_000,
+      });
+      await expectBackgroundItems(panel, "sleep 180", "sleep 181");
+      await stopBackgroundItem(panel, "sleep 180");
+      await expectStoppedItemAndSibling(panel, "sleep 180", "sleep 181");
+      await page.screenshot({
+        path: path.resolve(`../../.artifacts/phase3-${scenario.provider}-stop.png`),
+        animations: "disabled",
+      });
+      await page.keyboard.press("Escape");
+      await sendMessage(handle, "Reply exactly HELLO without stopping the background command.");
+      await expectBackgroundPill(page);
+    } finally {
+      await cleanupRewindFlow({ handle, cwd });
+    }
+  });
+}
+
+test("Claude stops a selected monitor in the compact sheet", async ({ page }) => {
+  test.setTimeout(300_000);
+  await page.setViewportSize({ width: 390, height: 844 });
+  mkdirSync(path.resolve("../../.artifacts"), { recursive: true });
+  const cwd = realpathSync(mkdtempSync(path.resolve("../../.artifacts/phase3-monitor-workspace-")));
+  let handle: AgentHandle | undefined;
+  try {
+    handle = await launchAgent({
+      page,
+      provider: "claude",
+      cwd,
+      mode: "full-access",
+      providerConfig: { model: "opus" },
+    });
+    await submitMessageWithButton(
+      page,
+      'Use exactly two separate Monitor tool calls, each with command `sleep 150`, timeout_ms 150000, persistent false, descriptions "probe monitor one" and "probe monitor two". Launch both independently, do not wait, then reply SPAWNED. Do not use any other tools.',
+    );
+    await expectAssistantReply(page, "SPAWNED");
+    const panel = await openBackgroundInventory(page, { compact: true, count: 2, timeout: 30_000 });
+    await expectBackgroundItems(panel, "probe monitor one", "probe monitor two");
+    await expect(panel.getByText("sleep 150", { exact: true })).toHaveCount(2);
+    await page.screenshot({
+      path: path.resolve("../../.artifacts/refinement-monitor-compact.png"),
+      animations: "disabled",
+    });
+    await stopBackgroundItem(panel, "probe monitor one");
+    await expectStoppedItemAndSibling(panel, "probe monitor one", "probe monitor two");
+    await page.screenshot({
+      path: path.resolve("../../.artifacts/phase3-claude-monitor-compact.png"),
+      animations: "disabled",
+    });
+    await closeBackgroundWork(page, true);
+    await submitMessageWithButton(
+      page,
+      "Reply exactly HELLO without stopping the background monitor.",
+    );
+    await expectAssistantReply(page, "HELLO");
+    await expectBackgroundPill(page);
+    await handle.client.sendAgentMessage(
+      handle.agentId,
+      "Use Bash to run sleep 20 in the foreground, then reply WAITED.",
+    );
+    await expect(page.getByRole("button", { name: "Stop agent", exact: true })).toBeVisible({
+      timeout: 30_000,
+    });
+    await handle.client.sendAgentMessage(
+      handle.agentId,
+      "Reply exactly INTERRUPTED without stopping the background monitor.",
+      { activeTurnBehavior: "interrupt" },
+    );
+    expect((await handle.client.waitForFinish(handle.agentId, 120_000)).status).toBe("idle");
+    await expectBackgroundPill(page);
+    await expect
+      .poll(async () => handle!.client.listAgentBackgroundWork(handle!.agentId))
+      .toEqual(
+        expect.arrayContaining([
+          expect.objectContaining({ description: "probe monitor two", kind: "monitor" }),
+        ]),
+      );
+  } finally {
+    await cleanupRewindFlow({ handle, cwd });
+  }
+});
+
+test("Claude shows monitor description and command in the wide track", async ({ page }) => {
+  test.setTimeout(300_000);
+  const cwd = realpathSync(
+    mkdtempSync(path.resolve("../../.artifacts/refinement-wide-workspace-")),
+  );
+  let handle: AgentHandle | undefined;
+  try {
+    handle = await launchAgent({
+      page,
+      provider: "claude",
+      cwd,
+      mode: "full-access",
+      providerConfig: { model: "opus" },
+    });
+    await sendMessage(
+      handle,
+      'Use Monitor with command `sleep 150`, timeout_ms 150000, persistent false, description "Watch the build". Do not wait; reply SPAWNED. Do not use other tools.',
+    );
+    await expectBackgroundAgentRunning(page);
+    const workspaceRow = page.getByTestId(
+      `sidebar-workspace-row-${getServerId()}:${handle.workspaceId}`,
+    );
+    await workspaceRow.scrollIntoViewIfNeeded();
+    await expect(workspaceRow.getByTestId("workspace-status-indicator-running")).toBeVisible();
+    const panel = await openBackgroundInventory(page, {
+      compact: false,
+      count: 1,
+      timeout: 30_000,
+    });
+    await expect(panel).toContainText("Watch the build");
+    await expect(panel).toContainText("sleep 150");
+    await expect(panel.getByRole("button", { name: "Stop Watch the build" })).toBeVisible();
+    await page.screenshot({
+      path: path.resolve("../../.artifacts/refinement-monitor-wide.png"),
+      animations: "disabled",
+    });
+  } finally {
+    await cleanupRewindFlow({ handle, cwd });
+  }
+});

packages/app/e2e/browser/question-prompt-pagination.spec.ts

@@ -108,10 +108,7 @@ test.describe("Question option text", () => {
     }
   });
 
-  test("selecting description text never answers, and the label still does", async ({
-    page,
-    context,
-  }) => {
+  test("selecting description text keeps the question open", async ({ page, context }) => {
     test.setTimeout(180_000);
     const { session, card } = await openLinkedQuestions(page, context);
     try {
@@ -120,16 +117,13 @@ test.describe("Question option text", () => {
 
       await dragAcross(page, description);
       await expect.poll(() => selectedText(page)).toBe(DONE_DESCRIPTION);
-      await expectChecked(done, false);
-
       await description.getByText("Logs are at", { exact: false }).dblclick({
         position: { x: 4, y: 4 },
       });
       await expect.poll(() => selectedText(page)).toBe("Logs");
       await expectCurrentQuestion(page, { index: 1, total: 2, question: LINKED_QUESTION });
-      await expectChecked(done, false);
-
-      await done.getByText("Done", { exact: true }).click();
+      await expectChecked(done, true);
+      await continueToNextQuestion(page);
       await expectCurrentQuestion(page, { index: 2, total: 2, question: CHECKS_QUESTION });
       await openQuestion(page, { index: 1, total: 2 });
       await expectChecked(done, true);
@@ -138,11 +132,17 @@ test.describe("Question option text", () => {
     }
   });
 
-  test("double-clicking a single-select label answers once", async ({ page, context }) => {
+  test("double-clicking a single-select label selects once without advancing", async ({
+    page,
+    context,
+  }) => {
     test.setTimeout(180_000);
     const { session, card } = await openLinkedQuestions(page, context);
     try {
       await card.getByRole("radio", { name: "Done" }).getByText("Done", { exact: true }).dblclick();
+      await expectCurrentQuestion(page, { index: 1, total: 2, question: LINKED_QUESTION });
+      await expectChecked(card.getByRole("radio", { name: "Done" }), true);
+      await continueToNextQuestion(page);
 
       await expectCurrentQuestion(page, { index: 2, total: 2, question: CHECKS_QUESTION });
       await expectChecked(card.getByRole("checkbox", { name: "Lint" }), false);
@@ -154,14 +154,12 @@ test.describe("Question option text", () => {
     }
   });
 
-  test("multi-select description links and selection leave the option unchanged", async ({
-    page,
-    context,
-  }) => {
+  test("multi-select descriptions support links and text selection", async ({ page, context }) => {
     test.setTimeout(180_000);
     const { session, card } = await openLinkedQuestions(page, context);
     try {
       await card.getByRole("radio", { name: "Done" }).getByText("Done", { exact: true }).click();
+      await continueToNextQuestion(page);
       await expectCurrentQuestion(page, { index: 2, total: 2, question: CHECKS_QUESTION });
 
       const lint = card.getByRole("checkbox", { name: "Lint" });
@@ -177,18 +175,16 @@ test.describe("Question option text", () => {
 
       await dragAcross(page, description);
       await expect.poll(() => selectedText(page)).toBe(LINT_DESCRIPTION);
-      await expectChecked(lint, false);
-
       await description.getByText("Rules:", { exact: false }).dblclick({
         position: { x: 4, y: 4 },
       });
       await expect.poll(() => selectedText(page)).toBe("Rules");
-      await expectChecked(lint, false);
+      await expectChecked(lint, true);
 
       await typecheck.getByText("Typecheck", { exact: true }).dblclick();
       await expectChecked(typecheck, true);
       await lint.getByText("Lint", { exact: true }).click();
-      await expectChecked(lint, true);
+      await expectChecked(lint, false);
     } finally {
       await session.cleanup();
     }
@@ -268,6 +264,7 @@ test.describe("Question prompt pagination", () => {
       await expectQuestionHidden(page, SUCCESS_QUESTION);
 
       await chooseQuestionOption(page, "App");
+      await continueToNextQuestion(page);
       await expectCurrentQuestion(page, {
         index: 2,
         total: TOTAL_QUESTIONS,
@@ -288,6 +285,7 @@ test.describe("Question prompt pagination", () => {
         preview: 'flags.enabled("new-surface")',
       });
       await chooseQuestionOption(page, "Behind feature flag");
+      await continueToNextQuestion(page);
       await expectCurrentQuestion(page, {
         index: 3,
         total: TOTAL_QUESTIONS,
@@ -466,7 +464,9 @@ retryTest(
     retryTest.setTimeout(180_000);
     const card = page.getByTestId("question-form-card");
     await chooseQuestionOption(page, "App");
+    await continueToNextQuestion(page);
     await chooseQuestionOption(page, "Behind feature flag");
+    await continueToNextQuestion(page);
     await fillQuestionAnswer(page, {
       question: SUCCESS_QUESTION,
       answer: "Preserve my answers after a failed submission.",
@@ -520,7 +520,9 @@ retryTest(
     const card = page.getByTestId("question-form-card");
     questionClient.releaseFirstResponse();
     await chooseQuestionOption(page, "App");
+    await continueToNextQuestion(page);
     await chooseQuestionOption(page, "Behind feature flag");
+    await continueToNextQuestion(page);
     await fillQuestionAnswer(page, {
       question: SUCCESS_QUESTION,
       answer: "Start with the internal team.",

packages/app/e2e/browser/sessions-search.spec.ts

@@ -60,6 +60,15 @@ async function verifyChronologicalFiltering(page: Page): Promise<void> {
   });
 }
 
+async function verifyHistorySurvivesReload(page: Page): Promise<void> {
+  await test.step("reloads History without visiting a workspace to reconnect", async () => {
+    await expectVisibleTitles(page, [TITLES.unbilled, TITLES.billing, TITLES.terminal]);
+    await page.reload();
+    await expectVisibleTitles(page, [TITLES.unbilled, TITLES.billing, TITLES.terminal]);
+    await expect(page.getByTestId("sessions-host-errors")).toBeHidden();
+  });
+}
+
 async function verifyRecencyBeforeMatchStrength(page: Page): Promise<void> {
   await test.step("keeps newer partial matches before older stronger matches", async () => {
     await search(page, `${NONCE} bill`);
@@ -151,6 +160,8 @@ test.describe("History search", () => {
 
       await verifyChronologicalFiltering(page);
 
+      await verifyHistorySurvivesReload(page);
+
       await verifyRecencyBeforeMatchStrength(page);
 
       await verifyExactAndTypoHighlights(page);

packages/app/e2e/browser/settings-host-page.spec.ts

@@ -1,3 +1,8 @@
+import {
+  openGlobalNewWorkspaceComposer,
+  fillNewWorkspaceDraft,
+  expectNewWorkspaceDraft,
+} from "../support/helpers/new-workspace";
 import { readFile, mkdir, rename, rm } from "node:fs/promises";
 import path from "node:path";
 import type { DaemonClient } from "@getpaseo/client/internal/daemon-client";
@@ -257,12 +262,15 @@ test.describe("Settings host page", () => {
   });
 });
 
-test("restart recovery host controls persist the opt-out and custom prompt", async ({ page }) => {
+test("restart recovery defaults off and persists opt-in and custom prompt", async ({ page }) => {
   const serverId = getServerId();
   await gotoAppShell(page);
   await openSettings(page);
   await openSettingsHost(page, serverId);
   await openHostSection(page, serverId, "agents");
+  await expectRestartRecoveryEnabled(page, false);
+  await setRestartRecoveryEnabled(page, true);
+  await page.reload();
   await expectRestartRecoveryEnabled(page, true);
   await expectRestartRecoveryPrompt(page, "Resume working.");
   await editRestartRecoveryPrompt(page, "Continue the interrupted work.");
@@ -273,3 +281,71 @@ test("restart recovery host controls persist the opt-out and custom prompt", asy
   await expectRestartRecoveryPrompt(page, "Continue the interrupted work.");
   await editRestartRecoveryPrompt(page, "Resume working.");
 });
+
+test("sidebar Add host preserves its caller and stays closed after theme changes", async ({
+  page,
+}) => {
+  await gotoAppShell(page);
+  await expect(page).toHaveURL(/\/open-project$/);
+  const originalUrl = page.url();
+  await openSidebarAddHost(page);
+  await expect(page).toHaveURL(originalUrl);
+  await closeAddHostAndChangeTheme(page);
+  await expect(page.getByRole("button", { name: "Direct connection", exact: true })).toBeHidden();
+  await expect(page).toHaveURL(originalUrl);
+});
+
+async function openSidebarAddHost(page: import("@playwright/test").Page) {
+  await page.getByRole("button", { name: "Hosts", exact: true }).click();
+  await page.getByRole("button", { name: "Add host", exact: true }).click();
+  await expect(page.getByRole("button", { name: "Direct connection", exact: true })).toBeVisible();
+}
+
+async function closeAddHostAndChangeTheme(page: import("@playwright/test").Page) {
+  await page.getByRole("button", { name: "Close", exact: true }).click();
+  await expect(page.getByRole("button", { name: "Direct connection", exact: true })).toBeHidden();
+  await page.keyboard.press("Control+Alt+t");
+}
+
+test("sidebar Add host completes without navigating", async ({ page }) => {
+  await gotoAppShell(page);
+  await expect(page).toHaveURL(/\/open-project$/);
+  const originalUrl = page.url();
+  await openSidebarAddHost(page);
+  await connectToTestHost(page);
+  await expect(page).toHaveURL(originalUrl);
+  await expect(page.getByRole("button", { name: "Hosts", exact: true })).toBeVisible();
+});
+
+test("Settings Add host opens the saved host Overview", async ({ page }) => {
+  await gotoAppShell(page);
+  await openSettings(page);
+  await addDirectHostFromSettings(page, { host: "127.0.0.1", port: Number(getE2EDaemonPort()) });
+  await expectSettingsHeader(page, "Overview");
+  await expect(page).toHaveURL(new RegExp(`/settings/hosts/${getServerId()}/host$`));
+});
+
+test("New workspace Add host preserves the prompt after connecting", async ({ page }) => {
+  await gotoAppShell(page);
+  await openGlobalNewWorkspaceComposer(page);
+  await fillNewWorkspaceDraft(page, "Keep this unfinished prompt while I add a host.");
+  const originalUrl = page.url();
+  await openNewWorkspaceAddHost(page);
+  await expect(page).toHaveURL(originalUrl);
+  await connectToTestHost(page);
+  await expect(page).toHaveURL(originalUrl);
+  await expectNewWorkspaceDraft(page, "Keep this unfinished prompt while I add a host.");
+});
+
+async function openNewWorkspaceAddHost(page: import("@playwright/test").Page) {
+  await page.getByTestId("host-picker-trigger").click();
+  await page.getByRole("button", { name: "Add host", exact: true }).click();
+}
+
+async function connectToTestHost(page: import("@playwright/test").Page) {
+  await page.getByRole("button", { name: "Direct connection", exact: true }).click();
+  await page.getByRole("textbox", { name: "Host", exact: true }).fill("127.0.0.1");
+  await page.getByRole("textbox", { name: "Port", exact: true }).fill(String(getE2EDaemonPort()));
+  await page.getByRole("button", { name: "Connect", exact: true }).click();
+  await expect(page.getByTestId("add-host-modal")).toBeHidden({ timeout: 30_000 });
+}

packages/app/e2e/browser/settings-navigation.spec.ts

@@ -38,6 +38,9 @@ import {
   fillDirectHostUri,
   expectDirectHostFormValues,
   expectDirectHostSslEnabled,
+  expectDirectHostSslDisabled,
+  fillDirectHostAddress,
+  toggleDirectHostSsl,
   expectDirectHostUriValue,
   expectDirectHostUriHidden,
   expectDiagnosticsContent,
@@ -92,66 +95,63 @@ test.describe("Settings sidebar scroll position", () => {
     await expectSettingsSidebarScrollOffset(page, offset);
   });
 
-  test("scrolls the sidebar and detail pane independently", async ({ page }) => {
-    await gotoAppShell(page);
-    await openSettings(page);
-    const sidebarOffset = await scrollSettingsSidebarToEnd(page);
-    await openSettingsHostSection(page, getServerId(), "providers");
-    await expect(page.getByTestId("host-page-providers-card")).toBeVisible();
-    const detailOffset = await scrollSettingsDetailDown(page);
-    await expectSettingsSidebarScrollOffset(page, sidebarOffset);
-
-    await scrollSettingsSidebarUp(page, 60);
-    await expectSettingsSidebarScrollOffset(page, sidebarOffset - 60);
-    await expectSettingsDetailScrollOffset(page, detailOffset);
-  });
-
-  test("keeps the sidebar position after rapid consecutive selections", async ({ page }) => {
-    await gotoAppShell(page);
-    await openSettings(page);
-
-    const scrollTop = await scrollSettingsSidebarToEnd(page);
-
-    await selectSettingsHostSectionsRapidly(page);
-    await expectSettingsSidebarScrollOffset(page, scrollTop);
-
-    await expectSettingsSidebarScrollSettled(page, scrollTop);
-  });
-
-  test("keeps the sidebar position when switching between app and host sections", async ({
+  test("keeps sidebar and detail scrolling independent through section changes", async ({
     page,
   }) => {
     await gotoAppShell(page);
     await openSettings(page);
 
-    const hostScrollTop = await scrollSettingsSidebarToEnd(page);
-    await expect(page.getByTestId("settings-host-section-providers")).toBeInViewport();
+    await test.step("scrolls the sidebar and detail pane independently", async () => {
+      const sidebarOffset = await scrollSettingsSidebarToEnd(page);
+      await openSettingsHostSection(page, getServerId(), "providers");
+      await expect(page.getByTestId("host-page-providers-card")).toBeVisible();
+      const detailOffset = await scrollSettingsDetailDown(page);
+      await expectSettingsSidebarScrollOffset(page, sidebarOffset);
 
-    for (const section of [
-      "providers",
-      "terminals",
-      "providers",
-      "terminals",
-      "providers",
-    ] as const) {
-      await openSettingsHostSection(page, getServerId(), section);
-      await expect(page.getByTestId("page-title")).toHaveText(
-        section === "providers" ? "Providers" : "Terminals",
-      );
-      await expectSettingsSidebarScrollOffset(page, hostScrollTop);
-    }
+      await scrollSettingsSidebarUp(page, 60);
+      await expectSettingsSidebarScrollOffset(page, sidebarOffset - 60);
+      await expectSettingsDetailScrollOffset(page, detailOffset);
+    });
 
-    const sidebar = page.getByTestId("settings-sidebar");
-    const appScrollTop = await revealSettingsSidebarSection(page, "diagnostics");
-    await expect(sidebar.getByRole("button", { name: "About", exact: true })).toBeInViewport();
+    await test.step("keeps the sidebar position after rapid consecutive selections", async () => {
+      const scrollTop = await scrollSettingsSidebarToEnd(page);
 
-    await openSettingsSection(page, "about");
-    await expectAboutContent(page);
-    await expectSettingsSidebarScrollOffset(page, appScrollTop);
+      await selectSettingsHostSectionsRapidly(page);
+      await expectSettingsSidebarScrollOffset(page, scrollTop);
 
-    await openSettingsSection(page, "diagnostics");
-    await expectDiagnosticsContent(page);
-    await expectSettingsSidebarScrollOffset(page, appScrollTop);
+      await expectSettingsSidebarScrollSettled(page, scrollTop);
+    });
+
+    await test.step("keeps the sidebar position when switching between app and host sections", async () => {
+      const hostScrollTop = await scrollSettingsSidebarToEnd(page);
+      await expect(page.getByTestId("settings-host-section-providers")).toBeInViewport();
+
+      for (const section of [
+        "providers",
+        "terminals",
+        "providers",
+        "terminals",
+        "providers",
+      ] as const) {
+        await openSettingsHostSection(page, getServerId(), section);
+        await expect(page.getByTestId("page-title")).toHaveText(
+          section === "providers" ? "Providers" : "Terminals",
+        );
+        await expectSettingsSidebarScrollOffset(page, hostScrollTop);
+      }
+
+      const sidebar = page.getByTestId("settings-sidebar");
+      const appScrollTop = await revealSettingsSidebarSection(page, "diagnostics");
+      await expect(sidebar.getByRole("button", { name: "About", exact: true })).toBeInViewport();
+
+      await openSettingsSection(page, "about");
+      await expectAboutContent(page);
+      await expectSettingsSidebarScrollOffset(page, appScrollTop);
+
+      await openSettingsSection(page, "diagnostics");
+      await expectDiagnosticsContent(page);
+      await expectSettingsSidebarScrollOffset(page, appScrollTop);
+    });
   });
 });
 
@@ -284,6 +284,16 @@ test.describe("Settings sidebar navigation", () => {
     await expectAddHostMethodOptions(page);
     await selectHostConnectionType(page, "direct");
 
+    await fillDirectHostAddress(page, "example.paseo.test", "7443");
+    await expectDirectHostSslDisabled(page);
+    await toggleDirectHostSsl(page);
+    await expectDirectHostSslEnabled(page);
+    await toggleHostAdvanced(page);
+    await expectDirectHostUriValue(page, "tcp://example.paseo.test:7443?ssl=true");
+    await toggleHostAdvanced(page);
+    await toggleDirectHostSsl(page);
+    await expectDirectHostSslDisabled(page);
+
     await toggleHostAdvanced(page);
     await fillDirectHostUri(page, "tcp://example.paseo.test:7443?ssl=true&password=shared-secret");
     await toggleHostAdvanced(page);
@@ -313,12 +323,12 @@ test.describe("Settings sidebar navigation", () => {
 
     await test.step("a dropdown owns Escape", async () => {
       await openSettingsSection(page, "appearance");
-      await page.getByLabel(/Theme:/).click();
-      await expect(page.getByRole("menuitem", { name: "System", exact: true })).toBeVisible();
+      await page.getByLabel(/Highlight theme:/).click();
+      await expect(page.getByRole("menuitem", { name: "GitHub", exact: true })).toBeVisible();
 
       await page.keyboard.press("Escape");
 
-      await expect(page.getByRole("menuitem", { name: "System", exact: true })).toHaveCount(0);
+      await expect(page.getByRole("menuitem", { name: "GitHub", exact: true })).toHaveCount(0);
       await expect(page).toHaveURL(/\/settings(\/|$)/);
     });
 

packages/app/e2e/browser/sidebar-footer-overflow.spec.ts

@@ -0,0 +1,127 @@
+import { expect, test } from "../support/fixtures";
+import { addProjectFlow } from "../support/helpers/add-project-flow";
+import { gotoAppShell } from "../support/helpers/app";
+import {
+  chooseFooterOverflowAction,
+  expectFooterLine,
+  expectFooterMenusInsideViewport,
+  expectFooterNeverClipped,
+  expectFooterOverflowActions,
+  footerOverflowMenu,
+  openFooterOverflow,
+  seedDockedSidebarWidth,
+  watchFooterClipping,
+} from "../support/helpers/sidebar-footer-overflow";
+import { addOfflineHostsAndReload } from "../support/helpers/hosts";
+import { openCompactSidebar } from "../support/helpers/usage-sidebar-item";
+
+const TOUCH_CONTROL = 44;
+const MIN_SIDEBAR_WIDTH = 200;
+const ALL_INLINE = [
+  "sidebar-add-project",
+  "sidebar-usage-icon",
+  "sidebar-hosts-trigger",
+  "sidebar-help",
+  "sidebar-settings",
+];
+// Five 44pt buttons and the row's padding need 236pt; 200pt holds three and the caret.
+const NARROW_TOUCH_LINE = [
+  "sidebar-add-project",
+  "sidebar-hosts-trigger",
+  "sidebar-footer-overflow",
+  "sidebar-settings",
+];
+
+test.describe("Sidebar footer on a touch screen", () => {
+  test.use({ viewport: { width: 1280, height: 800 }, hasTouch: true });
+
+  test("a narrow docked sidebar moves the actions it can't fit behind a caret", async ({
+    page,
+  }) => {
+    await seedDockedSidebarWidth(page, MIN_SIDEBAR_WIDTH);
+    await watchFooterClipping(page);
+    await gotoAppShell(page);
+    await expectFooterLine(page, { testIDs: NARROW_TOUCH_LINE, controlSize: TOUCH_CONTROL });
+    await expectFooterNeverClipped(page);
+
+    await test.step("Help opens as a page of the overflow menu", async () => {
+      await openFooterOverflow(page);
+      await expectFooterOverflowActions(page, ["Usage", "Help and support"]);
+      await chooseFooterOverflowAction(page, "Help and support");
+      await expect(page.getByRole("menuitem", { name: "What's new" })).toBeVisible();
+      await expect(page.getByTestId("sidebar-help-menu")).toHaveCount(0);
+      await page.keyboard.press("Escape");
+      await expect(footerOverflowMenu(page)).toBeHidden();
+    });
+
+    await test.step("Usage opens from the overflow menu", async () => {
+      await openFooterOverflow(page);
+      await chooseFooterOverflowAction(page, "Usage");
+      await expect(footerOverflowMenu(page)).toBeHidden();
+      await expect(page.getByTestId("usage-modal")).toBeVisible();
+      await page.keyboard.press("Escape");
+      await expect(page.getByTestId("usage-modal")).toBeHidden();
+    });
+
+    await test.step("Add project and Settings shortcuts still work", async () => {
+      await page.keyboard.press("Control+o");
+      await expect(addProjectFlow(page)).toBeVisible();
+      await page.keyboard.press("Escape");
+      await expect(addProjectFlow(page)).toBeHidden();
+      await page.keyboard.press("Control+,");
+      await expect(page).toHaveURL(/\/settings\/general$/);
+    });
+  });
+
+  test("the default sidebar width keeps all five actions inline", async ({ page }) => {
+    await gotoAppShell(page);
+    await expectFooterLine(page, { testIDs: ALL_INLINE, controlSize: TOUCH_CONTROL });
+  });
+});
+
+test.describe("Sidebar footer in a compact overlay narrower than the footer", () => {
+  test.use({ viewport: { width: 220, height: 800 }, hasTouch: true });
+
+  test("the overflow menu reaches the hidden actions", async ({ page }) => {
+    await watchFooterClipping(page);
+    await gotoAppShell(page);
+    await openCompactSidebar(page);
+    await expectFooterLine(page, { testIDs: NARROW_TOUCH_LINE, controlSize: TOUCH_CONTROL });
+    await expectFooterNeverClipped(page);
+    await openFooterOverflow(page);
+    await expectFooterOverflowActions(page, ["Usage", "Help and support"]);
+    await expectFooterMenusInsideViewport(page);
+  });
+});
+
+test.describe("Sidebar footer on a short, narrow phone", () => {
+  // 164pt for buttons holds Settings, Add project and the caret, so Hosts moves behind it.
+  test.use({ viewport: { width: 180, height: 360 }, hasTouch: true });
+
+  test("the overflow Hosts page scrolls to its last host and Add host", async ({ page }) => {
+    await gotoAppShell(page);
+    await addOfflineHostsAndReload(
+      page,
+      Array.from({ length: 10 }, (_, index) => ({
+        serverId: `overflow-host-${index}`,
+        label: `Overflow host ${index}`,
+      })),
+    );
+    await openCompactSidebar(page);
+    await expectFooterLine(page, {
+      testIDs: ["sidebar-add-project", "sidebar-footer-overflow", "sidebar-settings"],
+      controlSize: TOUCH_CONTROL,
+    });
+    await openFooterOverflow(page);
+    await expectFooterOverflowActions(page, ["Usage", "Hosts", "Help and support"]);
+    await expectFooterMenusInsideViewport(page);
+    await chooseFooterOverflowAction(page, "Hosts");
+    await expectFooterMenusInsideViewport(page);
+    const addHost = page.getByRole("menuitem", { name: "Add host" });
+    await addHost.scrollIntoViewIfNeeded();
+    await expect(page.getByRole("menuitem", { name: "Overflow host 9" })).toBeVisible();
+    await expect(addHost).toBeInViewport();
+    await addHost.click();
+    await expect(page.getByText("Add connection", { exact: true })).toBeVisible();
+  });
+});

packages/app/e2e/browser/sidebar-nav-settings.spec.ts

@@ -97,6 +97,7 @@ test("fixed footer line keeps its five icons, Help and Settings at the end", asy
   await setFooterItemVisible(page, "usage", true);
   await leaveSettings(page);
   await page.setViewportSize({ width: 390, height: 844 });
+  await openCompactSidebar(page);
   await expectCompactSidebarOpen(page);
   await expectFooterSeparator(page, true);
   await expectFooterIconRow(page);

packages/app/e2e/browser/sidebar-reorder.spec.ts

@@ -426,3 +426,81 @@ test("Manual restores pre-beta order and keeps drag order across sorting and rel
     await seed.cleanup();
   }
 });
+
+function workspaceRows(page: Page, ids: string[]) {
+  return page.locator(
+    ids.map((id) => `[data-testid="sidebar-workspace-row-${getServerId()}:${id}"]`).join(", "),
+  );
+}
+
+async function openWorkspaceRow(page: Page, workspaceId: string) {
+  await page.getByTestId(`sidebar-workspace-row-${getServerId()}:${workspaceId}`).click();
+  await expect(page).toHaveURL(new RegExp(`/workspace/${workspaceId}`));
+}
+
+test("collapsed groups lead with the open workspace instead of hiding it behind Show more", async ({
+  page,
+}) => {
+  test.setTimeout(120_000);
+  const { seed, ids } = await seedCompactProject();
+  try {
+    await gotoAppShell(page);
+    await waitForSidebarHydration(page);
+    await selectWorkspaceSort(page, "Created");
+    const { rows, group } = compactProjectRows(page, seed);
+    await expectWorkspaceOrder(rows, ids.slice(0, 7));
+    await revealWorkspaces(group, "Show more");
+    await openWorkspaceRow(page, ids[9]!);
+    await expectWorkspaceOrder(rows, ids);
+    await revealWorkspaces(group, "Show less");
+    await expectWorkspaceOrder(rows, [ids[9]!, ...ids.slice(0, 7)]);
+    await expect(
+      page.getByTestId(`sidebar-workspace-row-${getServerId()}:${ids[9]!}`),
+    ).toHaveAttribute("aria-selected", "true");
+    await reconnectSidebar(page);
+    await expectWorkspaceOrder(rows, [ids[9]!, ...ids.slice(0, 7)]);
+    await expect(
+      page.getByTestId(`sidebar-workspace-row-${getServerId()}:${ids[9]!}`),
+    ).toHaveAttribute("aria-selected", "true");
+    await openWorkspaceRow(page, ids[2]!);
+    await expectWorkspaceOrder(rows, ids.slice(0, 7));
+    await expect(
+      page.getByTestId(`sidebar-workspace-row-${getServerId()}:${ids[2]!}`),
+    ).toHaveAttribute("aria-selected", "true");
+  } finally {
+    await seed.cleanup();
+  }
+});
+
+test("a Manual drag in a collapsed group keeps the open workspace's saved place", async ({
+  page,
+}) => {
+  test.setTimeout(120_000);
+  const { seed, ids } = await seedCompactProject();
+  try {
+    await gotoAppShell(page);
+    await waitForSidebarHydration(page);
+    const projectKey = projectEquivalenceViewKey(seed.projectKey);
+    await restorePreBetaOrder(
+      page,
+      projectKey,
+      ids.map((id) => `${getServerId()}:${id}`),
+    );
+    await selectWorkspaceSort(page, "Manual");
+    const rows = workspaceRows(page, ids);
+    const toggle = page.getByTestId(`sidebar-project-show-more-${projectKey}`);
+    await expectWorkspaceOrder(rows, ids.slice(0, 7));
+    await toggle.click();
+    await openWorkspaceRow(page, ids[9]!);
+    await toggle.click();
+    await expectWorkspaceOrder(rows, [ids[9]!, ...ids.slice(0, 7)]);
+    await quickDragFirstRowAfterSecond(workspaceRows(page, [ids[0]!, ids[1]!]), pressWorkspaceRow);
+    await expectWorkspaceOrder(rows, [ids[9]!, ids[1]!, ids[0]!, ...ids.slice(2, 7)]);
+    await reconnectSidebar(page);
+    await expectWorkspaceOrder(rows, [ids[9]!, ids[1]!, ids[0]!, ...ids.slice(2, 7)]);
+    await toggle.click();
+    await expectWorkspaceOrder(rows, [ids[1]!, ids[0]!, ...ids.slice(2)]);
+  } finally {
+    await seed.cleanup();
+  }
+});

packages/app/e2e/browser/sidebar-views.spec.ts

@@ -0,0 +1,18 @@
+import { test } from "../support/fixtures";
+import { withSidebarViews } from "../support/helpers/sidebar-views";
+
+test("sidebar views replace the content, preserve chrome, and recover to the default", async ({
+  page,
+}) => {
+  test.setTimeout(150_000);
+  await withSidebarViews(page, async (views) => {
+    await views.expectDefault();
+    await views.chooseWorkspaces();
+    await views.exerciseExamples();
+    await views.exerciseTerminals();
+    await views.restoreDefault();
+    await views.recoverFromFailure();
+    await views.chooseWorkspaces();
+    await views.disableChosenView();
+  });
+});

packages/app/e2e/browser/sidebar-workspace-mark-unread.spec.ts

@@ -1,12 +1,13 @@
 import type { Page } from "@playwright/test";
 import { test as base, expect } from "../support/fixtures";
-import { gotoAppShell } from "../support/helpers/app";
 import {
   openAgentRoute,
   seedMockAgentWorkspace,
   type MockAgentWorkspace,
 } from "../support/helpers/mock-agent";
 import { expectOpenTabCount } from "../support/helpers/sheet";
+import { installDaemonWebSocketGate } from "../support/helpers/daemon-websocket-gate";
+import { expectReconnectingToastGone } from "../support/helpers/workspace-ui";
 import { getServerId } from "../support/helpers/server-id";
 import { closeMobileAgentSidebar, openMobileAgentSidebar } from "../support/helpers/sidebar";
 
@@ -101,11 +102,13 @@ async function leaveMarkedWorkspaceAndReopen(page: Page, { subject, other }: Fin
 }
 
 async function completeTurnAndLeave(page: Page, { subject, other }: FinishedWorkspaces) {
-  await test.step("ordinary completion still clears on departure", async () => {
+  await test.step("ordinary completion stays unread on departure and clears on return", async () => {
     await subject.client.sendAgentMessage(subject.agentId, "Finish another turn.");
     await subject.client.waitForFinish(subject.agentId, 20_000);
     await expectStatus(page, subject.workspaceId, "attention");
     await openWorkspace(page, other.workspaceId);
+    await expectStatus(page, subject.workspaceId, "attention");
+    await openWorkspace(page, subject.workspaceId);
     await expectStatus(page, subject.workspaceId, "done");
   });
 }
@@ -141,13 +144,15 @@ async function leaveMarkedWorkspaceAndReopenOnCompact(
 }
 
 async function completeTurnAndLeaveOnCompact(page: Page, { subject, other }: FinishedWorkspaces) {
-  await test.step("ordinary completion still clears on departure", async () => {
+  await test.step("ordinary completion stays unread on departure and clears on return", async () => {
     await closeMobileAgentSidebar(page);
     await subject.client.sendAgentMessage(subject.agentId, "Finish another turn.");
     await subject.client.waitForFinish(subject.agentId, 20_000);
     await openMobileAgentSidebar(page);
     await expectStatus(page, subject.workspaceId, "attention");
     await openWorkspaceOnCompact(page, other.workspaceId);
+    await expectStatus(page, subject.workspaceId, "attention");
+    await openWorkspaceOnCompact(page, subject.workspaceId);
     await expectStatus(page, subject.workspaceId, "done");
   });
 }
@@ -194,11 +199,12 @@ async function markUnreadThenResumeChat(page: Page, workspaceId: string) {
   });
 }
 
-test("manual unread survives departure and clears on reopening without changing normal completions", async ({
+test("manual unread survives departure and clears on reopening and ordinary completion survives departure", async ({
   page,
   workspaces,
 }) => {
-  await gotoAppShell(page);
+  await openAgentRoute(page, workspaces.subject);
+  await expect(page.getByText("Finish this turn.", { exact: true })).toBeVisible();
   await openWorkspace(page, workspaces.other.workspaceId);
   await markBackgroundWorkspaceAndReopen(page, workspaces.subject.workspaceId);
   await leaveMarkedWorkspaceAndRead(page, workspaces);
@@ -207,16 +213,19 @@ test("manual unread survives departure and clears on reopening without changing
   await markBackgroundWorkspaceAndRead(page, workspaces.subject.workspaceId);
 });
 
-test("clicking a multi-agent workspace reveals and clears its marked agent", async ({
+test("clicking a multi-agent workspace preserves its selected agent and leaves the other unread", async ({
   page,
   workspaces,
 }) => {
   await openAgentRoute(page, workspaces.subject);
+  await expect(page.getByText("Finish this turn.", { exact: true })).toBeVisible();
   await expectSelectedAgent(page, workspaces.subject.agentId);
   await openWorkspace(page, workspaces.other.workspaceId);
-  const newest = await addFinishedAgent(workspaces.subject);
-  await markBackgroundWorkspaceAndReopen(page, workspaces.subject.workspaceId);
-  await expectSelectedAgent(page, newest.id);
+  await addFinishedAgent(workspaces.subject);
+  await markAsUnread(page, workspaces.subject.workspaceId);
+  await openWorkspace(page, workspaces.subject.workspaceId);
+  await expectSelectedAgent(page, workspaces.subject.agentId);
+  await expectStatus(page, workspaces.subject.workspaceId, "attention");
 });
 
 test("manual unread survives leaving the current workspace on compact layout", async ({
@@ -230,7 +239,7 @@ test("manual unread survives leaving the current workspace on compact layout", a
   await completeTurnAndLeaveOnCompact(page, workspaces);
 });
 
-async function reopenMarkedWorkspaceAfterBackgroundTurn(page: Page, workspace: MockAgentWorkspace) {
+async function reopenWorkspaceAfterBackgroundTurn(page: Page, workspace: MockAgentWorkspace) {
   const route = page.url();
   // End this app session before the turn, so its cached transcript cannot contain the new prompt.
   await page.goto("about:blank");
@@ -265,9 +274,72 @@ test("reopening a marked unread workspace restores only its agent tab and curren
   await test.step("mark the current workspace unread, then close and reopen the app", async () => {
     await openMobileAgentSidebar(page);
     await markAsUnread(page, workspaces.subject.workspaceId);
-    await reopenMarkedWorkspaceAfterBackgroundTurn(page, workspaces.subject);
+    await reopenWorkspaceAfterBackgroundTurn(page, workspaces.subject);
   });
   await test.step("restore the main tab without Explorer entries and load its latest history", async () => {
     await expectRestoredCompactChat(page);
   });
 });
+
+test("clicking the already focused timeline acknowledges a new completion", async ({
+  page,
+  workspaces,
+}) => {
+  await openAgentRoute(page, workspaces.subject);
+  await expect(page.getByText("Finish this turn.", { exact: true })).toBeVisible();
+  await workspaces.subject.client.sendAgentMessage(
+    workspaces.subject.agentId,
+    "Finish another turn.",
+  );
+  await workspaces.subject.client.waitForFinish(workspaces.subject.agentId, 20_000);
+  await expectStatus(page, workspaces.subject.workspaceId, "attention");
+  await page.getByText("Finish another turn.", { exact: true }).click();
+  await expectStatus(page, workspaces.subject.workspaceId, "done");
+});
+
+async function reconnectWithoutInteracting(
+  page: Page,
+  gate: Awaited<ReturnType<typeof installDaemonWebSocketGate>>,
+  agentId: string,
+) {
+  await gate.drop();
+  await gate.waitForBlockedConnection();
+  gate.holdTimelineResponses(agentId);
+  gate.restore();
+  await gate.waitForHeldTimelineResponse();
+  await expectReconnectingToastGone(page);
+  gate.releaseHeldTimelineResponses();
+  await expect(page.getByRole("alert").filter({ hasText: "Updating messages" })).toHaveCount(0);
+}
+
+test("reconnecting a focused chat preserves its unread completion until another click", async ({
+  page,
+  workspaces,
+}) => {
+  const gate = await installDaemonWebSocketGate(page);
+  await openAgentRoute(page, workspaces.subject);
+  await expect(page.getByText("Finish this turn.", { exact: true })).toBeVisible();
+  await workspaces.subject.client.sendAgentMessage(
+    workspaces.subject.agentId,
+    "Unread across reconnect.",
+  );
+  await workspaces.subject.client.waitForFinish(workspaces.subject.agentId, 20_000);
+  await expectStatus(page, workspaces.subject.workspaceId, "attention");
+  await reconnectWithoutInteracting(page, gate, workspaces.subject.agentId);
+  await expectStatus(page, workspaces.subject.workspaceId, "attention");
+  await page.getByText("Unread across reconnect.", { exact: true }).click();
+  await expectStatus(page, workspaces.subject.workspaceId, "done");
+});
+
+test("a cached read chat acknowledges a completion that arrived while the app was closed", async ({
+  page,
+  workspaces,
+}) => {
+  await openCompactWorkspace(page, workspaces.subject);
+  await expectStatus(page, workspaces.subject.workspaceId, "done");
+  await closeMobileAgentSidebar(page);
+  await reopenWorkspaceAfterBackgroundTurn(page, workspaces.subject);
+  await expectRestoredCompactChat(page);
+  await openMobileAgentSidebar(page);
+  await expectStatus(page, workspaces.subject.workspaceId, "done");
+});

packages/app/e2e/browser/sidebar-workspace.spec.ts

@@ -6,6 +6,7 @@ import {
   closeMobileAgentSidebar,
   expectMobileAgentSidebarHidden,
   expectMobileAgentSidebarVisible,
+  expectOnlyWorkspaceHoverCardFor,
   expectWorkspaceHoverCardClosed,
   expectWorkspaceHoverCardOpen,
   expectWorkspaceHoverCardStaysOpen,
@@ -13,6 +14,8 @@ import {
   movePointerAwayFromWorkspaceHoverCard,
   openMobileAgentSidebar,
   pinWorkspaceFromSidebar,
+  scrollWorkspaceList,
+  sweepPointerAcrossWorkspaceRows,
 } from "../support/helpers/sidebar";
 import { seedWorkspace } from "../support/helpers/seed-client";
 import { expectWorkspaceHeader } from "../support/helpers/workspace-ui";
@@ -79,6 +82,22 @@ async function openWorkspaceHoverCard(page: import("@playwright/test").Page, wor
   return hoverCard;
 }
 
+async function sortWorkspacesBySidebarOrder<T extends { workspaceId: string }>(
+  page: Page,
+  workspaces: T[],
+): Promise<T[]> {
+  const positioned = await Promise.all(
+    workspaces.map(async (workspace) => {
+      const bounds = await page
+        .getByTestId(getWorkspaceRowTestId(workspace.workspaceId))
+        .boundingBox();
+      if (!bounds) throw new Error(`Could not measure the row of ${workspace.workspaceId}`);
+      return { workspace, y: bounds.y };
+    }),
+  );
+  return positioned.sort((left, right) => left.y - right.y).map(({ workspace }) => workspace);
+}
+
 interface PaseoOwnedWorktree {
   projectName: string;
   workspaceId: string;
@@ -429,6 +448,38 @@ test.describe("Sidebar workspace list", () => {
     }
   });
 
+  test("scanning up the workspace rows leaves only the resting row's hover card open", async ({
+    page,
+  }) => {
+    const workspaces = await Promise.all(
+      [1, 2, 3, 4, 5].map((index) =>
+        seedWorkspace({
+          repoPrefix: `sidebar-hover-scan-${index}-`,
+          title: `Hover scan ${index}`,
+        }),
+      ),
+    );
+
+    try {
+      await gotoAppShell(page);
+      for (const workspace of workspaces) {
+        await waitForSidebarWorkspace(page, workspace.workspaceId);
+      }
+      const rowsTopToBottom = await sortWorkspacesBySidebarOrder(page, workspaces);
+      const top = rowsTopToBottom[0]!;
+
+      for (let scan = 0; scan < 3; scan += 1) {
+        await sweepPointerAcrossWorkspaceRows(
+          page,
+          rowsTopToBottom.map((workspace) => workspace.workspaceId).toReversed(),
+        );
+        await expectOnlyWorkspaceHoverCardFor(page, top.workspaceName);
+      }
+    } finally {
+      await Promise.all(workspaces.map((workspace) => workspace.cleanup()));
+    }
+  });
+
   test("workspace hover card follows keyboard focus on a row", async ({ page }) => {
     const workspace = await seedWorkspace({ repoPrefix: "sidebar-hover-keyboard-" });
 
@@ -582,6 +633,12 @@ test.describe("Half-screen desktop layout", () => {
       await page.getByTestId("menu-button").click();
       await expect(page.getByTestId("sidebar-global-new-workspace")).toBeVisible();
       await expect(sidebarScroll).toHaveJSProperty("scrollTop", scrollTop);
+
+      await movePointerAwayFromWorkspaceHoverCard(page);
+      await focusWorkspaceRowWithKeyboard(page, lastWorkspaceId);
+      await expectWorkspaceHoverCardOpen(page);
+      await scrollWorkspaceList(page);
+      await expectWorkspaceHoverCardClosed(page);
     } finally {
       await workspace.cleanup();
     }
@@ -645,6 +702,9 @@ test.describe("Half-screen desktop layout", () => {
           .locator('[data-testid^="workspace-pane-"]')
           .getByTestId("workspace-tabs-row")
           .filter({ visible: true }),
+      ).toHaveCount(0);
+      await expect(
+        page.getByTestId("workspace-tab-switcher-trigger").filter({ visible: true }),
       ).toHaveCount(1);
 
       await explorerToggle.click();

packages/app/e2e/browser/subagent-origin-pane.spec.ts

@@ -38,8 +38,12 @@ async function openParentInRightPane(page: Page, parentId: string, workspaceId:
   await expect(left).toBeVisible();
   await expect(right).toBeVisible();
   await expect(right).not.toHaveAttribute("data-testid", "workspace-pane-main");
+  // A later split can replace the parent pane's rail with compact chrome.
+  // Keep the pane identity instead of finding it again through that rail.
+  const rightPaneId = await right.getAttribute("data-testid");
+  expect(rightPaneId).not.toBeNull();
   await left.locator('[data-testid^="workspace-tab-draft_"]').click();
-  return { left, right };
+  return { left, right: page.getByTestId(rightPaneId!) };
 }
 
 test.beforeEach(async ({ page }) => {

packages/app/e2e/browser/terminal-find.spec.ts

@@ -1,3 +1,4 @@
+import { getServerId } from "../support/helpers/server-id";
 import { runWorkspaceActionFromCommandCenter } from "../support/helpers/command-center-workspace-actions";
 import { spawnSync } from "node:child_process";
 import { readFile, writeFile } from "node:fs/promises";
@@ -413,6 +414,8 @@ test("searches retained output without sending Find input to the shell", async (
 test("keeps terminal Find owned by retained tabs and the focused split pane", async ({
   page,
 }, testInfo) => {
+  // This journey selects tabs from the full rails in both split panes.
+  await page.setViewportSize({ width: 1600, height: 900 });
   const first = await harness.createTerminal({
     name: "First search",
     command: "bash",
@@ -487,3 +490,142 @@ test("keeps the shared Find controls usable in a compact dark browser", async ({
   await page.getByRole("button", { name: "Close Find" }).click();
   await expect(input(page)).toBeFocused();
 });
+
+// A phone browser installs xterm's document-level touch gesture listener too.
+// Keep this journey touch-enabled so it catches duplicate scroll handling.
+test.describe("terminal history with a finger", () => {
+  test.use({ isMobile: true, hasTouch: true, viewport: { width: 390, height: 844 } });
+
+  test("scrolls history once per finger drag", async ({ page }) => {
+    await openPhoneTerminalHistory(page);
+    await expectSingleFingerScroll(page, 24);
+    await expectSingleFingerScroll(page, 1);
+    await expectMouseWheelScrollsHistory(page);
+  });
+
+  for (const mode of ["alternate", "mouse"] as const) {
+    test(`preserves finger navigation in ${mode} input mode`, async ({ page }) => {
+      await openPhoneInputCapture(page, mode);
+      await expectFingerNavigationInput(page, mode);
+    });
+  }
+});
+
+async function expectFingerNavigationInput(page: Page, mode: "alternate" | "mouse") {
+  await dragTerminalWithFinger(page, 24, async () => {
+    const prefix = mode === "alternate" ? "TOUCH_BYTES:1b4f41" : "TOUCH_BYTES:1b5b3c3634";
+    await expect.poll(() => getTerminalBufferText(page)).toContain(prefix);
+  });
+}
+
+async function openPhoneTerminalHistory(page: Page) {
+  await harness.createTerminal({
+    name: "Finger scroll history",
+    command: "bash",
+    args: [
+      "--noprofile",
+      "--norc",
+      "-c",
+      "for i in $(seq 1 150); do echo HISTORY_$i; done; exec sleep 300",
+    ],
+  });
+  await openPhoneTerminal(page);
+  await expect.poll(() => getTerminalBufferText(page)).toContain("HISTORY_150");
+}
+
+async function openPhoneInputCapture(page: Page, mode: "alternate" | "mouse") {
+  const escapes = mode === "alternate" ? "\x1b[?1049h\x1b[?1h" : "\x1b[?1000h\x1b[?1006h";
+  await harness.createTerminal({
+    name: "Touch application input",
+    command: process.execPath,
+    args: [
+      "-e",
+      `
+      process.stdin.setRawMode(true);
+      process.stdin.once("data", () => {
+        process.stdin.on("data", chunk => {
+          process.stdout.write("\\r\\nTOUCH_BYTES:" + chunk.toString("hex") + ":END\\r\\n");
+        });
+        process.stdout.write(${JSON.stringify(escapes)} + "TOUCH_INPUT_READY\\r\\n");
+      });
+      process.stdout.write("TOUCH_START_READY\\r\\n");
+    `,
+    ],
+  });
+  await openPhoneTerminal(page);
+  await expect.poll(() => getTerminalBufferText(page)).toContain("TOUCH_START_READY");
+  await input(page).press("x");
+  await expect.poll(() => getTerminalBufferText(page)).toContain("TOUCH_INPUT_READY");
+  await expect
+    .poll(() => page.evaluate(() => window.__paseoTerminal!.buffer.active.type))
+    .toBe(mode === "alternate" ? "alternate" : "normal");
+  await expect
+    .poll(() => page.evaluate(() => window.__paseoTerminal!.modes.mouseTrackingMode))
+    .toBe(mode === "mouse" ? "vt200" : "none");
+}
+
+async function openPhoneTerminal(page: Page) {
+  await page.goto("/");
+  await page.getByRole("button", { name: "Open menu", exact: true }).click();
+  await page.getByTestId(`sidebar-workspace-row-${getServerId()}:${harness.workspaceId}`).click();
+  await expect(page.getByRole("textbox", { name: "Terminal input" })).toBeVisible();
+  await expect(page.getByTestId("terminal-surface").filter({ visible: true })).toBeVisible();
+}
+
+async function expectMouseWheelScrollsHistory(page: Page) {
+  const beforeWheel = (await viewport(page))!;
+  await page.mouse.move(200, 300);
+  await page.mouse.wheel(0, -120);
+  await expect.poll(() => viewport(page)).toBeLessThan(beforeWheel);
+}
+
+async function expectSingleFingerScroll(page: Page, moves: number) {
+  await dragTerminalWithFinger(page, moves, async ({ lineHeight, before }) => {
+    await expect.poll(async () => before - (await viewport(page))!).toBeGreaterThan(0);
+    const moved = before - (await viewport(page))!;
+    await test.info().attach("finger-scroll", {
+      body: JSON.stringify({ moves, distancePx: 120, lineHeight, rowsMoved: moved }),
+      contentType: "application/json",
+    });
+    expect(moved, "one gesture must not scroll twice its physical distance").toBeLessThanOrEqual(
+      Math.ceil(120 / lineHeight),
+    );
+  });
+}
+
+async function dragTerminalWithFinger(
+  page: Page,
+  moves: number,
+  inspect: (state: { lineHeight: number; before: number }) => Promise<void>,
+) {
+  await test.step(`Drag history with ${moves} touch moves`, async () => {
+    const screen = page
+      .getByTestId("terminal-surface")
+      .filter({ visible: true })
+      .locator(".xterm-screen");
+    const box = await screen.boundingBox();
+    if (!box) throw new Error("Terminal screen is not visible");
+    const rows = await page.evaluate(() => window.__paseoTerminal!.rows);
+    const lineHeight = box.height / rows;
+    const before = (await viewport(page))!;
+    const session = await page.context().newCDPSession(page);
+    try {
+      const start = { x: box.x + box.width / 2, y: box.y + box.height / 3 };
+      await session.send("Input.dispatchTouchEvent", {
+        type: "touchStart",
+        touchPoints: [{ ...start, id: 1 }],
+      });
+      for (let step = 1; step <= moves; step++) {
+        await session.send("Input.dispatchTouchEvent", {
+          type: "touchMove",
+          touchPoints: [{ x: start.x, y: start.y + (120 * step) / moves, id: 1 }],
+        });
+      }
+      // Check before lifting the finger to exclude inertial scrolling.
+      await inspect({ lineHeight, before });
+    } finally {
+      await session.send("Input.dispatchTouchEvent", { type: "touchEnd", touchPoints: [] });
+      await session.detach();
+    }
+  });
+}

packages/app/e2e/browser/terminal-protocol-query.spec.ts

@@ -45,6 +45,11 @@ process.stdin.on("data", (chunk) => {
   for (;;) {
     const paste = /\x1b\[200~([^]*?)\x1b\[201~/.exec(buffer);
     if (!paste) break;
+    const pasted = JSON.stringify(paste[1]).replace(
+      /\s/g,
+      (space) => "\\u" + space.charCodeAt(0).toString(16).padStart(4, "0"),
+    );
+    process.stdout.write("PASTED:" + pasted + "\r\n");
     for (const [, path] of paste[1].matchAll(/'([^']*)'/g)) {
       const digest = crypto.createHash("sha256").update(fs.readFileSync(path)).digest("hex");
       const location = /[\\/]uploads[\\/]upload_/.test(path) ? "upload" : "local";
@@ -202,6 +207,21 @@ test.describe("Terminal protocol queries", () => {
     await expect.poll(() => terminalOutput(terminalId), { timeout: 10_000 }).toContain(text);
   }
 
+  // Every bracketed paste body the receiver consumed, in order and joined: what a
+  // shell would read as one command line.
+  async function pastedText(terminalId: string): Promise<string> {
+    const output = await terminalOutput(terminalId);
+    return [...output.matchAll(/PASTED:("(?:[^"\\]|\\.)*")/g)]
+      .map(([, json]) => JSON.parse(json) as string)
+      .join("");
+  }
+
+  // Exactly one ASCII space after each quoted path and nothing else between them,
+  // so the paths stay separate shell words.
+  async function expectSeparatePastedPaths(terminalId: string): Promise<void> {
+    await expect.poll(() => pastedText(terminalId)).toMatch(/^'[^']+' '[^']+' $/);
+  }
+
   test("pastes images from two panes into their own terminals as uploaded host files", async ({
     page,
   }) => {
@@ -238,6 +258,23 @@ test.describe("Terminal protocol queries", () => {
 
       await expectTerminalOutput(terminal.id, fileRead(pngBytes(3), "upload"));
       await expectTerminalOutput(terminal.id, fileRead(Buffer.from("remote notes"), "upload"));
+      await expectSeparatePastedPaths(terminal.id);
+    } finally {
+      await harness.killTerminal(terminal.id);
+    }
+  });
+
+  test("keeps the paths of two consecutive drops to another machine apart", async ({ page }) => {
+    const terminal = await openFileReceiver(page, "file-drop-remote-twice");
+    const first = { name: "first.png", type: "image/png", bytes: pngBytes(10) };
+    const second = { name: "second.txt", type: "text/plain", bytes: Buffer.from("second drop") };
+    try {
+      await dropFiles(page, [first]);
+      await expectTerminalOutput(terminal.id, fileRead(first.bytes, "upload"));
+      await dropFiles(page, [second]);
+      await expectTerminalOutput(terminal.id, fileRead(second.bytes, "upload"));
+
+      await expectSeparatePastedPaths(terminal.id);
     } finally {
       await harness.killTerminal(terminal.id);
     }

packages/app/e2e/browser/terminal-retained-tab-stream.spec.ts

@@ -1,5 +1,10 @@
 import type { Page } from "@playwright/test";
 import { expect, test } from "../support/fixtures";
+import {
+  expectTerminalCursor,
+  getTerminalBufferText,
+  waitForTerminalContent,
+} from "../support/helpers/terminal-perf";
 import { TerminalE2EHarness } from "../support/helpers/terminal-dsl";
 
 interface AttachOverlayProbeWindow extends Window {
@@ -59,4 +64,65 @@ test.describe("retained terminal tab streams", () => {
 
     expect(await terminalAttachOverlayWasSeen(page)).toBe(false);
   });
+
+  for (const { count, retainedMarker } of [
+    { count: 3000, retainedMarker: "history-0001界🙂" },
+    { count: 12050, retainedMarker: "history-3000界🙂" },
+  ]) {
+    test(`reattach restores retained styled Unicode history from ${count} lines`, async ({
+      page,
+    }) => {
+      await page.addInitScript(() => {
+        const key = "@paseo:app-settings";
+        const settings = JSON.parse(localStorage.getItem(key) ?? "{}");
+        localStorage.setItem(key, JSON.stringify({ ...settings, terminalScrollbackLines: 10000 }));
+      });
+      const terminal = await harness.createTerminal({
+        name: `history-${count}`,
+        command: "/bin/sh",
+        args: [
+          "-lc",
+          `i=1; while [ $i -le ${count} ]; do printf '\\033[31mhistory-%04d界🙂 payload-abcdefghijklmnopqrstuvwxyz0123456789\\033[0m\\n' $i; i=$((i+1)); done; sleep 120`,
+        ],
+      });
+      const last = `history-${String(count).padStart(4, "0")}界🙂`;
+      await harness.openTerminal(page, { terminalId: terminal.id });
+      await waitForTerminalContent(page, (text) => text.includes(last), 10000);
+      expect(await getTerminalBufferText(page)).toContain(retainedMarker);
+      await page.reload();
+      await waitForTerminalContent(page, (text) => text.includes(last), 10000);
+      const restored = await getTerminalBufferText(page);
+      expect(restored).toContain(retainedMarker);
+      expect(restored.match(/history-\d{4,5}/g)?.length).toBeGreaterThanOrEqual(
+        Math.min(count, 10000),
+      );
+      if (count > 10000) expect(restored).not.toContain("history-0001界🙂");
+    });
+  }
+  for (const input of [
+    { name: "client blinking bar", presentation: "", shape: "bar" as const, blinking: true },
+    {
+      name: "program blinking underline",
+      presentation: "\x1b[3 q",
+      shape: "underline" as const,
+      blinking: true,
+    },
+  ]) {
+    test(`reattach preserves the ${input.name} cursor`, async ({ page }) => {
+      const terminal = await harness.createTerminal({
+        name: "cursor-presentation",
+        command: process.execPath,
+        args: [
+          "-e",
+          `process.stdout.write(${JSON.stringify(input.presentation + "CURSOR-READY\r\n")});setInterval(()=>{},1000)`,
+        ],
+      });
+      await harness.openTerminal(page, { terminalId: terminal.id });
+      await waitForTerminalContent(page, (text) => text.includes("CURSOR-READY"), 10000);
+      await expectTerminalCursor(page, input);
+      await page.reload();
+      await waitForTerminalContent(page, (text) => text.includes("CURSOR-READY"), 10000);
+      await expectTerminalCursor(page, input);
+    });
+  }
 });

packages/app/e2e/browser/turn-collapse.spec.ts

@@ -2,12 +2,14 @@ import type { DaemonClient } from "@getpaseo/client/internal/daemon-client";
 import path from "node:path";
 import {
   holdOlderHistoryPages,
+  scrollTimelineRowIntoView,
   userScrollsTimelineToHistoryStart,
 } from "../support/helpers/timeline-pagination";
 import { getActiveTabTestId } from "../support/helpers/launcher";
 import type { Page, Locator } from "@playwright/test";
 import { test, expect } from "../support/fixtures";
 import { expectComposerVisible } from "../support/helpers/composer";
+import { withDirectoryPlugin } from "../support/helpers/plugin-timeline";
 import { openAgentRoute, seedMockAgentWorkspace } from "../support/helpers/mock-agent";
 
 test.use({
@@ -49,15 +51,36 @@ async function seedAnsweredAgent(title: string) {
 }
 
 /** Chat rows between the latest turn's summary line and its reply, in document order. */
-async function rowsBetweenLatestSummaryAndReply(page: Page): Promise<number> {
-  return page.evaluate(() => {
+async function rowsBetweenLatestSummaryAndReply(
+  page: Page,
+  replyTestId = "assistant-message",
+): Promise<number> {
+  return page.evaluate((testId) => {
     const rows = [...document.querySelectorAll("[data-message-id]")];
     const summaryRow = rows.findLastIndex((row) => row.querySelector("[data-testid=turn-summary]"));
-    const replyRow = rows.findLastIndex((row) =>
-      row.querySelector("[data-testid=assistant-message]"),
-    );
+    const replyRow = rows.findLastIndex((row) => row.querySelector(`[data-testid="${testId}"]`));
     return replyRow - summaryRow - 1;
-  });
+  }, replyTestId);
+}
+
+/** The latest turn's summary line is a chat row of its own, sitting apart from its prompt. */
+async function expectSummaryLineSitsApartFromPrompt(page: Page) {
+  const summaryRow = () =>
+    page.evaluate(() => {
+      const latest = (testId: string) =>
+        [...document.querySelectorAll(`[data-testid="${testId}"]`)].at(-1)!;
+      const summary = latest("turn-summary");
+      const row = summary.closest("[data-message-id]")!;
+      return {
+        sharesRowWithPrompt: row.querySelector("[data-testid=user-message]") !== null,
+        gapBelowPrompt: Math.round(
+          summary.getBoundingClientRect().top -
+            latest("user-message").getBoundingClientRect().bottom,
+        ),
+      };
+    });
+  await expect.poll(summaryRow).toMatchObject({ sharesRowWithPrompt: false });
+  expect((await summaryRow()).gapBelowPrompt).toBeGreaterThan(0);
 }
 
 async function groupedToolsInsideLatestTurn(page: Page): Promise<string[]> {
@@ -125,6 +148,67 @@ async function expandAndCollapseLongPrompt(page: Page) {
 }
 
 test.describe("Turn collapse", () => {
+  test("folds work before a plugin-rendered reply and reopens it", async ({ page }, info) => {
+    test.setTimeout(120_000);
+    await useChatDisplay(page, "collapseTurns");
+    const agent = await seedMockAgentWorkspace({
+      repoPrefix: "plugin-reply-fold-",
+      title: "Plugin reply folding",
+      model: "ten-second-stream",
+      initialPrompt: "Make the fix and run the burst script.",
+    });
+    try {
+      await agent.client.waitForFinish(agent.agentId, 30_000);
+      await withDirectoryPlugin({
+        pluginId: "reply-fold-e2e",
+        source: `import React from "react";
+import { Text } from "react-native";
+import { z } from "zod";
+
+export default function contribute(client) {
+  client.addTimelineTransformer({
+    id: "reply", query: { itemType: "assistant_message" },
+    transform({ item, phase }) {
+      if (phase === "streaming") return undefined;
+      return { items: [{ type: "plugin", kind: "reply", version: 1, data: { text: item.text } }] };
+    },
+  });
+  client.addTimelineRenderer({
+    kind: "reply", version: 1, schema: z.object({ text: z.string() }),
+    Component: ({ item }) => <Text testID="plugin-reply">{item.data.text}</Text>,
+  });
+  return () => {};
+}`,
+        run: async () => {
+          await page.setViewportSize({ width: 1280, height: 1000 });
+          await openAgentRoute(page, agent);
+          await expectComposerVisible(page);
+          for (const width of [1280, 390]) {
+            await page.setViewportSize({ width, height: 1000 });
+            const summary = page.getByTestId("turn-summary").last().getByRole("button");
+            const reply = page.getByTestId("plugin-reply").last();
+            await expect(summary).toBeVisible();
+            await expect(reply).toContainText("(end of synthetic stream)");
+            await expect.poll(() => rowsBetweenLatestSummaryAndReply(page, "plugin-reply")).toBe(0);
+            await page.screenshot({ path: info.outputPath(`plugin-reply-folded-${width}.png`) });
+            await summary.click();
+            await expect
+              .poll(() => rowsBetweenLatestSummaryAndReply(page, "plugin-reply"))
+              .toBeGreaterThan(0);
+            await expect(reply).toContainText("(end of synthetic stream)");
+            await summary.click();
+            await expect.poll(() => rowsBetweenLatestSummaryAndReply(page, "plugin-reply")).toBe(0);
+          }
+          await page.reload();
+          await expect(page.getByTestId("turn-summary").last()).toBeVisible();
+          await expect.poll(() => rowsBetweenLatestSummaryAndReply(page, "plugin-reply")).toBe(0);
+        },
+      });
+    } finally {
+      await agent.cleanup();
+    }
+  });
+
   test("folds each answered turn behind a summary line that opens it", async ({ page }) => {
     test.setTimeout(120_000);
     await page.setViewportSize({ width: 1280, height: 1000 });
@@ -144,6 +228,7 @@ test.describe("Turn collapse", () => {
         /\(end of synthetic stream\)$/,
       );
       await expect.poll(() => rowsBetweenLatestSummaryAndReply(page)).toBe(0);
+      await expectSummaryLineSitsApartFromPrompt(page);
 
       await summary.click();
       await expect.poll(() => rowsBetweenLatestSummaryAndReply(page)).toBeGreaterThan(0);
@@ -343,7 +428,6 @@ test("opening a turn keeps the received message above it clipped on every frame"
       .getByTestId("user-message")
       .filter({ has: page.getByRole("button", { name: "Sent by Reviewer", exact: true }) });
     await expect(bubble.getByRole("button", { name: "Show more", exact: true })).toBeVisible();
-    await bubble.scrollIntoViewIfNeeded();
 
     await watchReceivedMessagePreview(page, "Sent by Reviewer");
     await page
@@ -407,34 +491,87 @@ async function seedWholeTurnHistory() {
   return agent;
 }
 
-test("loads complete long turns and preserves expansion while revealing older history", async ({
-  page,
-}) => {
+async function expectInitialFillIsConcealed(page: Page) {
+  await expect(page.getByTestId("agent-initial-fill")).toBeVisible();
+  await expect(page.getByTestId("agent-chat-scroll")).toHaveCSS("opacity", "0");
+}
+
+async function expectFilledChatAtBottom(page: Page) {
+  await expect(page.getByTestId("agent-initial-fill")).toBeHidden();
+  const chat = page.getByTestId("agent-chat-scroll");
+  await expect(chat).toHaveCSS("opacity", "1");
+  await expect
+    .poll(() =>
+      chat.evaluate((element) => ({
+        hasOverflow: element.scrollHeight > element.clientHeight,
+        atBottom: Math.abs(element.scrollHeight - element.clientHeight - element.scrollTop) <= 2,
+      })),
+    )
+    .toEqual({ hasOverflow: true, atBottom: true });
+}
+
+test("fills collapsed history before revealing a fresh chat", async ({ page }) => {
   test.setTimeout(120_000);
+  await page.setViewportSize({ width: 1280, height: 1000 });
   await useChatDisplay(page, "collapseTurns");
   const agent = await seedWholeTurnHistory();
   try {
     const history = await holdOlderHistoryPages(page, agent);
     await openAgentRoute(page, agent);
+    await history.expectRequestedPages(1);
+    await expectInitialFillIsConcealed(page);
+    history.releasePage(1);
+    await history.expectRequestedPages(2);
+    await expectInitialFillIsConcealed(page);
+    history.releasePage(2);
+    await expectFilledChatAtBottom(page);
+    await page.setViewportSize({ width: 1280, height: 8000 });
+    await history.expectRequestedPages(3);
+    await expect(page.getByTestId("agent-chat-scroll")).toHaveCSS("opacity", "1");
+    await expect(page.getByTestId("agent-initial-fill")).toBeHidden();
+    history.releasePage(3);
+    await history.expectSettledWithRequestedPages(3);
+    history.expectNoRepeatedEntries();
+  } finally {
+    await agent.cleanup();
+  }
+});
+
+test("loads complete long turns and preserves expansion while revealing older history", async ({
+  page,
+}) => {
+  test.setTimeout(120_000);
+  await page.setViewportSize({ width: 1280, height: 1000 });
+  await useChatDisplay(page, "collapseTurns");
+  const agent = await seedWholeTurnHistory();
+  try {
+    const history = await holdOlderHistoryPages(page, agent);
+    await openAgentRoute(page, agent);
+    await history.expectRequestedPages(1);
+    history.releasePage(1);
+    await history.expectRequestedPages(2);
+    history.releasePage(2);
+    await expectFilledChatAtBottom(page);
     await expectComposerVisible(page);
     const latest = page
       .getByTestId("turn-summary")
       .getByRole("button", { name: "Ran 120 commands", exact: true });
     await expect(latest).toBeVisible();
-    await expect.poll(() => rowsBetweenLatestSummaryAndReply(page)).toBe(0);
-    await latest.click();
-    await expect.poll(() => rowsBetweenLatestSummaryAndReply(page)).toBe(120);
-    await userScrollsTimelineToHistoryStart(page);
-    await history.expectRequestedPages(1);
-    history.releasePage(1);
     await expect(
       page
         .getByTestId("turn-summary")
         .getByRole("button", { name: "Ran 60 commands", exact: true }),
     ).toBeVisible();
+    await expect.poll(() => rowsBetweenLatestSummaryAndReply(page)).toBe(0);
+    await latest.click();
+    await expect.poll(() => rowsBetweenLatestSummaryAndReply(page)).toBe(120);
+    await userScrollsTimelineToHistoryStart(page);
+    await history.expectRequestedPages(3);
+    history.releasePage(3);
+    await page.getByTestId("scroll-to-bottom-button").click();
     await expect.poll(() => rowsBetweenLatestSummaryAndReply(page)).toBe(120);
     history.expectNoRepeatedEntries();
-    await latest.scrollIntoViewIfNeeded();
+    await scrollTimelineRowIntoView(page, latest);
     await latest.click();
     await expect.poll(() => rowsBetweenLatestSummaryAndReply(page)).toBe(0);
   } finally {
@@ -529,6 +666,7 @@ async function expectThinkingPresentation(page: Page, autoExpandReasoning: boole
       .last();
     await expect(group).toContainText(/read 1 file/i);
     await expect(group.getByRole("button").first()).not.toContainText(/thought/i);
+    await scrollTimelineRowIntoView(page, group);
     await group.getByRole("button").first().click();
     // Expand thinking is off: the group opens its rows, but the thought row stays closed
     // until the reader opens it.

packages/app/e2e/browser/usage-sidebar-item.spec.ts

@@ -8,7 +8,7 @@ import {
   openProjectViaDaemon,
 } from "../support/helpers/new-workspace";
 import { getServerId } from "../support/helpers/server-id";
-import { openSettingsHostSection } from "../support/helpers/settings";
+import { openCompactSettings, openSettingsHostSection } from "../support/helpers/settings";
 import {
   expectFooterItemSetting,
   expectFooterSeparator,
@@ -42,6 +42,7 @@ import {
 import { seedSidebarFooterPreferences } from "../support/helpers/sidebar-nav-settings";
 import { waitForSettledPosition } from "../support/helpers/sheet-layout";
 import { createTempGitRepo } from "../support/helpers/workspace";
+import { buildOpenProjectRoute } from "@/utils/host-routes";
 
 const WIDE = { width: 1440, height: 900 };
 const COMPACT = { width: 390, height: 844 };
@@ -70,7 +71,112 @@ async function footerClip(page: Page) {
   return (await page.locator('[data-testid="sidebar-footer"]:visible').boundingBox())!;
 }
 
+async function setPageVisibility(page: Page, visibility: DocumentVisibilityState): Promise<void> {
+  await page.evaluate((state) => {
+    Object.defineProperty(document, "visibilityState", { configurable: true, get: () => state });
+    Object.defineProperty(document, "hidden", {
+      configurable: true,
+      get: () => state === "hidden",
+    });
+    document.dispatchEvent(new Event("visibilitychange"));
+  }, visibility);
+}
+
 test.describe("Usage item", () => {
+  test("visible summary refreshes every five minutes without opening Usage", async ({ page }) => {
+    let usedPct = 31;
+    const usage = await installUsageReportsFixture(page, {
+      lists: [
+        () => [
+          {
+            ...claudeAndCodexReports()[0]!,
+            report: {
+              status: "available",
+              windows: [
+                { id: "five_hour", label: "Session", shortLabel: "5h", summary: true, usedPct },
+              ],
+            },
+          },
+        ],
+      ],
+    });
+    await page.clock.install();
+    await page.setViewportSize(WIDE);
+    await seedSidebarFooterPreferences(page, [{ key: "usage", visible: true }]);
+    await gotoAppShell(page);
+    await expectPinnedUsage(page, ["31% 5h"]);
+    const startingUrl = page.url();
+    await qaScreenshot(page, "usage-auto-refresh-initial", { kind: "footer" });
+    const requestsBeforeRefresh = usage.listRequests();
+
+    usedPct = 42;
+    await page.clock.fastForward(5 * 60_000);
+    await qaScreenshot(page, "usage-auto-refresh-after-interval", { kind: "footer" });
+    await expectPinnedUsage(page, ["42% 5h"]);
+    await expect(usageModal(page)).toHaveCount(0);
+    await expect(page).toHaveURL(startingUrl);
+    expect(usage.listRequests()).toEqual([
+      ...requestsBeforeRefresh,
+      { forceRefresh: false, reportIds: undefined, agentId: undefined },
+    ]);
+
+    await setPageVisibility(page, "hidden");
+    const requestsBeforeBackgrounding = usage.listRequests();
+    usedPct = 47;
+    await page.clock.fastForward(5 * 60_000);
+    expect(usage.listRequests()).toEqual(requestsBeforeBackgrounding);
+    await expectPinnedUsage(page, ["42% 5h"]);
+    await setPageVisibility(page, "visible");
+    await page.clock.fastForward(5 * 60_000);
+    await expectPinnedUsage(page, ["47% 5h"]);
+    expect(usage.listRequests()).toEqual([
+      ...requestsBeforeBackgrounding,
+      { forceRefresh: false, reportIds: undefined, agentId: undefined },
+    ]);
+
+    await page.setViewportSize(COMPACT);
+    await expect(usageItem(page)).toHaveCount(0);
+    const requestsBeforeHiding = usage.listRequests();
+    await page.clock.fastForward(5 * 60_000);
+    expect(usage.listRequests()).toEqual(requestsBeforeHiding);
+
+    await openCompactSidebar(page);
+    await expectPinnedUsage(page, ["47% 5h"]);
+    await expect(page.getByTestId("agent-list-backdrop")).toBeVisible();
+    usedPct = 53;
+    await page.clock.fastForward(5 * 60_000);
+    await expectPinnedUsage(page, ["53% 5h"]);
+    await expect(usageModal(page)).toHaveCount(0);
+
+    await page.setViewportSize(WIDE);
+    await openSidebarNavSettings(page);
+    await setFooterItemVisible(page, "usage", false);
+    await leaveSettings(page);
+    await expectNoUsageItem(page);
+    const requestsBeforeDisabling = usage.listRequests();
+    await page.clock.fastForward(5 * 60_000);
+    expect(usage.listRequests()).toEqual(requestsBeforeDisabling);
+  });
+
+  test("Usage settings do not poll reports while the sidebar is inactive", async ({ page }) => {
+    const usage = await installUsageReportsFixture(page, {
+      lists: [() => claudeAndCodexReports()],
+    });
+    await page.clock.install();
+    await page.setViewportSize(COMPACT);
+    await seedSidebarFooterPreferences(page, [{ key: "usage", visible: true }]);
+    await gotoAppShell(page);
+    await openCompactSettings(page, buildOpenProjectRoute());
+    await openSettingsHostSection(page, getServerId(), "usage");
+    await expect(page.getByTestId("usage-card").getByText("31% used")).toBeVisible();
+    await expect(usageItem(page)).toHaveCount(0);
+    const requestsBeforeWaiting = usage.listRequests();
+
+    await page.clock.fastForward(5 * 60_000);
+    expect(usage.listRequests()).toEqual(requestsBeforeWaiting);
+    await expect(page.getByTestId("usage-card").getByText("31% used")).toBeVisible();
+  });
+
   test("both compact footer entry points open Usage as a sheet", async ({ page }) => {
     await page.setViewportSize(COMPACT);
     await installUsageReportsFixture(page, { lists: [() => claudeAndCodexReports()] });

packages/app/e2e/browser/viewed-agent-timelines.spec.ts

@@ -357,6 +357,8 @@ test.describe("Viewed agent timelines", () => {
   });
 
   test("two visible split chats both stay current", async ({ page }) => {
+    // Keep both split panes wide enough for the tab-rail interactions below.
+    await page.setViewportSize({ width: 1600, height: 900 });
     const scenario = await seedViewedTimelineScenario();
     try {
       await enableMoveTabShortcut(page);

packages/app/e2e/browser/workspace-archive-undo.spec.ts

@@ -0,0 +1,187 @@
+import type { Page } from "@playwright/test";
+import { expect, test } from "../support/fixtures";
+import { gotoAppShell } from "../support/helpers/app";
+import {
+  archiveWorkspaceFromDaemon,
+  connectNewWorkspaceDaemonClient,
+  createWorktreeViaDaemon,
+  openProjectViaDaemon,
+} from "../support/helpers/new-workspace";
+import { getServerId } from "../support/helpers/server-id";
+import { expectWorkspaceAbsentFromSidebar } from "../support/helpers/sidebar";
+import { createMockIdleAgent, openWorkspaceWithAgents } from "../support/helpers/archive-tab";
+import { connectSeedClient } from "../support/helpers/seed-client";
+import { createTempGitRepo } from "../support/helpers/workspace";
+import { getWorkspaceTabTestIds } from "../support/helpers/workspace-tabs";
+import {
+  archiveFromRowButton,
+  createGatedTeardown,
+  expectDirectoryPresence,
+  expectHostWorkspaceSettledActive,
+  outlastUndoWindow,
+  pressUndoShortcut,
+  rowArchiveButton,
+  rowKebab,
+  undoButton,
+  workspaceRow,
+  workspaceTitleWidth,
+} from "../support/helpers/workspace-archive-undo";
+import {
+  waitForSidebarHydration,
+  waitForWorkspaceInSidebar,
+} from "../support/helpers/workspace-ui";
+
+test.describe("Workspace archive undo", () => {
+  let client: Awaited<ReturnType<typeof connectNewWorkspaceDaemonClient>>;
+  let tempRepo: { path: string; cleanup: () => Promise<void> };
+  const worktreeDirectories = new Set<string>();
+
+  test.describe.configure({ timeout: 120_000 });
+
+  test.beforeEach(async () => {
+    client = await connectNewWorkspaceDaemonClient();
+    tempRepo = await createTempGitRepo("archive-undo-");
+  });
+
+  test.afterEach(async () => {
+    for (const directory of worktreeDirectories) {
+      await archiveWorkspaceFromDaemon(client, directory).catch(() => undefined);
+    }
+    worktreeDirectories.clear();
+    await client?.close().catch(() => undefined);
+    await tempRepo?.cleanup().catch(() => undefined);
+  });
+
+  async function seedWorktree(page: Page, slug: string) {
+    await openProjectViaDaemon(client, tempRepo.path);
+    const worktree = await createWorktreeViaDaemon(client, {
+      cwd: tempRepo.path,
+      slug: `${slug}-${Date.now()}`,
+    });
+    worktreeDirectories.add(worktree.workspaceDirectory);
+    await gotoAppShell(page);
+    await waitForSidebarHydration(page);
+    await waitForWorkspaceInSidebar(page, {
+      serverId: getServerId(),
+      workspaceId: worktree.workspaceId,
+    });
+    return worktree;
+  }
+
+  test("the hover archive button overlays the title instead of narrowing it", async ({ page }) => {
+    const worktree = await seedWorktree(page, "archive-button-overlay");
+
+    await page.mouse.move(0, 0);
+    await expect(rowArchiveButton(page, worktree.workspaceId)).toHaveCount(0);
+    const restingWidth = await workspaceTitleWidth(page, worktree.workspaceId);
+
+    await workspaceRow(page, worktree.workspaceId).hover();
+    await expect(rowArchiveButton(page, worktree.workspaceId)).toBeVisible();
+    await expect(page.getByTestId("sidebar-workspace-trailing-scrim")).toBeVisible();
+    expect(await workspaceTitleWidth(page, worktree.workspaceId)).toBe(restingWidth);
+
+    const [buttonBox, kebabBox] = await Promise.all([
+      rowArchiveButton(page, worktree.workspaceId).boundingBox(),
+      rowKebab(page, worktree.workspaceId).boundingBox(),
+    ]);
+    expect(buttonBox && kebabBox && buttonBox.x + buttonBox.width <= kebabBox.x).toBe(true);
+  });
+
+  test("Cmd/Ctrl+Z right after archiving keeps the worktree", async ({ page }) => {
+    const worktree = await seedWorktree(page, "archive-undo-shortcut");
+
+    await archiveFromRowButton(page, worktree.workspaceId);
+    await pressUndoShortcut(page);
+
+    await expect(workspaceRow(page, worktree.workspaceId)).toBeVisible();
+    await expect(undoButton(page)).toHaveCount(0);
+    await expectHostWorkspaceSettledActive(client, worktree.workspaceId);
+    // Once the host settled, any remove the canceled archive sent has already arrived.
+    await expect(workspaceRow(page, worktree.workspaceId)).toBeVisible();
+    await expectDirectoryPresence(worktree.workspaceDirectory, true);
+  });
+
+  test("Undo after the worktree was removed recreates it", async ({ page }) => {
+    const worktree = await seedWorktree(page, "archive-undo-recreate");
+
+    await archiveFromRowButton(page, worktree.workspaceId);
+    // Hovering the toast holds it, and with it the undo, open while the archive finishes.
+    await undoButton(page).hover();
+    await expectDirectoryPresence(worktree.workspaceDirectory, false);
+    await undoButton(page).click();
+
+    await expect(workspaceRow(page, worktree.workspaceId)).toBeVisible({ timeout: 30_000 });
+    await expectDirectoryPresence(worktree.workspaceDirectory, true);
+    await expectHostWorkspaceSettledActive(client, worktree.workspaceId);
+  });
+
+  test("hovering Undo keeps the toast open past its deadline, and its close ends the undo", async ({
+    page,
+  }) => {
+    await page.clock.install({ time: Date.now() });
+    const worktree = await seedWorktree(page, "archive-undo-hold");
+
+    await archiveFromRowButton(page, worktree.workspaceId);
+    await page.getByTestId("workspace-archived-toast").hover({ position: { x: 8, y: 8 } });
+    await undoButton(page).hover();
+    await outlastUndoWindow(page);
+    await expect(undoButton(page)).toBeVisible();
+
+    await page.mouse.move(0, 0);
+    await outlastUndoWindow(page);
+    await expect(undoButton(page)).toHaveCount(0);
+
+    // The toast took the undo with it.
+    await pressUndoShortcut(page);
+    await expectWorkspaceAbsentFromSidebar(page, worktree.workspaceId);
+  });
+
+  test("opening the workspace while its undo is still running keeps its tabs", async ({ page }) => {
+    const teardown = createGatedTeardown();
+    const repo = await createTempGitRepo("archive-undo-tabs-", {
+      paseoConfig: teardown.paseoConfig,
+    });
+    const seedClient = await connectSeedClient();
+    try {
+      await openProjectViaDaemon(client, repo.path);
+      const worktree = await createWorktreeViaDaemon(client, {
+        cwd: repo.path,
+        slug: `archive-undo-tabs-${Date.now()}`,
+      });
+      worktreeDirectories.add(worktree.workspaceDirectory);
+      const target = { cwd: worktree.workspaceDirectory, workspaceId: worktree.workspaceId };
+      const agents = [
+        await createMockIdleAgent(seedClient, { ...target, title: "first" }),
+        await createMockIdleAgent(seedClient, { ...target, title: "second" }),
+      ] as const;
+      await openWorkspaceWithAgents(page, [agents[0], agents[1]]);
+      const tabsBefore = await getWorkspaceTabTestIds(page);
+
+      await archiveFromRowButton(page, worktree.workspaceId);
+      // The archive has taken its agents down and now parks in teardown.
+      await teardown.expectStarted();
+      await undoButton(page).click();
+      await workspaceRow(page, worktree.workspaceId).click();
+
+      for (const agent of agents) {
+        await expect(page.getByTestId(`workspace-tab-agent_${agent.id}`).first()).toBeVisible();
+      }
+      teardown.release();
+      await expectHostWorkspaceSettledActive(client, worktree.workspaceId);
+      await expect.poll(() => getWorkspaceTabTestIds(page)).toEqual(tabsBefore);
+    } finally {
+      teardown.release();
+      await seedClient.close().catch(() => undefined);
+      await repo.cleanup().catch(() => undefined);
+    }
+  });
+
+  test("Cmd/Ctrl+Z without an archive to undo leaves the sidebar alone", async ({ page }) => {
+    const worktree = await seedWorktree(page, "archive-undo-none");
+
+    await pressUndoShortcut(page);
+
+    await expect(undoButton(page)).toHaveCount(0);
+    await expect(workspaceRow(page, worktree.workspaceId)).toBeVisible();
+  });
+});

packages/app/e2e/browser/workspace-focus-mode.spec.ts

@@ -101,3 +101,20 @@ test("focus mode only applies to the active workspace screen", async ({ page, wi
   await expect(exitFocusMode).toHaveCount(0);
   await expect(settingsButton).toBeVisible();
 });
+
+async function exitFocusModeFromCompactHeader(page: Page) {
+  await page.setViewportSize({ width: 400, height: 844 });
+  await page.getByTestId("workspace-header-menu-trigger").click();
+  await page.getByRole("menuitem", { name: "Exit focus mode", exact: true }).click();
+  await page.setViewportSize({ width: 1280, height: 900 });
+}
+
+test("compact workspace menu keeps focus mode exit reachable", async ({ page, withWorkspace }) => {
+  const workspace = await withWorkspace({ prefix: "compact-focus-exit-" });
+  await page.setViewportSize({ width: 1280, height: 900 });
+  await workspace.navigateTo();
+  await enterFocusMode(page);
+  await exitFocusModeFromCompactHeader(page);
+  await expect(exitFocusModeButton(page)).toHaveCount(0);
+  await expect(page.getByTestId("sidebar-global-new-workspace")).toBeVisible();
+});

packages/app/e2e/browser/workspace-pane-remount.spec.ts

@@ -52,6 +52,8 @@ async function waitForWorkspaceRoute(page: Page, route: string) {
 test.describe("Workspace pane mounting", () => {
   test("workspace navigation keeps the existing agent composer mounted", async ({ page }) => {
     test.setTimeout(90_000);
+    // Keep both split panes wide enough for the tab-rail interactions below.
+    await page.setViewportSize({ width: 1600, height: 900 });
     const serverId = getServerId();
 
     const workspace = await seedWorkspace({ repoPrefix: "pane-remount-" });

packages/app/e2e/browser/workspace-relative-navigation.spec.ts

@@ -70,25 +70,31 @@ test("previous and next traverse every visible workspace while digit shortcuts s
         workspaceId: order[8],
       });
     });
-    await test.step("hidden Done rows remain shortcut targets without expanding the project", async () => {
-      await expectHiddenWorkspaceShortcuts(page, order);
+    await test.step("collapsed groups keep shortcut targets selected without expanding", async () => {
+      await expectCollapsedWorkspaceShortcuts(page, order);
     });
   } finally {
     await project.cleanup();
   }
 });
 
-async function expectHiddenWorkspaceShortcuts(page: Page, order: string[]) {
+async function expectCollapsedWorkspaceShortcuts(page: Page, order: string[]) {
   await page.getByLabel("Show less", { exact: true }).click();
   const rows = page.getByRole("button", { name: /^Workspace \d{2}$/ });
-  await expect(rows).toHaveCount(7);
+  await expect(rows).toHaveCount(8);
+  await expectSidebarWorkspaceSelected({ page, serverId: getServerId(), workspaceId: order[8] });
   await switchWorkspaceViaSidebar({ page, serverId: getServerId(), workspaceId: order[0] });
+  await expect(rows).toHaveCount(7);
   await page.keyboard.press("Alt+9");
   await expect(page).toHaveURL(new RegExp(`/workspace/${order[8]}$`));
+  await expectSidebarWorkspaceSelected({ page, serverId: getServerId(), workspaceId: order[8] });
+  await expect(rows).toHaveCount(8);
+  await page.keyboard.press("Alt+]");
+  await expect(page).toHaveURL(new RegExp(`/workspace/${order[9]}$`));
+  await expectSidebarWorkspaceSelected({ page, serverId: getServerId(), workspaceId: order[9] });
+  await expect(rows).toHaveCount(8);
   await expect(page.getByTestId(`sidebar-workspace-row-${getServerId()}:${order[8]}`)).toHaveCount(
     0,
   );
-  await page.keyboard.press("Alt+]");
-  await expect(page).toHaveURL(new RegExp(`/workspace/${order[9]}$`));
-  await expect(rows).toHaveCount(7);
+  await expect(page.getByLabel("Show more", { exact: true })).toBeVisible();
 }

packages/app/e2e/mobile/agent-device/native-sidebar-drag-release.ios.ad

@@ -6,6 +6,11 @@ env APP_ID=sh.paseo.debug
 # Hold past drag arming (180ms), then release.
 open "${APP_ID}"
 press "label=\"Open menu\""
+wait "id=\"sidebar-close\"" 10000
+press "id=\"sidebar-close\""
+# The close target must clear system controls, including a trailing status column.
+wait "label=\"Open menu\"" 5000
+press "label=\"Open menu\""
 wait "id=\"${WORKSPACE_ROW}\"" 10000
 longpress "id=\"${WORKSPACE_ROW}\"" 250
 press "id=\"${WORKSPACE_ROW}\""

packages/app/e2e/mobile/composer-keyboard/android.sh

@@ -509,6 +509,8 @@ check_autocomplete() {
     fi
   fi
   ad wait 'id="composer-autocomplete-popover"' 10000
+  # Rows replace the popover's loading row once the host lists them; a cold Claude list is slow.
+  ad wait "text=\"${expected}\"" 30000
   # The popover remeasures once keyboard motion settles.
   sleep 1
   capture_screen "${prefix}.png"

packages/app/e2e/mobile/composer-keyboard/ios.mjs

@@ -69,17 +69,23 @@ async function waitFor(name, predicate, timeoutMs = 10_000) {
   }
 }
 
-// Keyboard motion has settled once two snapshots agree on the composer position.
+// Keyboard motion has settled once two snapshots agree on the composer position. The
+// popover shows a loading row until the host lists its commands; a cold Claude list is slow.
 async function settledPlacement(name, keyboard) {
   let previousTop;
-  return waitFor(name, (snap) => {
-    const composer = nodeById(snap, "message-input-root");
-    if (!nodeById(snap, "composer-autocomplete-popover") || !composer) return false;
-    if (keyboardShown(snap) !== keyboard) return false;
-    const stable = composer.rect.y === previousTop;
-    previousTop = composer.rect.y;
-    return stable;
-  });
+  return waitFor(
+    name,
+    (snap) => {
+      const composer = nodeById(snap, "message-input-root");
+      if (!nodeById(snap, "composer-autocomplete-popover") || !composer) return false;
+      if (nodeById(snap, "composer-autocomplete-loading")) return false;
+      if (keyboardShown(snap) !== keyboard) return false;
+      const stable = composer.rect.y === previousTop;
+      previousTop = composer.rect.y;
+      return stable;
+    },
+    30_000,
+  );
 }
 
 function assertPlacement(name, snap, expected) {

packages/app/e2e/mobile/system-bars/android.mjs

@@ -38,12 +38,9 @@ async function expectDarkIcons(expected, context) {
   assert.equal(windowState(), expected, context);
 }
 
+// Settings > Appearance shows every theme as a tile in one radio group.
 function selectTheme(theme) {
-  const current = ad("snapshot", "-i").match(/"Theme: ([^"]+)"/)?.[1];
-  assert(current, "Start on Settings > Appearance");
-  ad("press", `label="Theme: ${current}"`, "--settle");
   ad("press", `label="${theme}"`, "--settle");
-  ad("wait", "text", `Theme: ${theme}`, "5000");
 }
 
 ad("settings", "appearance", "light");

packages/app/e2e/mobile/terminal-rendering/check.mjs

@@ -0,0 +1,314 @@
+import assert from "node:assert/strict";
+import { writeFileSync } from "node:fs";
+import { UnicodeGraphemesAddon } from "@xterm/addon-unicode-graphemes";
+import xterm from "@xterm/headless";
+import { PNG } from "pngjs";
+import { ACCENT, fixtureLines, fixtureOutput, RULER_CELLS, SELECT_LINE } from "./fixture.mjs";
+
+/** A pixel is ink when one channel differs from the terminal background by more than this. */
+const INK_THRESHOLD = 70;
+/** Ink pixels a printed grapheme cluster needs inside its own columns. */
+const MIN_CLUSTER_INK = 3;
+/** How far a pixel may sit from the background-to-color blend line and still count as that color. */
+const BLEND_TOLERANCE = 40;
+/** Pixels of another cell's color tolerated in a cell, for antialiasing at the cell edge. */
+const MAX_FOREIGN_INK = 2;
+
+const graphemes = new Intl.Segmenter("und", { granularity: "grapheme" });
+
+/**
+ * Checks a screenshot of the fixture against the cells xterm assigns: every printed grapheme
+ * cluster has ink inside its own columns, blank cells stay blank, and the cursor sits right after
+ * the text. A cluster that spans cells, such as a Devanagari conjunct, is shaped as one unit, so
+ * it is judged across all its columns. On rows that use the fixture's accent color, every cell
+ * must be drawn in its own color, including cells that share a shaped cluster.
+ *
+ * These are geometry and color checks: they cannot tell a correct glyph from a wrong one.
+ *
+ * `rows` maps a terminal row index to its rect in screenshot pixels.
+ */
+export async function checkTerminalScreenshot({ png, size, rows }) {
+  const terminal = await fixtureTerminal(size);
+  assert.ok(rows.get(0), "The ruler row is not exposed as terminal-row-0");
+  const grid = measureGrid(png, rows.get(0));
+  const { failures, slots } = checkRows({ png, terminal, rows, grid });
+  terminal.dispose();
+  return { grid, failures, slots };
+}
+
+/** Where the harness selects: the first cell of the conjunct that starts the `select` line. */
+export async function selectionTarget({ size }) {
+  const terminal = await fixtureTerminal(size);
+  const row = lineNames(terminal.buffer.active, terminal.buffer.active.cursorY + 1).indexOf(
+    SELECT_LINE,
+  );
+  terminal.dispose();
+  return { row, col: 0, clusterColumns: 2 };
+}
+
+/**
+ * Checks a screenshot taken with only the first cell of the `select` conjunct selected: that cell
+ * has the selection background and the conjunct's second, unselected cell keeps its accent color.
+ */
+export function checkPartialSelection({ png, rows, grid, target }) {
+  const rect = rows.get(target.row);
+  if (!rect) return [{ row: target.row, kind: "missing-row" }];
+  const cell = (col) => ({
+    left: grid.left + col * grid.cellWidth + 1,
+    right: grid.left + (col + 1) * grid.cellWidth - 1,
+    top: rect.y,
+    bottom: rect.y + rect.height,
+  });
+  const selected = cell(target.col);
+  const unselected = cell(target.col + 1);
+  const selectionBackground = pixelAt(png, selected.left + 1, selected.top + 1);
+  const unselectedBackground = pixelAt(png, unselected.left + 1, unselected.top + 1);
+  if (
+    !differs(selectionBackground, grid.background) ||
+    differs(unselectedBackground, grid.background)
+  ) {
+    return [{ row: target.row, col: target.col, kind: "selection-not-set-up" }];
+  }
+  const failures = [];
+  const ownInk = countColor(png, unselected, grid.background, ACCENT);
+  if (ownInk < MIN_CLUSTER_INK) {
+    failures.push({ row: target.row, col: target.col + 1, kind: "unselected-cell-lost-color" });
+  }
+  return failures;
+}
+
+async function fixtureTerminal(size) {
+  const terminal = new xterm.Terminal({
+    cols: size.columns,
+    rows: size.rows,
+    allowProposedApi: true,
+  });
+  // The app's buffer uses grapheme widths; the expected cells must too.
+  terminal.loadAddon(new UnicodeGraphemesAddon());
+  await new Promise((done) =>
+    terminal.write(fixtureOutput(size.columns).replaceAll("\n", "\r\n"), done),
+  );
+  return terminal;
+}
+
+export function writeOverlay(png, slots, path) {
+  const out = new PNG({ width: png.width, height: png.height });
+  png.data.copy(out.data);
+  for (const slot of slots) {
+    const color = slot.ok ? [0, 200, 0] : [255, 0, 0];
+    const { left, right, top, bottom } = slot.box;
+    for (let x = Math.ceil(left); x < right; x += 1) {
+      for (const y of [Math.ceil(top), Math.floor(bottom) - 1]) {
+        const offset = (out.width * y + x) * 4;
+        out.data.set(color, offset);
+      }
+    }
+    if (!slot.ok) {
+      for (let y = Math.ceil(top); y < bottom; y += 1) {
+        for (const x of [Math.ceil(left), Math.floor(right) - 1]) {
+          out.data.set(color, (out.width * y + x) * 4);
+        }
+      }
+    }
+  }
+  writeFileSync(path, PNG.sync.write(out));
+}
+
+function inkAt(png, x, y, background) {
+  const offset = (png.width * Math.round(y) + Math.round(x)) * 4;
+  return (
+    Math.abs(png.data[offset] - background[0]) > INK_THRESHOLD ||
+    Math.abs(png.data[offset + 1] - background[1]) > INK_THRESHOLD ||
+    Math.abs(png.data[offset + 2] - background[2]) > INK_THRESHOLD
+  );
+}
+
+/** Pixels in `box` that differ from `background` in some channel by more than the ink threshold. */
+export function countInk(png, box, background) {
+  let count = 0;
+  for (let y = Math.ceil(box.top); y < Math.floor(box.bottom); y += 1) {
+    for (let x = Math.ceil(box.left); x < Math.floor(box.right); x += 1) {
+      if (inkAt(png, x, y, background)) count += 1;
+    }
+  }
+  return count;
+}
+
+function differs(a, b) {
+  return a.some((channel, index) => Math.abs(channel - b[index]) > INK_THRESHOLD);
+}
+
+/** Distance from `pixel` to the nearest blend of `background` toward `color`. */
+function blendDistance(pixel, background, color) {
+  const direction = color.map((channel, index) => channel - background[index]);
+  const length = direction.reduce((sum, value) => sum + value * value, 0);
+  const offset = pixel.map((channel, index) => channel - background[index]);
+  const along = offset.reduce((sum, value, index) => sum + value * direction[index], 0);
+  const alpha = length === 0 ? 0 : Math.min(1, Math.max(0, along / length));
+  return Math.hypot(...offset.map((value, index) => value - alpha * direction[index]));
+}
+
+/** Ink pixels in `box` that are a blend of the background toward `color`. */
+function countColor(png, box, background, color, other) {
+  let count = 0;
+  for (let y = Math.ceil(box.top); y < Math.floor(box.bottom); y += 1) {
+    for (let x = Math.ceil(box.left); x < Math.floor(box.right); x += 1) {
+      if (!inkAt(png, x, y, background)) continue;
+      const pixel = pixelAt(png, x, y);
+      const distance = blendDistance(pixel, background, color);
+      if (distance > BLEND_TOLERANCE) continue;
+      if (other && blendDistance(pixel, background, other) <= distance) continue;
+      count += 1;
+    }
+  }
+  return count;
+}
+
+function pixelAt(png, x, y) {
+  const offset = (png.width * Math.round(y) + Math.round(x)) * 4;
+  return [png.data[offset], png.data[offset + 1], png.data[offset + 2]];
+}
+
+/** Reads the grid origin and cell width from a ruler row of `RULER_CELLS` full blocks. */
+export function measureGrid(png, rulerRect) {
+  const y = rulerRect.y + rulerRect.height / 2;
+  const background = pixelAt(png, rulerRect.x + rulerRect.width - 2, y);
+  let left = -1;
+  let right = -1;
+  for (let x = Math.ceil(rulerRect.x); x < rulerRect.x + rulerRect.width; x += 1) {
+    if (!inkAt(png, x, y, background)) continue;
+    if (left < 0) left = x;
+    right = x + 1;
+  }
+  assert.ok(left >= 0, "The ruler row has no ink");
+  const foreground = pixelAt(png, Math.round((left + right) / 2), y);
+  return { left, cellWidth: (right - left) / RULER_CELLS, background, foreground };
+}
+
+function lineNames(buffer, count) {
+  const names = fixtureLines(0).map((line) => line.name);
+  const result = [];
+  let index = -1;
+  for (let row = 0; row < count; row += 1) {
+    if (!buffer.getLine(row).isWrapped) index += 1;
+    result.push(names[index] ?? `line-${index}`);
+  }
+  return result;
+}
+
+/** The row's printed cells, consecutive cells of one grapheme cluster grouped together. */
+function rowClusters(line, columns, cell) {
+  const cells = [];
+  let text = "";
+  for (let col = 0; col < columns; col += 1) {
+    line.getCell(col, cell);
+    const width = cell.getWidth();
+    if (width === 0) continue;
+    const chars = cell.getChars() || " ";
+    cells.push({
+      col,
+      width,
+      chars,
+      offset: text.length,
+      painted: cell.isInverse() || !cell.isBgDefault(),
+      accent: cell.isFgRGB() && cell.getFgColor() === rgbValue(ACCENT),
+    });
+    text += chars;
+  }
+  const clusterEnds = [...graphemes.segment(text)].map(
+    (segment) => segment.index + segment.segment.length,
+  );
+  const clusters = [];
+  let end = 0;
+  for (const entry of cells) {
+    while (entry.offset >= clusterEnds[end]) end += 1;
+    const last = clusters.at(-1);
+    if (last && last.end === end) last.cells.push(entry);
+    else clusters.push({ end, cells: [entry] });
+  }
+  return clusters.map((cluster) => cluster.cells);
+}
+
+function rgbValue([red, green, blue]) {
+  return (red << 16) | (green << 8) | blue;
+}
+
+/** Each cell of a cluster that uses the accent color holds ink of its own color only. */
+function checkClusterColors({ png, cluster, rect, grid }) {
+  const kinds = [];
+  for (const entry of cluster) {
+    const box = {
+      left: grid.left + entry.col * grid.cellWidth + 1,
+      right: grid.left + (entry.col + entry.width) * grid.cellWidth - 1,
+      top: rect.y,
+      bottom: rect.y + rect.height,
+    };
+    const [color, other] = entry.accent ? [ACCENT, grid.foreground] : [grid.foreground, ACCENT];
+    const own = countColor(png, box, grid.background, color, other);
+    const foreign = countColor(png, box, grid.background, other, color);
+    if (own < MIN_CLUSTER_INK || foreign > MAX_FOREIGN_INK) {
+      kinds.push({ col: entry.col, kind: entry.accent ? "accent-color-lost" : "color-leaked" });
+    }
+  }
+  return kinds;
+}
+
+function checkRows({ png, terminal, rows, grid }) {
+  const buffer = terminal.buffer.active;
+  const lastRow = buffer.cursorY;
+  const names = lineNames(buffer, lastRow + 1);
+  const failures = [];
+  const slots = [];
+  const cell = buffer.getNullCell();
+  for (let row = 0; row <= lastRow; row += 1) {
+    const rect = rows.get(row);
+    if (!rect) {
+      failures.push({ row, line: names[row], kind: "missing-row" });
+      continue;
+    }
+    const clusters = rowClusters(buffer.getLine(row), terminal.cols, cell);
+    // Color is judged on whole rows that use the accent, so a color leaking into a neighbouring
+    // default-colored cell fails too.
+    const checksColor = clusters.some((cluster) => cluster.some((entry) => entry.accent));
+    for (const cluster of clusters) {
+      const first = cluster[0];
+      const columns = cluster.reduce((sum, entry) => sum + entry.width, 0);
+      const left = grid.left + first.col * grid.cellWidth;
+      const right = left + columns * grid.cellWidth;
+      const box = { left: left + 1, right: right - 1, top: rect.y, bottom: rect.y + rect.height };
+      const chars = cluster.map((entry) => entry.chars).join("");
+      const isCursor = row === lastRow && first.col === buffer.cursorX;
+      let kind = null;
+      if (isCursor) {
+        const covered = countInk(png, box, grid.background);
+        const area = (box.right - box.left) * (box.bottom - box.top);
+        if (covered < area * 0.25) kind = "cursor-not-drawn";
+      } else if (chars.trim() !== "") {
+        if (countInk(png, box, grid.background) < MIN_CLUSTER_INK) kind = "missing-ink";
+      } else if (!cluster.some((entry) => entry.painted)) {
+        const quarter = (right - left) / 4;
+        const center = { ...box, left: left + quarter, right: right - quarter };
+        if (countInk(png, center, grid.background) > 0) kind = "ink-in-blank";
+      }
+      const colorFailures =
+        kind === null && checksColor && chars.trim() !== ""
+          ? checkClusterColors({ png, cluster, rect, grid })
+          : [];
+      slots.push({
+        row,
+        line: names[row],
+        col: first.col,
+        width: columns,
+        chars,
+        isCursor,
+        box,
+        ok: kind === null && colorFailures.length === 0,
+      });
+      if (kind) failures.push({ row, line: names[row], col: first.col, char: chars, kind });
+      for (const failure of colorFailures) {
+        failures.push({ row, line: names[row], char: chars, ...failure });
+      }
+    }
+  }
+  return { failures, slots };
+}

packages/app/e2e/mobile/terminal-rendering/fixture.mjs

@@ -0,0 +1,59 @@
+// Terminal output covering the scripts and styles the native renderer must place on the grid.
+// Each entry is one line of output; `ruler` is drawn with full blocks so the harness can read
+// the grid origin and cell width from pixels, independent of the renderer under test.
+
+const ESC = "\u001b";
+const sgr = (codes, text) => `${ESC}[${codes}m${text}${ESC}[0m`;
+
+export const RULER_CELLS = 20;
+/** A foreground no theme uses, so its pixels can be told apart from default text. */
+export const ACCENT = [255, 64, 160];
+const accent = (text) => sgr(`38;2;${ACCENT.join(";")}`, text);
+/**
+ * The `select` line starts with a conjunct whose first cell the harness selects on its own. Its
+ * second cell uses the accent, which no theme's selection foreground matches.
+ */
+export const SELECT_LINE = "select";
+
+export function fixtureLines(columns) {
+  const wrapSyllables = Math.ceil(columns / 2) + 6;
+  return [
+    { name: "ruler", text: "█".repeat(RULER_CELLS) },
+    { name: "ascii", text: "ASCII abcdefghij 0123456789 end" },
+    { name: "hangul-mixed", text: "한글 문장 Hello end" },
+    { name: "hangul-color-boundary", text: `안녕하세요${sgr(31, "NEXT")} end` },
+    { name: "hangul-bold-boundary", text: `${sgr(1, "안녕하세요")}NEXT end` },
+    { name: "hangul-decomposed", text: "한글 end" },
+    { name: "cjk", text: "日本語テキスト 中文字符 end" },
+    { name: "combining", text: "é ä ñ x̣̂ end" },
+    { name: "arabic", text: "مرحبا لا 123 abc end" },
+    { name: "devanagari", text: "नमस्ते क्षत्रिय end" },
+    { name: "emoji", text: "👍 ❤️ 👋🏽 👩‍💻 🇰🇷 end" },
+    // One shaped cluster over two cells, colored per cell: the color must follow the cell.
+    { name: "split-color", text: `क्${accent("ष")} ${accent("क्")}ष ल${accent("ا")} end` },
+    { name: SELECT_LINE, text: `क्${accent("ष")} end` },
+    { name: "box", text: "╭──┬──╮ │ab│cd│ ╰──┴──╯ ▀▄▌▐░▒▓ end" },
+    {
+      name: "styles",
+      text: [
+        sgr(1, "bold"),
+        sgr(3, "italic"),
+        sgr(4, "under"),
+        sgr(7, "inverse"),
+        sgr(42, "bg"),
+        sgr(9, "strike"),
+        "end",
+      ].join(" "),
+    },
+    { name: "hangul-wrap", text: "가".repeat(wrapSyllables) },
+    // The last line has no newline: the shell sleeps with the cursor right after it.
+    { name: "cursor", text: "> 안녕하세요" },
+  ];
+}
+
+/** The bytes `cat` writes; the tty turns each newline into CR LF. */
+export function fixtureOutput(columns) {
+  return fixtureLines(columns)
+    .map((line) => line.text)
+    .join("\n");
+}

packages/app/e2e/mobile/terminal-rendering/identity.mjs

@@ -0,0 +1,423 @@
+import { execFileSync } from "node:child_process";
+import { mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { resolve } from "node:path";
+import { PNG } from "pngjs";
+import { checkTerminalScreenshot } from "./check.mjs";
+
+// Checks that every printed cluster of a `render.mjs` run is the right glyph. `check.mjs` proves
+// where ink lands and what color it has; this compares each cluster's ink with pango's (HarfBuzz)
+// rendering of the same characters in the device's own fonts, so a wrong glyph, tofu, a solid
+// block, a split conjunct or a cluster from elsewhere fails.
+//
+//   FONTCONFIG_FILE=<fonts.conf> node e2e/mobile/terminal-rendering/identity.mjs <run dir> [control]
+//
+// The fonts.conf lists the device's font files and prefers, for `monospace`, the terminal font
+// followed by the device's fallbacks; `docs/terminal-rendering.md` says how to build one. Needs
+// `pango-view` on the PATH.
+//
+// control:
+//   none  judge the screenshot (default); exits 1 when a cluster fails.
+//   rect  first fill every judged cluster's box with white; exits 1 unless every cluster fails.
+//   swap  judge each cluster against a different cluster of the corpus; exits 1 unless every
+//         cluster fails.
+// The two controls prove the oracle refuses ink that is present but wrong.
+
+/** Coverage grid side used to compare shapes. */
+const GRID = 16;
+/** A pixel at or above this ink strength (0..1) is part of a glyph's bounding box. */
+const INK = 0.25;
+/** Lowest shape correlation a cluster may have with its own reference. */
+const THRESHOLD = 0.6;
+/** How much better another cluster may match before the cluster's own match stops counting. */
+const MARGIN = 0.02;
+/** Lines whose cells carry decorations or a custom-drawn ruler; they stay geometry-only. */
+const SKIPPED_LINES = new Set(["ruler", "styles"]);
+const ZWJ = "‍";
+
+/**
+ * The renderer draws box and block characters to fill the cell, so they are judged against their
+ * Unicode definition. Shades come from the font, whose fallback differs between the device and
+ * pango, so a shade is judged by how evenly and densely it inks its own bounding box. Fonts dither
+ * differently: ░ ▒ ▓ measure 0.16, 0.31, 0.75 in Droid Sans Mono and 0.19, 0.50, 0.81 in Menlo. The
+ * bands split between those, and do not overlap, so one shade never passes as another.
+ */
+const CELL_GLYPHS = {
+  "─": { arms: "LR" },
+  "│": { arms: "UD" },
+  "┬": { arms: "LRD" },
+  "┴": { arms: "LRU" },
+  "╭": { arms: "DR" },
+  "╮": { arms: "DL" },
+  "╰": { arms: "UR" },
+  "╯": { arms: "UL" },
+  "▀": { fill: "top" },
+  "▄": { fill: "bottom" },
+  "▌": { fill: "left" },
+  "▐": { fill: "right" },
+  "░": { shade: [0.08, 0.25] },
+  "▒": { shade: [0.25, 0.625] },
+  "▓": { shade: [0.625, 0.9] },
+};
+/** A shade must ink each region of this grid over its bounding box within its band. */
+const SHADE_GRID = 4;
+/** Regions of the cell, as fractions [left, top, right, bottom], that a line to each edge crosses. */
+const ARM_REGIONS = {
+  U: [0.3, 0, 0.7, 0.2],
+  D: [0.3, 0.8, 0.7, 1],
+  L: [0, 0.3, 0.2, 0.7],
+  R: [0.8, 0.3, 1, 0.7],
+};
+/** [filled, empty] halves of each half block. */
+const HALVES = {
+  top: [
+    [0, 0, 1, 0.5],
+    [0, 0.5, 1, 1],
+  ],
+  bottom: [
+    [0, 0.5, 1, 1],
+    [0, 0, 1, 0.5],
+  ],
+  left: [
+    [0, 0, 0.5, 1],
+    [0.5, 0, 1, 1],
+  ],
+  right: [
+    [0.5, 0, 1, 1],
+    [0, 0, 0.5, 1],
+  ],
+};
+
+const [dirArg, control = "none"] = process.argv.slice(2);
+if (!dirArg || !["none", "rect", "swap"].includes(control)) {
+  throw new Error("Usage: identity.mjs <run dir> [none|rect|swap]");
+}
+const dir = resolve(dirArg);
+const report = JSON.parse(readFileSync(resolve(dir, "report.json"), "utf8"));
+const png = PNG.sync.read(readFileSync(resolve(dir, "terminal.png")));
+const rows = new Map(report.rows.map((row) => [row.index, row.rect]));
+const { grid, slots } = await checkTerminalScreenshot({ png, size: report.size, rows });
+
+const printed = slots.filter(
+  (slot) => !SKIPPED_LINES.has(slot.line) && !slot.isCursor && slot.chars.trim() !== "",
+);
+/** The columns xterm gives each printed cluster. */
+const columnsOf = new Map(printed.map((slot) => [slot.chars, slot.width]));
+
+if (control === "rect") {
+  for (const { box } of printed) {
+    for (let y = Math.ceil(box.top); y < Math.floor(box.bottom); y += 1) {
+      for (let x = Math.ceil(box.left); x < Math.floor(box.right); x += 1) {
+        png.data.set([255, 255, 255, 255], (png.width * y + x) * 4);
+      }
+    }
+  }
+}
+
+/** Ink strength 0..1 of each pixel in a box: the largest channel distance from the background. */
+function screenshotInk(box) {
+  const left = Math.ceil(box.left);
+  const top = Math.ceil(box.top);
+  const width = Math.floor(box.right) - left;
+  const height = Math.floor(box.bottom) - top;
+  const ink = new Float32Array(width * height);
+  for (let y = 0; y < height; y += 1) {
+    for (let x = 0; x < width; x += 1) {
+      const offset = (png.width * (top + y) + left + x) * 4;
+      let distance = 0;
+      for (let channel = 0; channel < 3; channel += 1) {
+        distance = Math.max(
+          distance,
+          Math.abs(png.data[offset + channel] - grid.background[channel]),
+        );
+      }
+      ink[y * width + x] = distance / 255;
+    }
+  }
+  return { ink, width, height };
+}
+
+/** Ink of the slot's whole cells, scaled so the foreground color is 1. */
+function cellInk(slot) {
+  const left = Math.round(grid.left + slot.col * grid.cellWidth);
+  const right = Math.round(grid.left + (slot.col + slot.width) * grid.cellWidth);
+  const cells = screenshotInk({ left, right, top: slot.box.top, bottom: slot.box.bottom });
+  const full =
+    Math.max(...[0, 1, 2].map((c) => Math.abs(grid.foreground[c] - grid.background[c]))) / 255;
+  for (let i = 0; i < cells.ink.length; i += 1) cells.ink[i] = Math.min(1, cells.ink[i] / full);
+  return cells;
+}
+
+const scratch = mkdtempSync(resolve(tmpdir(), "terminal-identity-"));
+/** pango-view sizes its image to the text's advance plus this margin on each side. */
+const REFERENCE_MARGIN = 48;
+function pangoInk(text) {
+  const out = resolve(scratch, "reference.png");
+  execFileSync("pango-view", [
+    "--no-display",
+    "--dpi=72",
+    "--font=monospace 96px",
+    `--text=${text}`,
+    "--background=black",
+    "--foreground=white",
+    `--margin=${REFERENCE_MARGIN}`,
+    "-o",
+    out,
+  ]);
+  const image = PNG.sync.read(readFileSync(out));
+  const ink = new Float32Array(image.width * image.height);
+  for (let i = 0; i < ink.length; i += 1) {
+    const o = i * 4;
+    ink[i] = Math.max(image.data[o], image.data[o + 1], image.data[o + 2]) / 255;
+  }
+  return {
+    ink,
+    width: image.width,
+    height: image.height,
+    advance: image.width - 2 * REFERENCE_MARGIN,
+  };
+}
+
+/** The terminal font's cell advance at the reference size. */
+const referenceCell = pangoInk("M").advance;
+
+/**
+ * The text as the renderer places it in `columns` cells: centred, scaled down when its advance is
+ * wider, and cut at the cells' edges. Glyphs whose ink overhangs their advance, such as Devanagari
+ * headlines, are cut on the device too.
+ */
+function referenceInk(text, columns) {
+  const image = pangoInk(text);
+  const box = Math.max(image.advance, columns * referenceCell);
+  const left = Math.round(REFERENCE_MARGIN + (image.advance - box) / 2);
+  const right = Math.round(REFERENCE_MARGIN + (image.advance + box) / 2);
+  for (let y = 0; y < image.height; y += 1) {
+    for (let x = 0; x < image.width; x += 1) {
+      if (x < left || x >= right) image.ink[y * image.width + x] = 0;
+    }
+  }
+  return image;
+}
+
+function regionInk({ ink, width, height }, [x0, y0, x1, y1]) {
+  let [sum, max, count] = [0, 0, 0];
+  for (let y = Math.floor(y0 * height); y < Math.ceil(y1 * height); y += 1) {
+    for (let x = Math.floor(x0 * width); x < Math.ceil(x1 * width); x += 1) {
+      const value = ink[y * width + x] ?? 0;
+      sum += value;
+      max = Math.max(max, value);
+      count += 1;
+    }
+  }
+  return { mean: sum / count, max };
+}
+
+function inkBox({ ink, width, height }) {
+  let [minX, minY, maxX, maxY] = [width, height, -1, -1];
+  for (let y = 0; y < height; y += 1) {
+    for (let x = 0; x < width; x += 1) {
+      if (ink[y * width + x] < INK) continue;
+      minX = Math.min(minX, x);
+      maxX = Math.max(maxX, x);
+      minY = Math.min(minY, y);
+      maxY = Math.max(maxY, y);
+    }
+  }
+  return maxX < 0 ? null : { x: minX, y: minY, width: maxX - minX + 1, height: maxY - minY + 1 };
+}
+
+/** Whether an unbroken line crosses the region to the cell edge: a row for L/R, a column for U/D. */
+function lineCrosses({ ink, width, height }, arm) {
+  const [x0, y0, x1, y1] = ARM_REGIONS[arm];
+  const [left, top, right, bottom] = [
+    Math.floor(x0 * width),
+    Math.floor(y0 * height),
+    Math.ceil(x1 * width),
+    Math.ceil(y1 * height),
+  ];
+  const horizontal = arm === "L" || arm === "R";
+  const [outerFrom, outerTo, innerFrom, innerTo] = horizontal
+    ? [top, bottom, left, right]
+    : [left, right, top, bottom];
+  for (let outer = outerFrom; outer < outerTo; outer += 1) {
+    let unbroken = true;
+    for (let inner = innerFrom; inner < innerTo && unbroken; inner += 1) {
+      const [x, y] = horizontal ? [inner, outer] : [outer, inner];
+      unbroken = (ink[y * width + x] ?? 0) >= 0.5;
+    }
+    if (unbroken) return true;
+  }
+  return false;
+}
+
+/** 1 when the cell matches the character's definition, 0 otherwise. */
+function cellGlyphScore(slot, spec) {
+  const ink = cellInk(slot);
+  if (spec.arms) {
+    const matches = Object.keys(ARM_REGIONS).every((arm) =>
+      spec.arms.includes(arm) ? lineCrosses(ink, arm) : regionInk(ink, ARM_REGIONS[arm]).max < 0.3,
+    );
+    return matches ? 1 : 0;
+  }
+  if (spec.fill) {
+    const [filled, empty] = HALVES[spec.fill].map((region) => regionInk(ink, region).mean);
+    return filled >= 0.8 && empty <= 0.2 ? 1 : 0;
+  }
+  const box = inkBox(ink);
+  if (!box || box.width < 0.7 * ink.width || box.height < 0.5 * ink.height) return 0;
+  const [x0, y0] = [box.x / ink.width, box.y / ink.height];
+  const [x1, y1] = [(box.x + box.width) / ink.width, (box.y + box.height) / ink.height];
+  const [w, h] = [(x1 - x0) / SHADE_GRID, (y1 - y0) / SHADE_GRID];
+  const regions = Array.from({ length: SHADE_GRID * SHADE_GRID }, (_, index) => {
+    const [gx, gy] = [index % SHADE_GRID, Math.floor(index / SHADE_GRID)];
+    return [x0 + gx * w, y0 + gy * h, x0 + (gx + 1) * w, y0 + (gy + 1) * h];
+  });
+  const means = regions.map((region) => regionInk(ink, region).mean);
+  return means.every((mean) => mean >= spec.shade[0] && mean < spec.shade[1]) ? 1 : 0;
+}
+
+/** Coverage of the ink's bounding box, centered in a square that keeps its aspect, at GRID². */
+function coverage(image) {
+  const box = inkBox(image);
+  if (!box) return null;
+  const side = Math.max(box.width, box.height);
+  const originX = box.x - (side - box.width) / 2;
+  const originY = box.y - (side - box.height) / 2;
+  const vector = new Float32Array(GRID * GRID);
+  const step = side / GRID;
+  const samples = 4;
+  for (let gy = 0; gy < GRID; gy += 1) {
+    for (let gx = 0; gx < GRID; gx += 1) {
+      let sum = 0;
+      for (let sample = 0; sample < samples * samples; sample += 1) {
+        const x = Math.floor(originX + (gx + ((sample % samples) + 0.5) / samples) * step);
+        const y = Math.floor(
+          originY + (gy + (Math.floor(sample / samples) + 0.5) / samples) * step,
+        );
+        sum +=
+          x >= 0 && y >= 0 && x < image.width && y < image.height
+            ? image.ink[y * image.width + x]
+            : 0;
+      }
+      vector[gy * GRID + gx] = sum / (samples * samples);
+    }
+  }
+  return vector;
+}
+
+/** Pearson correlation of two coverage vectors; -1 when either has no ink or no contrast. */
+function correlation(a, b) {
+  if (!a || !b) return -1;
+  const n = a.length;
+  let [ma, mb] = [0, 0];
+  for (let i = 0; i < n; i += 1) {
+    ma += a[i];
+    mb += b[i];
+  }
+  ma /= n;
+  mb /= n;
+  let [num, da, db] = [0, 0, 0];
+  for (let i = 0; i < n; i += 1) {
+    num += (a[i] - ma) * (b[i] - mb);
+    da += (a[i] - ma) ** 2;
+    db += (b[i] - mb) ** 2;
+  }
+  return da === 0 || db === 0 ? -1 : num / Math.sqrt(da * db);
+}
+
+const references = new Map();
+/**
+ * The cluster alone and with a zero-width joiner before, after and on both sides, so any Arabic
+ * positional form of the right letter matches.
+ */
+function referenceVectors(chars) {
+  if (!references.has(chars)) {
+    const forms = [chars, ZWJ + chars, chars + ZWJ, ZWJ + chars + ZWJ];
+    references.set(
+      chars,
+      forms.map((text) => coverage(referenceInk(text, columnsOf.get(chars)))),
+    );
+  }
+  return references.get(chars);
+}
+
+function shapeScore(vector, chars) {
+  return Math.max(...referenceVectors(chars).map((reference) => correlation(vector, reference)));
+}
+
+/**
+ * pango draws no ink for Apple Color Emoji, and draws flags on neither device. Those clusters have
+ * no reference and are reported instead of judged.
+ */
+const hasReference = (chars) =>
+  CELL_GLYPHS[chars] ||
+  (!/^\p{Regional_Indicator}{2}$/u.test(chars) && referenceVectors(chars).some(Boolean));
+const judged = printed.filter((slot) => hasReference(slot.chars));
+const unjudged = printed
+  .filter((slot) => !hasReference(slot.chars))
+  .map((slot) => ({
+    line: slot.line,
+    col: slot.col,
+    chars: slot.chars,
+    reason: "no reference ink",
+  }));
+
+const distinct = [...new Set(judged.map((slot) => slot.chars))];
+const shapes = distinct.filter((chars) => !CELL_GLYPHS[chars]);
+
+/** The cluster a slot is judged against: its own, or under `swap` a different one. */
+function expectedChars(slot, index) {
+  if (control !== "swap") return slot.chars;
+  const own = distinct.indexOf(slot.chars);
+  const other = distinct[(own + 1 + (index % (distinct.length - 1))) % distinct.length];
+  return other === slot.chars ? distinct[(own + 1) % distinct.length] : other;
+}
+
+function judge(slot, index) {
+  const expected = expectedChars(slot, index);
+  const result = { line: slot.line, row: slot.row, col: slot.col, chars: slot.chars, expected };
+  const spec = CELL_GLYPHS[expected];
+  if (spec) {
+    result.score = cellGlyphScore(slot, spec);
+    return result;
+  }
+  // The shape must also resemble its own cluster at least as much as any other cluster in the
+  // corpus, within MARGIN, so a near-lookalike such as g judged as 8 fails.
+  const vector = coverage(screenshotInk(slot.box));
+  const score = shapeScore(vector, expected);
+  let nearest = { chars: expected, score };
+  for (const other of shapes) {
+    if (other === expected) continue;
+    const otherScore = shapeScore(vector, other);
+    if (otherScore > nearest.score) nearest = { chars: other, score: otherScore };
+  }
+  const distinctive = nearest.chars === expected || nearest.score - score <= MARGIN;
+  result.score = distinctive ? score : Math.min(score, 0);
+  result.nearest = nearest;
+  return result;
+}
+
+const results = judged.map(judge);
+rmSync(scratch, { recursive: true, force: true });
+
+const passed = results.filter((result) => result.score >= THRESHOLD);
+const failed = results.filter((result) => result.score < THRESHOLD);
+const outDir = resolve(dir, "identity");
+mkdirSync(outDir, { recursive: true });
+writeFileSync(
+  resolve(outDir, `${control}.json`),
+  `${JSON.stringify({ control, threshold: THRESHOLD, unjudged, results }, null, 2)}\n`,
+);
+
+const format = (result) =>
+  `${result.line}@${result.col}(${result.chars}${result.expected === result.chars ? "" : `→${result.expected}`})=${result.score.toFixed(2)}${result.nearest && result.nearest.chars !== result.expected ? ` nearest ${result.nearest.chars}` : ""}`;
+console.log(
+  `${report.label} ${control}: ${results.length} clusters judged, ${passed.length} pass, ${failed.length} fail, ${unjudged.length} unjudged (${outDir})`,
+);
+if (control === "none") {
+  for (const result of failed) console.log(`  fail ${format(result)}`);
+  process.exitCode = failed.length === 0 ? 0 : 1;
+} else {
+  for (const result of passed) console.log(`  accepted ${format(result)}`);
+  process.exitCode = passed.length === 0 ? 0 : 1;
+}

packages/app/e2e/mobile/terminal-rendering/overhang.mjs

@@ -0,0 +1,236 @@
+import assert from "node:assert/strict";
+import { execFileSync } from "node:child_process";
+import { mkdirSync, readFileSync, writeFileSync } from "node:fs";
+import { homedir, tmpdir } from "node:os";
+import { resolve } from "node:path";
+import { setTimeout } from "node:timers/promises";
+import { PNG } from "pngjs";
+import { countInk, measureGrid } from "./check.mjs";
+import { RULER_CELLS } from "./fixture.mjs";
+
+// Checks ink that leaves its row: stacked marks above and below a row reach into the rows next to
+// it. The script prints such rows, then in one update writes into two rows that hold another row's
+// overhang and erases two rows whose overhang reaches a blank row. The overhang must be drawn
+// before the update, stay drawn in the written rows, and leave no ink behind the erased rows.
+//
+// Preconditions are the same as `render.mjs`: the app runs the build being verified against a
+// daemon on the same host as this script, and shows an idle, focused terminal with an empty prompt.
+//
+//   PLATFORM=android ANDROID_SERIAL=emulator-5554 node e2e/mobile/terminal-rendering/overhang.mjs
+//   PLATFORM=ios IOS_DEVICE="iPhone 17" node e2e/mobile/terminal-rendering/overhang.mjs
+const platform = process.env.PLATFORM ?? "android";
+const appId = process.env.PASEO_TERMINAL_RENDERING_APP_ID ?? "sh.paseo.debug";
+const label = process.env.PASEO_TERMINAL_RENDERING_LABEL ?? "overhang";
+const session = process.env.AGENT_DEVICE_SESSION ?? `terminal-rendering-${platform}`;
+const artifacts = resolve(
+  process.env.PASEO_TERMINAL_RENDERING_ARTIFACTS ??
+    resolve(homedir(), ".paseo/artifacts/terminal-rendering", platform),
+  label,
+);
+const fixtureDir = process.env.PASEO_TERMINAL_RENDERING_FIXTURE_DIR ?? tmpdir();
+const screenshotArgs =
+  platform === "ios"
+    ? ["--pixel-density", process.env.PASEO_TERMINAL_RENDERING_PIXEL_DENSITY ?? "3"]
+    : [];
+const env = {
+  ...process.env,
+  AGENT_DEVICE_STATE_DIR:
+    process.env.AGENT_DEVICE_STATE_DIR ??
+    resolve(homedir(), ".paseo/artifacts/terminal-rendering/device-state"),
+};
+mkdirSync(artifacts, { recursive: true });
+
+/** Marks stacked below the row: Arabic dots, rings below `g`, a vowel sign below a consonant. */
+const BELOW = "پپپ ييي ججج g̥̥̥̥ कृ";
+/** Marks stacked above the row: accents over `e` and `s`, candrabindu, om. */
+const ABOVE = "é́́́ ŝ̂̂ कँ ॐ";
+/** The marks rows stay left of this column; the update writes at it, outside the checked boxes. */
+const CHECKED_COLUMNS = 26;
+const WRITE_COLUMN = 30;
+/** 0-based rows. Each source row's overhang reaches the row next to it. */
+const SOURCES = [
+  { row: 2, text: BELOW, overhangRow: 3, update: "write" },
+  { row: 6, text: ABOVE, overhangRow: 5, update: "erase" },
+  { row: 9, text: BELOW, overhangRow: 10, update: "erase" },
+  { row: 13, text: ABOVE, overhangRow: 12, update: "write" },
+];
+const PARK_ROW = 16;
+
+function ad(...args) {
+  return execFileSync("agent-device", [...args, "--session", session], {
+    env,
+    encoding: "utf8",
+    timeout: 60_000,
+  });
+}
+
+function deviceArgs() {
+  if (platform === "android") {
+    return [
+      "--platform",
+      "android",
+      ...(process.env.ANDROID_SERIAL ? ["--serial", process.env.ANDROID_SERIAL] : []),
+    ];
+  }
+  return [
+    "--platform",
+    "ios",
+    ...(process.env.IOS_DEVICE ? ["--device", process.env.IOS_DEVICE] : []),
+  ];
+}
+
+function snapshotNodes() {
+  return JSON.parse(ad("snapshot", "--json")).data.nodes;
+}
+
+function pressControl(id) {
+  const node = JSON.parse(ad("snapshot", "-i", "--json")).data.nodes.find(
+    (candidate) => candidate.identifier === id,
+  );
+  assert.ok(node?.rect, `No ${id} control on screen`);
+  const { x, y, width, height } = node.rect;
+  ad("press", String(Math.round(x + width / 2)), String(Math.round(y + height / 2)));
+}
+
+async function pressEnter() {
+  pressControl("terminal-key-enter");
+  await setTimeout(2_000);
+}
+
+async function runCommand(command) {
+  ad("type", command, "--delay-ms", "0");
+  await pressEnter();
+}
+
+async function terminalSize() {
+  await runCommand("clear; stty size");
+  for (const node of snapshotNodes()) {
+    const match = /^(\d+) (\d+)$/.exec((node.label ?? "").trim());
+    if (match && (node.identifier ?? "").startsWith("terminal-row-")) {
+      return { rows: Number(match[1]), columns: Number(match[2]) };
+    }
+  }
+  throw new Error("No terminal row showed the `stty size` output");
+}
+
+function shellQuote(text) {
+  return `'${text.replaceAll("'", "'\\''")}'`;
+}
+
+/** Prints the source rows, waits for Enter, applies the update, and waits for Enter again. */
+function fixtureScript() {
+  const at = (row, col) => `\\033[${row + 1};${col + 1}H`;
+  const print = (row, text) => `printf '${at(row, 0)}%s' ${shellQuote(text)}`;
+  const update = SOURCES.map((source) =>
+    source.update === "write"
+      ? `${at(source.overhangRow, WRITE_COLUMN)}x`
+      : `${at(source.row, 0)}\\033[2K`,
+  ).join("");
+  return [
+    "stty -echo",
+    "printf '\\033[2J\\033[3J'",
+    print(0, "█".repeat(RULER_CELLS)),
+    ...SOURCES.map((source) => print(source.row, source.text)),
+    `printf '${at(PARK_ROW, 0)}'`,
+    "read -r _",
+    `printf '${update}${at(PARK_ROW, 0)}'`,
+    "read -r _",
+    "stty echo",
+    "",
+  ].join("\n");
+}
+
+function screenshot(name) {
+  const path = resolve(artifacts, name);
+  ad("screenshot", path, ...screenshotArgs);
+  return PNG.sync.read(readFileSync(path));
+}
+
+/** Pixels in `box` where the two screenshots differ by more than the ink threshold. */
+function changedPixels(before, after, box) {
+  const difference = new PNG({ width: before.width, height: before.height });
+  for (let index = 0; index < before.data.length; index += 1) {
+    difference.data[index] = Math.abs(before.data[index] - after.data[index]);
+  }
+  return countInk(difference, box, [0, 0, 0]);
+}
+
+ad("open", appId, ...deviceArgs());
+const controls = JSON.parse(ad("snapshot", "-i", "--json")).data.nodes;
+const hasControl = (id) => controls.some((node) => node.identifier === id);
+assert.ok(hasControl("terminal-keyboard-toggle"), "Open a terminal first");
+if (!hasControl("terminal-key-enter")) pressControl("terminal-keyboard-toggle");
+
+const size = await terminalSize();
+assert.ok(
+  size.rows > PARK_ROW && size.columns > WRITE_COLUMN,
+  `Terminal too small: ${JSON.stringify(size)}`,
+);
+const scriptPath = resolve(fixtureDir, "paseo-terminal-overhang.sh");
+writeFileSync(scriptPath, fixtureScript());
+await runCommand(`sh ${scriptPath}`);
+
+const nodes = snapshotNodes();
+const before = screenshot("before.png");
+await pressEnter();
+const after = screenshot("after.png");
+await pressEnter();
+
+// Snapshot rects are in points on iOS and pixels on Android; the checks work in screenshot pixels.
+const scale = before.width / Math.max(...nodes.map((node) => node.rect?.width ?? 0));
+const ruler = nodes.find((node) => node.identifier === "terminal-row-0")?.rect;
+assert.ok(ruler, "The ruler row is not exposed as terminal-row-0");
+const rulerRect = {
+  x: ruler.x * scale,
+  y: ruler.y * scale,
+  width: ruler.width * scale,
+  height: ruler.height * scale,
+};
+const grid = measureGrid(before, rulerRect);
+const rowBox = (row) => ({
+  left: grid.left,
+  right: grid.left + CHECKED_COLUMNS * grid.cellWidth,
+  top: rulerRect.y + row * rulerRect.height,
+  bottom: rulerRect.y + (row + 1) * rulerRect.height,
+});
+
+/** Measures one source row's overhang before and after the update. */
+function measure(source) {
+  const box = rowBox(source.overhangRow);
+  const overhangBefore = countInk(before, box, grid.background);
+  if (source.update === "write") {
+    const changedAfterWrite = changedPixels(before, after, box);
+    const failures = [
+      ...(overhangBefore === 0 ? ["overhang-not-drawn"] : []),
+      ...(changedAfterWrite > 0 ? ["overhang-lost-after-write"] : []),
+    ];
+    return { ...source, overhangBefore, changedAfterWrite, failures };
+  }
+  const inkAfterErase = countInk(after, box, grid.background);
+  const sourceInkAfterErase = countInk(after, rowBox(source.row), grid.background);
+  const failures = [
+    ...(overhangBefore === 0 ? ["overhang-not-drawn"] : []),
+    ...(inkAfterErase > 0 ? ["overhang-left-after-erase"] : []),
+    ...(sourceInkAfterErase > 0 ? ["source-left-after-erase"] : []),
+  ];
+  return { ...source, overhangBefore, inkAfterErase, sourceInkAfterErase, failures };
+}
+
+const results = SOURCES.map(measure);
+
+const report = { platform, label, size, grid, rulerRect, results };
+writeFileSync(resolve(artifacts, "report.json"), `${JSON.stringify(report, null, 2)}\n`);
+const failures = results.flatMap((result) =>
+  result.failures.map((failure) => `row ${result.overhangRow}: ${failure}`),
+);
+console.log(`${label}: ${failures.length} failures (${artifacts})`);
+for (const result of results) {
+  console.log(
+    `  row ${result.row} -> ${result.overhangRow} (${result.update}): overhang ${result.overhangBefore}` +
+      (result.update === "write"
+        ? `, changed after write ${result.changedAfterWrite}`
+        : `, left after erase ${result.inkAfterErase}, source left ${result.sourceInkAfterErase}`),
+  );
+}
+for (const failure of failures) console.log(`  ${failure}`);
+process.exitCode = failures.length === 0 ? 0 : 1;

packages/app/e2e/mobile/terminal-rendering/reattach.mjs

@@ -0,0 +1,149 @@
+import { homedir } from "node:os";
+import { execFileSync } from "node:child_process";
+import { mkdirSync, writeFileSync } from "node:fs";
+import { resolve } from "node:path";
+import { setTimeout } from "node:timers/promises";
+
+// Reattaches to a terminal whose PTY has a different size than the app will measure, and checks
+// that the client rows equal the daemon's rows. RESIZE=keyboard opens the keyboard, and the
+// relaunched app starts with it closed. RESIZE=fold folds an Android foldable emulator and
+// relaunches the app unfolded. Either way the shell redraws its prompt on attach.
+//
+// Preconditions: the app shows terminal TERMINAL_ID, idle at an empty shell prompt, against the
+// daemon at PASEO_HOST.
+//
+//   PLATFORM=android TERMINAL_ID=511fd9f0 PASEO_HOST=localhost:6870 \
+//     node e2e/mobile/terminal-rendering/reattach.mjs
+//
+// The client used to be sized after the replay arrived, so the shell's redraw landed on the
+// wrong rows in most trials. TRIALS sets how many reattaches to check.
+const platform = process.env.PLATFORM ?? "android";
+const appId = process.env.PASEO_TERMINAL_RENDERING_APP_ID ?? "sh.paseo.debug";
+const appUrl = process.env.PASEO_TERMINAL_RENDERING_APP_URL;
+const terminalId = process.env.TERMINAL_ID;
+const host = process.env.PASEO_HOST;
+const trials = Number(process.env.TRIALS ?? 5);
+const resize = process.env.RESIZE ?? "keyboard";
+const label = process.env.PASEO_TERMINAL_RENDERING_LABEL ?? "reattach";
+const session = process.env.AGENT_DEVICE_SESSION ?? `terminal-rendering-${platform}`;
+const artifacts = resolve(
+  process.env.PASEO_TERMINAL_RENDERING_ARTIFACTS ??
+    resolve(homedir(), ".paseo/artifacts/terminal-rendering", platform),
+  label,
+);
+const env = {
+  ...process.env,
+  AGENT_DEVICE_STATE_DIR:
+    process.env.AGENT_DEVICE_STATE_DIR ??
+    resolve(homedir(), ".paseo/artifacts/terminal-rendering/device-state"),
+};
+if (!terminalId || !host) throw new Error("Set TERMINAL_ID and PASEO_HOST");
+mkdirSync(artifacts, { recursive: true });
+
+function ad(...args) {
+  return execFileSync("agent-device", [...args, "--session", session], {
+    env,
+    encoding: "utf8",
+    timeout: 120_000,
+  });
+}
+
+function paseo(...args) {
+  return execFileSync("npm", ["run", "-s", "cli", "--", ...args, "--host", host], {
+    cwd: resolve(import.meta.dirname, "../../../../.."),
+    encoding: "utf8",
+  });
+}
+
+function pressControl(id) {
+  const node = JSON.parse(ad("snapshot", "-i", "--json")).data.nodes.find(
+    (candidate) => candidate.identifier === id,
+  );
+  if (!node?.rect) throw new Error(`No ${id} control on screen`);
+  const { x, y, width, height } = node.rect;
+  ad("press", String(Math.round(x + width / 2)), String(Math.round(y + height / 2)));
+}
+
+async function resizePty() {
+  if (resize === "keyboard") {
+    pressControl("terminal-keyboard-toggle");
+    await setTimeout(2_000);
+    return;
+  }
+  const adb = (...args) =>
+    execFileSync("adb", [
+      ...(process.env.ANDROID_SERIAL ? ["-s", process.env.ANDROID_SERIAL] : []),
+      ...args,
+    ]);
+  adb("emu", "fold");
+  await setTimeout(5_000);
+  adb("shell", "am", "force-stop", appId);
+  adb("emu", "unfold");
+  await setTimeout(3_000);
+}
+
+function clientRows() {
+  const nodes = JSON.parse(ad("snapshot", "--json")).data.nodes;
+  const byIndex = new Map(nodes.map((node) => [node.index, node]));
+  const rows = [];
+  for (const node of nodes) {
+    const match = /^terminal-row-(\d+)$/.exec(node.identifier ?? "");
+    if (!match) continue;
+    // agent-device leaves the label on the parent when the row inherits it.
+    const text = node.label ?? (node.inheritsLabel ? byIndex.get(node.parentIndex)?.label : "");
+    rows[Number(match[1])] = (text ?? "").trim();
+  }
+  return rows;
+}
+
+/**
+ * Waits for the relaunched app to show terminal rows, then for the shell's redraw to land.
+ * Returns null when no row appears, for example when the app crashed on launch.
+ */
+async function attachedClientRows() {
+  for (let attempt = 0; attempt < 30; attempt += 1) {
+    await setTimeout(2_000);
+    if (clientRows().some((text) => text !== "")) {
+      await setTimeout(3_000);
+      return clientRows();
+    }
+  }
+  return null;
+}
+
+function mismatches(client, server) {
+  const rows = [];
+  for (let row = 0; row < Math.max(client.length, server.length); row += 1) {
+    const expected = (server[row] ?? "").trim();
+    const actual = client[row] ?? "";
+    if (expected !== actual) rows.push({ row, server: expected, client: actual });
+  }
+  return rows;
+}
+
+const results = [];
+for (let trial = 1; trial <= trials; trial += 1) {
+  paseo("terminal", "send-keys", terminalId, "clear", "Enter");
+  await setTimeout(1_500);
+  await resizePty();
+  ad("open", appId, ...(appUrl ? [appUrl] : []), "--relaunch");
+  const client = await attachedClientRows();
+  ad("screenshot", resolve(artifacts, `trial-${trial}.png`));
+  if (!client) {
+    results.push({ trial, attached: false });
+    console.log(`${label} trial ${trial}: no terminal rows appeared`);
+    continue;
+  }
+  const server = paseo("terminal", "capture", terminalId).split("\n");
+  const rows = mismatches(client, server);
+  results.push({ trial, attached: true, mismatchedRows: rows });
+  console.log(`${label} trial ${trial}: ${rows.length} mismatched rows`);
+}
+
+writeFileSync(resolve(artifacts, "report.json"), `${JSON.stringify(results, null, 2)}\n`);
+const attached = results.filter((result) => result.attached);
+const failed = attached.filter((result) => result.mismatchedRows.length > 0).length;
+console.log(
+  `${label}: ${failed} of ${attached.length} reattaches differ from the daemon, ${trials - attached.length} never attached (${artifacts})`,
+);
+process.exitCode = failed === 0 && attached.length === trials ? 0 : 1;

packages/app/e2e/mobile/terminal-rendering/render.mjs

@@ -0,0 +1,197 @@
+import assert from "node:assert/strict";
+import { execFileSync } from "node:child_process";
+import { mkdirSync, readFileSync, writeFileSync } from "node:fs";
+import { homedir, tmpdir } from "node:os";
+import { resolve } from "node:path";
+import { setTimeout } from "node:timers/promises";
+import { PNG } from "pngjs";
+import {
+  checkPartialSelection,
+  checkTerminalScreenshot,
+  selectionTarget,
+  writeOverlay,
+} from "./check.mjs";
+import { fixtureOutput } from "./fixture.mjs";
+
+// Renders the fixture in a real Paseo terminal and checks the screenshot with `check.mjs`, then
+// selects one cell of a conjunct and checks a second screenshot.
+//
+// Preconditions: the app runs the build being verified against a daemon on the same host as
+// this script, and shows an idle, focused terminal with an empty shell prompt.
+//
+//   PLATFORM=android ANDROID_SERIAL=emulator-5554 node e2e/mobile/terminal-rendering/render.mjs
+//   PLATFORM=ios IOS_DEVICE="iPhone 17" node e2e/mobile/terminal-rendering/render.mjs
+const platform = process.env.PLATFORM ?? "android";
+const appId = process.env.PASEO_TERMINAL_RENDERING_APP_ID ?? "sh.paseo.debug";
+const label = process.env.PASEO_TERMINAL_RENDERING_LABEL ?? "run";
+const session = process.env.AGENT_DEVICE_SESSION ?? `terminal-rendering-${platform}`;
+const artifacts = resolve(
+  process.env.PASEO_TERMINAL_RENDERING_ARTIFACTS ??
+    resolve(homedir(), ".paseo/artifacts/terminal-rendering", platform),
+  label,
+);
+const fixtureDir = process.env.PASEO_TERMINAL_RENDERING_FIXTURE_DIR ?? tmpdir();
+// iOS simulators screenshot at one pixel per point unless asked; glyph identity needs the
+// device's real density. Android screenshots are always in device pixels.
+const screenshotArgs =
+  platform === "ios"
+    ? ["--pixel-density", process.env.PASEO_TERMINAL_RENDERING_PIXEL_DENSITY ?? "3"]
+    : [];
+const env = {
+  ...process.env,
+  AGENT_DEVICE_STATE_DIR:
+    process.env.AGENT_DEVICE_STATE_DIR ??
+    resolve(homedir(), ".paseo/artifacts/terminal-rendering/device-state"),
+};
+mkdirSync(artifacts, { recursive: true });
+
+function ad(...args) {
+  return execFileSync("agent-device", [...args, "--session", session], {
+    env,
+    encoding: "utf8",
+    timeout: 60_000,
+  });
+}
+
+function deviceArgs() {
+  if (platform === "android") {
+    return [
+      "--platform",
+      "android",
+      ...(process.env.ANDROID_SERIAL ? ["--serial", process.env.ANDROID_SERIAL] : []),
+    ];
+  }
+  return [
+    "--platform",
+    "ios",
+    ...(process.env.IOS_DEVICE ? ["--device", process.env.IOS_DEVICE] : []),
+  ];
+}
+
+function snapshotNodes() {
+  return JSON.parse(ad("snapshot", "--json")).data.nodes;
+}
+
+function rowNodes(nodes) {
+  const rows = new Map();
+  for (const node of nodes) {
+    const match = /^terminal-row-(\d+)$/.exec(node.identifier ?? "");
+    if (match && node.rect) rows.set(Number(match[1]), node);
+  }
+  return rows;
+}
+
+/**
+ * Taps a control at its center. On iOS the keyboard toolbar is a full-screen accessibility node
+ * listed after the key bar, so pressing by selector reports the keys as covered.
+ */
+function pressControl(id) {
+  const node = JSON.parse(ad("snapshot", "-i", "--json")).data.nodes.find(
+    (candidate) => candidate.identifier === id,
+  );
+  assert.ok(node?.rect, `No ${id} control on screen`);
+  const { x, y, width, height } = node.rect;
+  ad("press", String(Math.round(x + width / 2)), String(Math.round(y + height / 2)));
+}
+
+async function runCommand(command) {
+  ad("type", command, "--delay-ms", "0");
+  pressControl("terminal-key-enter");
+  await setTimeout(2_000);
+}
+
+async function terminalSize() {
+  await runCommand("clear; stty size");
+  for (const node of snapshotNodes()) {
+    const match = /^(\d+) (\d+)$/.exec((node.label ?? "").trim());
+    if (match && (node.identifier ?? "").startsWith("terminal-row-")) {
+      return { rows: Number(match[1]), columns: Number(match[2]) };
+    }
+  }
+  throw new Error("No terminal row showed the `stty size` output");
+}
+
+ad("open", appId, ...deviceArgs());
+const controls = JSON.parse(ad("snapshot", "-i", "--json")).data.nodes;
+const hasControl = (id) => controls.some((node) => node.identifier === id);
+assert.ok(hasControl("terminal-keyboard-toggle"), "Open a terminal first");
+if (!hasControl("terminal-key-enter")) pressControl("terminal-keyboard-toggle");
+
+const size = await terminalSize();
+const fixturePath = resolve(fixtureDir, "paseo-terminal-rendering.txt");
+const scriptPath = resolve(fixtureDir, "paseo-terminal-rendering.sh");
+writeFileSync(fixturePath, fixtureOutput(size.columns));
+writeFileSync(scriptPath, `printf '\\033[2J\\033[3J\\033[H'; cat '${fixturePath}'; sleep 120\n`);
+await runCommand(`sh ${scriptPath}`);
+
+const nodes = snapshotNodes();
+const screenshotPath = resolve(artifacts, "terminal.png");
+ad("screenshot", screenshotPath, ...screenshotArgs);
+const png = PNG.sync.read(readFileSync(screenshotPath));
+// Snapshot rects are in points on iOS and pixels on Android; the checks work in screenshot pixels.
+const scale = png.width / Math.max(...nodes.map((node) => node.rect?.width ?? 0));
+const toPixels = ({ x, y, width, height }) => ({
+  x: x * scale,
+  y: y * scale,
+  width: width * scale,
+  height: height * scale,
+});
+const rows = rowNodes(nodes);
+const rects = new Map([...rows].map(([index, node]) => [index, toPixels(node.rect)]));
+const { grid, failures, slots } = await checkTerminalScreenshot({ png, size, rows: rects });
+
+// Long-press selects the conjunct as a word; dragging back from its second cell leaves the first.
+const target = await selectionTarget({ size });
+const targetRect = rects.get(target.row);
+assert.ok(targetRect, "The select line is not on screen");
+const y = Math.round((targetRect.y + targetRect.height / 2) / scale);
+const cellX = (offset) => Math.round((grid.left + (target.col + offset) * grid.cellWidth) / scale);
+ad("longpress", String(cellX(0.5)), String(y), "800");
+ad("gesture", "pan", String(cellX(1.75)), String(y), String(cellX(0.5) - cellX(1.75)), "0", "600");
+const selectionPath = resolve(artifacts, "selection.png");
+ad("screenshot", selectionPath, ...screenshotArgs);
+const selectionFailures = checkPartialSelection({
+  png: PNG.sync.read(readFileSync(selectionPath)),
+  rows: rects,
+  grid,
+  target,
+});
+for (const failure of selectionFailures) failures.push({ line: "select", ...failure });
+// A tap clears the selection; it would otherwise survive into the next run's screenshot.
+const lastRect = rects.get(size.rows - 1);
+if (lastRect) {
+  ad("press", String(cellX(4)), String(Math.round((lastRect.y + lastRect.height / 2) / scale)));
+}
+try {
+  pressControl("terminal-key-ctrl");
+  ad("type", "c", "--delay-ms", "0");
+} catch (error) {
+  console.warn(`Could not interrupt the fixture: ${error.message}`);
+}
+
+writeOverlay(png, slots, resolve(artifacts, "overlay.png"));
+const report = {
+  platform,
+  label,
+  size,
+  grid,
+  checkedClusters: slots.length,
+  failures,
+  rows: [...rows.keys()].map((index) => ({
+    index,
+    label: rows.get(index).label,
+    rect: rects.get(index),
+  })),
+};
+writeFileSync(resolve(artifacts, "report.json"), `${JSON.stringify(report, null, 2)}\n`);
+
+const byLine = Map.groupBy(failures, (failure) => failure.line);
+console.log(
+  `${label}: ${slots.length} clusters checked, ${failures.length} failures (${artifacts})`,
+);
+for (const [line, list] of byLine) {
+  console.log(
+    `  ${line}: ${list.map((failure) => `${failure.kind}@${failure.col ?? "-"}${failure.char ? `(${failure.char})` : ""}`).join(" ")}`,
+  );
+}
+process.exitCode = failures.length === 0 ? 0 : 1;

packages/app/e2e/mobile/timeline-status/placement.mjs

@@ -0,0 +1,54 @@
+// Open an existing compact chat, with the keyboard closed, then interrupt its host connection.
+// Hold that interruption externally (for example, stop a disposable SSH TCP forward).
+// Leave the daemon running. This test observes the public reconnecting state.
+// node placement.mjs <session> <platform> <coordinate-scale> <composer-label> <artifacts>
+// coordinate-scale is screenshot pixels per layout point (Android density; iOS snapshots use 1).
+import assert from "node:assert/strict";
+import { execFileSync } from "node:child_process";
+import { mkdirSync, writeFileSync } from "node:fs";
+import path from "node:path";
+
+const [, , session, platform, coordinateScale, composerLabel, artifacts] = process.argv;
+assert(
+  session && ["android", "ios"].includes(platform) && composerLabel && artifacts,
+  "Pass all five arguments",
+);
+const scale = Number(coordinateScale);
+assert(scale > 0, "Pass a positive coordinate scale");
+mkdirSync(artifacts, { recursive: true });
+function ad(...args) {
+  return execFileSync("agent-device", ["--session", session, "--platform", platform, ...args], {
+    encoding: "utf8",
+    timeout: 90_000,
+  });
+}
+function capture(name) {
+  const snapshot = ad("snapshot", "--raw", "--json");
+  writeFileSync(path.join(artifacts, `${name}.json`), snapshot);
+  ad("screenshot", path.join(artifacts, `${name}.png`));
+  const nodes = JSON.parse(snapshot).data.nodes;
+  const header = nodes.find((node) => node.identifier === "floating-header");
+  const toast = nodes.find((node) => node.identifier === "agent-reconnecting-toast");
+  assert(header?.rect && toast?.rect, "Measured header and reconnecting toast must be present");
+  assert(toast.rect.height > 0 && toast.rect.width > 0, "Toast must have visible bounds");
+  const gap = (toast.rect.y - header.rect.y - header.rect.height) / scale;
+  assert(Math.abs(gap - 12) <= 1, `${name}: actual header-to-toast gap ${gap}, expected12 points`);
+  return toast.rect.y / scale;
+}
+
+ad("wait", 'id="agent-reconnecting-toast"', "20000");
+const closedTop = capture("keyboard-closed");
+ad("press", `label=${JSON.stringify(composerLabel)}`);
+const opened = ad("snapshot", "--raw", "--json");
+const nodes = JSON.parse(opened).data.nodes;
+assert(
+  nodes.some(
+    (node) => /keyboard/i.test(node.type ?? "") || /inputmethod/i.test(node.bundleId ?? ""),
+  ),
+  "Use a real visible software keyboard; open Android sessions with --no-test-ime",
+);
+const openTop = capture("keyboard-open");
+assert(Math.abs(openTop - closedTop) <= 1, "Keyboard must not translate the toast");
+console.log(
+  "PASS: rendered reconnecting toast stays12 points below measured header, keyboard closed/open",
+);

packages/app/e2e/support/fixtures.ts

@@ -107,6 +107,8 @@ const daemonTest = metroTest.extend<
 });
 
 const test = daemonTest.extend<{
+  /** Specs start past first-run setup; onboarding specs opt out to see a fresh install. */
+  e2eOnboardingCompleted: boolean;
   paseoE2ESetup: void;
   outdatedDaemon: OutdatedDaemon;
   desktopManagedOutdatedDaemon: OutdatedDaemon;
@@ -114,8 +116,9 @@ const test = daemonTest.extend<{
   projectPickerFixture: TrackedProjectPickerFixture;
   withWorkspace: WithWorkspace;
 }>({
+  e2eOnboardingCompleted: [true, { option: true }],
   paseoE2ESetup: [
-    async ({ page }, provide, testInfo) => {
+    async ({ page, e2eOnboardingCompleted }, provide, testInfo) => {
       const daemonPort = getE2EDaemonPort();
       const metroPort = process.env.E2E_METRO_PORT;
       if (!metroPort) {
@@ -157,7 +160,7 @@ const test = daemonTest.extend<{
       const createAgentPreferences = buildCreateAgentPreferences();
 
       await page.addInitScript(
-        ({ daemon, preferences, seedNonce: nonce, extraHostsKey }) => {
+        ({ daemon, preferences, seedNonce: nonce, extraHostsKey, onboardingCompleted }) => {
           // `addInitScript` runs on every navigation (including reloads). Some tests intentionally
           // override storage and reload; they can opt out of seeding for the *next* navigation by
           // setting this flag before the reload.
@@ -185,12 +188,20 @@ const test = daemonTest.extend<{
           if (!localStorage.getItem("@paseo:app-settings")) {
             localStorage.setItem("@paseo:app-settings", JSON.stringify({ chatDisplay: "full" }));
           }
+          // The shared daemon often has no projects, which would open first-run setup over the app.
+          if (onboardingCompleted && !localStorage.getItem("@paseo:onboarding")) {
+            localStorage.setItem(
+              "@paseo:onboarding",
+              JSON.stringify({ completedAt: new Date(0).toISOString() }),
+            );
+          }
         },
         {
           daemon: testDaemon,
           preferences: createAgentPreferences,
           seedNonce,
           extraHostsKey: EXTRA_HOSTS_KEY,
+          onboardingCompleted: e2eOnboardingCompleted,
         },
       );
 

packages/app/e2e/support/helpers/add-project-flow.ts

@@ -113,3 +113,29 @@ export async function expectAddProjectResultVisible(page: Page, text: string): P
     })
     .toBe(true);
 }
+
+export async function chooseAddHostFromProjectFlow(page: Page): Promise<void> {
+  await page.getByRole("button", { name: /Add host.*No connected hosts/ }).click();
+}
+
+export async function navigateAndDismissAddProject(page: Page): Promise<void> {
+  // Keep both keys in one task so Escape closes with a selection update still queued.
+  await page.evaluate(() => {
+    for (const key of ["ArrowDown", "Escape"]) {
+      window.dispatchEvent(
+        new KeyboardEvent("keydown", { key, code: key, bubbles: true, cancelable: true }),
+      );
+    }
+  });
+}
+
+export function watchAddProjectRenderWarnings(page: Page): string[] {
+  const warnings: string[] = [];
+  page.on("console", (message) => {
+    const text = message.text();
+    if (text.includes("Cannot update a component") && text.includes("AddProjectFlow")) {
+      warnings.push(text);
+    }
+  });
+  return warnings;
+}

packages/app/e2e/support/helpers/agent-skills.ts

@@ -154,7 +154,7 @@ export async function chooseCustomSkills(page: Page, selected: string[]): Promis
   await all.click();
   const keep = new Set(selected);
   for (const name of await listSkillChoices(page)) {
-    if (!keep.has(name)) await page.getByRole("checkbox", { name, exact: true }).click();
+    if (!keep.has(name)) await skillSwitch(page, name).click();
   }
   await expectSkillChoices(page, selected);
 }
@@ -176,7 +176,7 @@ export async function cancelSkillSelection(page: Page): Promise<void> {
 }
 
 export async function toggleSkill(page: Page, name: string): Promise<void> {
-  await page.getByRole("checkbox", { name, exact: true }).click();
+  await skillSwitch(page, name).click();
 }
 
 export function answerNextRemovalWarning(
@@ -222,15 +222,21 @@ export async function expectSkillFile(
 export async function expectSkillChoices(page: Page, selected: string[]): Promise<void> {
   const expected = new Set(selected);
   for (const name of await listSkillChoices(page)) {
-    await expect(page.getByRole("checkbox", { name, exact: true })).toBeChecked({
+    await expect(skillSwitch(page, name)).toBeChecked({
       checked: expected.has(name),
     });
   }
 }
 
+/** One bundled skill's switch in the picker; "All skills" sits outside the list. */
+function skillSwitch(page: Page, name: string) {
+  return page.getByTestId("skill-selection-list-card").getByRole("switch", { name, exact: true });
+}
+
 async function listSkillChoices(page: Page): Promise<string[]> {
   return page
-    .getByRole("checkbox")
+    .getByTestId("skill-selection-list-card")
+    .getByRole("switch")
     .evaluateAll((elements) =>
       elements
         .map((element) => element.getAttribute("aria-label") ?? "")

packages/app/e2e/support/helpers/archive-tab.ts

@@ -219,6 +219,11 @@ export async function expectWorkspaceArchiveOutcome(
   await expectWorkspaceTabVisible(page, input.survivingAgentId);
 }
 
+export async function closeActiveAgentWithShortcut(page: Page, agentId: string): Promise<void> {
+  await page.keyboard.press("Alt+Shift+w");
+  await expectWorkspaceTabHidden(page, agentId);
+}
+
 export async function closeWorkspaceAgentTab(page: Page, agentId: string): Promise<void> {
   const closeButton = page.getByTestId(`workspace-agent-close-${agentId}`).filter({
     visible: true,
@@ -237,6 +242,10 @@ export async function expectArchivedAgentFocused(page: Page, agentId: string): P
   });
 }
 
+export async function unarchiveAgentFromConversation(page: Page): Promise<void> {
+  await page.getByRole("button", { name: "Unarchive", exact: true }).click();
+}
+
 export async function reloadWorkspace(page: Page, workspaceId: string): Promise<void> {
   const serverId = getServerId();
   await page.goto(buildHostWorkspaceRoute(serverId, workspaceId));

packages/app/e2e/support/helpers/background-agents.ts

@@ -0,0 +1,48 @@
+import { expect, type Page } from "@playwright/test";
+import { PARENT_AGENT_ID_LABEL } from "@getpaseo/protocol/agent-labels";
+import type { SeededWorkspace } from "./seed-client";
+
+/**
+ * Starts a background agent the way a plugin helper does: in the workspace, under a parent,
+ * streaming for about ten seconds. Resolves once the daemon reports it running.
+ */
+export async function startBackgroundAgent(
+  workspace: Pick<SeededWorkspace, "client" | "repoPath" | "workspaceId">,
+  input: { parentId: string; title: string },
+): Promise<{ id: string }> {
+  const agent = await workspace.client.createAgent({
+    provider: "mock",
+    cwd: workspace.repoPath,
+    workspaceId: workspace.workspaceId,
+    title: input.title,
+    modeId: "load-test",
+    model: "ten-second-stream",
+    initialPrompt: "classify the last turn",
+    labels: { [PARENT_AGENT_ID_LABEL]: input.parentId },
+    background: true,
+  });
+  await workspace.client.waitForAgentUpsert(agent.id, (snapshot) => snapshot.status === "running");
+  return { id: agent.id };
+}
+
+/** Waits for the agent's turn to end and archives it, as the plugin does with a helper's reply. */
+export async function finishAndArchiveAgent(
+  workspace: Pick<SeededWorkspace, "client">,
+  agentId: string,
+): Promise<void> {
+  const finished = await workspace.client.waitForFinish(agentId, 60_000);
+  expect(finished.status).toBe("idle");
+  await workspace.client.archiveAgent(agentId);
+}
+
+export async function expectWorkspaceShownIdle(page: Page, workspaceName: string): Promise<void> {
+  const row = page.getByRole("button", {
+    name: new RegExp(`^${escapeRegExp(workspaceName)}(?:,|$)`),
+  });
+  await expect(row).toBeVisible({ timeout: 30_000 });
+  await expect(row.getByTestId("workspace-status-indicator-running")).toHaveCount(0);
+}
+
+function escapeRegExp(value: string): string {
+  return value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+}

packages/app/e2e/support/helpers/command-center-file-search.ts

@@ -99,6 +99,7 @@ export async function startCommandCenterLayoutObservation(page: Page): Promise<v
     const observedElements = new WeakSet<Element>();
     const resizeObserver = new ResizeObserver(record);
     const mutationObserver = new MutationObserver(discover);
+    let performanceObserver: PerformanceObserver | undefined;
 
     function record(): void {
       if (!observation.active) return;
@@ -132,6 +133,7 @@ export async function startCommandCenterLayoutObservation(page: Page): Promise<v
       if (!observation.active) {
         mutationObserver.disconnect();
         resizeObserver.disconnect();
+        performanceObserver?.disconnect();
         return;
       }
       record();
@@ -141,9 +143,16 @@ export async function startCommandCenterLayoutObservation(page: Page): Promise<v
 
     if (typeof PerformanceObserver !== "undefined") {
       try {
-        const performanceObserver = new PerformanceObserver((list) => {
+        performanceObserver = new PerformanceObserver((list) => {
+          const panel = document.querySelector(selectors.panel);
           for (const entry of list.getEntries()) {
-            observation.layoutShift += (entry as PerformanceEntry & { value?: number }).value ?? 0;
+            const shift = entry as PerformanceEntry & {
+              value: number;
+              sources: Array<{ node: Node | null }>;
+            };
+            if (shift.sources.some((source) => source.node && panel?.contains(source.node))) {
+              observation.layoutShift += shift.value;
+            }
           }
         });
         performanceObserver.observe({ type: "layout-shift", buffered: false });
@@ -174,7 +183,54 @@ export async function expectStableCommandCenterLayout(page: Page): Promise<void>
       ).toBeLessThanOrEqual(1);
     }
   }
-  expect(observation.layoutShift, JSON.stringify(observation)).toBeLessThanOrEqual(0.001);
+  expect(
+    observation.layoutShift,
+    `command center layoutShift: ${JSON.stringify(observation)}`,
+  ).toBeLessThanOrEqual(0.001);
+}
+
+/** Exercise an unrelated page shift while the real search panel is being observed. */
+export async function shiftOutsideCommandCenter(page: Page): Promise<void> {
+  await shiftLayoutProbe(page.locator("body"));
+}
+
+export async function expectLayoutObservationToCatchPanelShift(page: Page): Promise<void> {
+  await startCommandCenterLayoutObservation(page);
+  await shiftLayoutProbe(page.getByTestId("command-center-panel"));
+  await expect(expectStableCommandCenterLayout(page)).rejects.toThrow("command center layoutShift");
+}
+
+async function shiftLayoutProbe(parent: Locator): Promise<void> {
+  const recordedShift = await parent.evaluate(async (container) => {
+    const sibling = document.createElement("div");
+    sibling.textContent = "Layout probe";
+    sibling.style.cssText =
+      "position:fixed;left:0;top:0;width:300px;height:100px;background:white;z-index:99999";
+    container.append(sibling);
+    await new Promise<void>((resolve) =>
+      requestAnimationFrame(() => requestAnimationFrame(() => resolve())),
+    );
+    const value = await new Promise<number>((resolve) => {
+      const observer = new PerformanceObserver((list) => {
+        for (const entry of list.getEntries()) {
+          const shift = entry as PerformanceEntry & {
+            value: number;
+            sources: Array<{ node: Node | null }>;
+          };
+          if (shift.sources.some((source) => source.node === sibling)) {
+            observer.disconnect();
+            resolve(shift.value);
+          }
+        }
+      });
+      observer.observe({ type: "layout-shift", buffered: false });
+      sibling.style.left = "400px";
+    });
+    await new Promise<void>((resolve) => requestAnimationFrame(() => resolve()));
+    sibling.remove();
+    return value;
+  });
+  expect(recordedShift, "the browser recorded a substantial probe shift").toBeGreaterThan(0.001);
 }
 
 export async function expectOneLineTruncatedFileResult(

packages/app/e2e/support/helpers/composer-control-density.ts

@@ -53,3 +53,192 @@ export async function expectNoCollapsedComposerToolbarFrame(page: Page): Promise
   const collapsed = frames.filter((frame) => frame.labels.some((label) => label === ""));
   expect(collapsed, `collapsed toolbar frames: ${JSON.stringify(collapsed)}`).toEqual([]);
 }
+
+/** What the folded model control's labels show, read from the DOM. */
+export interface ModelTriggerLabelState {
+  thinkingShown: boolean;
+  modelShown: boolean;
+  modelText: string;
+  modelTruncated: boolean;
+}
+
+declare global {
+  interface Window {
+    __modelTriggerFrames?: ModelTriggerLabelState[];
+  }
+}
+
+function readModelTriggerLabelStateInPage(): ModelTriggerLabelState {
+  const visible = (node: Element) => node.getClientRects().length > 0;
+  const model = Array.from(
+    document.querySelectorAll('[data-testid="combined-model-selector-model-label"]'),
+  ).find(visible);
+  const thinking = Array.from(
+    document.querySelectorAll('[data-testid="combined-model-selector-thinking-label"]'),
+  ).find(visible);
+  const shown = (node: Element | null): boolean => {
+    for (let current = node; current; current = current.parentElement) {
+      if (Number(getComputedStyle(current).opacity) === 0) return false;
+    }
+    return true;
+  };
+  const modelShown = model !== undefined && shown(model);
+  const modelText = model?.textContent ?? "";
+  return {
+    modelShown,
+    modelText,
+    thinkingShown: modelShown && thinking !== undefined,
+    modelTruncated:
+      model !== undefined && (modelText.endsWith("…") || model.scrollWidth > model.clientWidth),
+  };
+}
+
+/** Records the folded model control's labels on every painted frame from page load. */
+export async function recordModelTriggerFramesFromLoad(page: Page): Promise<void> {
+  await page.addInitScript(`(() => {
+    const read = ${readModelTriggerLabelStateInPage.toString()};
+    const frames = [];
+    window.__modelTriggerFrames = frames;
+    const tick = () => {
+      frames.push(read());
+      requestAnimationFrame(tick);
+    };
+    requestAnimationFrame(tick);
+  })()`);
+}
+
+/** The model control's labels once two reads 100ms apart agree. */
+export async function readSettledModelTriggerLabels(page: Page): Promise<ModelTriggerLabelState> {
+  let previous = await page.evaluate(readModelTriggerLabelStateInPage);
+  for (;;) {
+    await page.waitForTimeout(100);
+    const next = await page.evaluate(readModelTriggerLabelStateInPage);
+    if (JSON.stringify(next) === JSON.stringify(previous)) return next;
+    previous = next;
+  }
+}
+
+/** The labels at the widths where the folded model control changes what it shows. */
+export interface ModelTriggerLabelSweep {
+  /** The labels at the widest width. */
+  widest: ModelTriggerLabelState & { width: number };
+  /** The first width at which the thinking label is hidden. */
+  thinkingHidden: ModelTriggerLabelState & { width: number };
+  /** The first width at which the model label is truncated. */
+  modelTruncated: ModelTriggerLabelState & { width: number };
+}
+
+/**
+ * Narrows the viewport step by step and records where the thinking label disappears and where the
+ * model label first truncates.
+ */
+export async function sweepModelTriggerLabels(
+  page: Page,
+  widths: { from: number; to: number; step: number; height: number },
+): Promise<ModelTriggerLabelSweep> {
+  const steps: (ModelTriggerLabelState & { width: number })[] = [];
+  for (let width = widths.from; width >= widths.to; width -= widths.step) {
+    await page.setViewportSize({ width, height: widths.height });
+    const labels = await readSettledModelTriggerLabels(page);
+    steps.push({ ...labels, width });
+    if (labels.modelTruncated || !labels.modelShown) break;
+  }
+  const thinkingHidden = steps.find((step) => !step.thinkingShown);
+  const modelTruncated = steps.find((step) => step.modelTruncated);
+  if (!thinkingHidden || !modelTruncated) {
+    throw new Error(`the sweep never hid the thinking label and truncated the model label`);
+  }
+  return { widest: steps[0], thinkingHidden, modelTruncated };
+}
+
+/** No frame recorded so far painted a truncated model label beside the thinking label. */
+export async function expectNoFrameTruncatesModelBesideThinking(page: Page): Promise<void> {
+  const frames = await page.evaluate(() => window.__modelTriggerFrames ?? []);
+  expect(frames.some((frame) => frame.modelShown)).toBe(true);
+  const wrong = frames
+    .map((frame, index) => ({ ...frame, index }))
+    .filter((frame) => frame.thinkingShown && frame.modelTruncated);
+  expect(wrong, `of ${frames.length} frames`).toEqual([]);
+}
+
+/** Where the composer toolbar's ends sit against the composer, in CSS pixels. */
+export interface ComposerToolbarRails {
+  /** Where the text column starts. */
+  textLeft: number;
+  /** Where the toolbar's leftmost ink starts. */
+  inkLeft: number;
+  /** How far the trailing disc sits from the composer's right edge. */
+  discRightInset: number;
+  /** How far the trailing disc sits from the composer's bottom edge. */
+  discBottomInset: number;
+}
+
+/**
+ * Reads where the toolbar's ink starts against the text column and where the trailing disc sits
+ * in the composer's corner. A control's ink is its filled disc when it has one, otherwise its
+ * glyph's stroked geometry.
+ */
+export async function readComposerToolbarRails(page: Page): Promise<ComposerToolbarRails> {
+  const root = page.locator('[data-testid="message-input-root"]:visible').first();
+  return root.evaluate((element) => {
+    const textarea = element.querySelector("textarea");
+    if (!textarea) throw new Error("composer has no text input");
+    const composerRect = element.getBoundingClientRect();
+    const textLeft =
+      textarea.getBoundingClientRect().left +
+      Number.parseFloat(getComputedStyle(textarea).paddingLeft);
+
+    const isFilled = (node: Element) => {
+      const color = getComputedStyle(node).backgroundColor;
+      return color !== "" && color !== "transparent" && !/rgba\(.*,\s*0\)$/.test(color);
+    };
+    const glyphInkLeft = (svg: SVGSVGElement) => {
+      let left = Number.POSITIVE_INFINITY;
+      for (const shape of Array.from(
+        svg.querySelectorAll<SVGGraphicsElement>("path, circle, rect, line, polyline"),
+      )) {
+        const matrix = shape.getScreenCTM();
+        if (!matrix) continue;
+        const box = shape.getBBox();
+        const stroke = Number.parseFloat(getComputedStyle(shape).strokeWidth || "0");
+        left = Math.min(left, matrix.a * (box.x - stroke / 2) + matrix.e);
+      }
+      return left;
+    };
+
+    const band = composerRect.bottom - 64;
+    let inkLeft = Number.POSITIVE_INFINITY;
+    let trailingDisc: DOMRect | null = null;
+    for (const control of Array.from(element.querySelectorAll('[role="button"]'))) {
+      const rect = control.getBoundingClientRect();
+      if (rect.width === 0 || rect.top < band) continue;
+      const disc = [control, ...Array.from(control.querySelectorAll("div"))].find(isFilled);
+      const svg = control.querySelector("svg");
+      if (disc) {
+        const discRect = disc.getBoundingClientRect();
+        inkLeft = Math.min(inkLeft, discRect.left);
+        if (!trailingDisc || discRect.right > trailingDisc.right) trailingDisc = discRect;
+      } else if (svg) {
+        inkLeft = Math.min(inkLeft, glyphInkLeft(svg));
+      }
+    }
+    if (!trailingDisc) throw new Error("composer toolbar has no trailing disc");
+    return {
+      textLeft,
+      inkLeft,
+      discRightInset: composerRect.right - trailingDisc.right,
+      discBottomInset: composerRect.bottom - trailingDisc.bottom,
+    };
+  });
+}
+
+/**
+ * The toolbar's left ink sits on the text column's edge, and its trailing disc nests into the
+ * corner, as far from the right edge as from the bottom edge. Within half a pixel.
+ */
+export async function expectComposerToolbarOnTextRails(page: Page): Promise<void> {
+  const rails = await readComposerToolbarRails(page);
+  // A precision of 0 digits passes within half a pixel.
+  expect(rails.inkLeft).toBeCloseTo(rails.textLeft, 0);
+  expect(rails.discRightInset).toBeCloseTo(rails.discBottomInset, 0);
+}

packages/app/e2e/support/helpers/composer.ts

@@ -31,7 +31,9 @@ export async function expectComposerVisible(
   page: Page,
   options?: { timeout?: number },
 ): Promise<void> {
-  await expect(composerInput(page)).toBeVisible({ timeout: options?.timeout ?? 15_000 });
+  await expect(composerInput(page)).toBeVisible({
+    timeout: options?.timeout ?? 15_000,
+  });
 }
 
 export async function expectComposerDisabled(page: Page): Promise<void> {
@@ -156,7 +158,9 @@ export async function attachImageFromMenu(
 }
 
 export async function expectAttachmentPill(page: Page, testID: string): Promise<void> {
-  await expect(page.getByTestId(testID).first()).toBeVisible({ timeout: 10_000 });
+  await expect(page.getByTestId(testID).first()).toBeVisible({
+    timeout: 10_000,
+  });
 }
 
 export async function attachFileFromMenu(
@@ -218,18 +222,24 @@ export async function expectGithubAttachmentPill(
 
 export async function openImageLightbox(page: Page): Promise<void> {
   await page.getByRole("button", { name: "Open image attachment" }).first().click();
-  await expect(page.getByTestId("attachment-lightbox-close")).toBeVisible({ timeout: 5_000 });
+  await expect(page.getByTestId("attachment-lightbox-close")).toBeVisible({
+    timeout: 5_000,
+  });
 }
 
 export async function closeImageLightbox(page: Page): Promise<void> {
   await page.keyboard.press("Escape");
-  await expect(page.getByTestId("attachment-lightbox-close")).not.toBeVisible({ timeout: 5_000 });
+  await expect(page.getByTestId("attachment-lightbox-close")).not.toBeVisible({
+    timeout: 5_000,
+  });
 }
 
 export async function openGithubPickerFromMenu(page: Page): Promise<void> {
   await openAttachmentMenu(page);
   await page.getByTestId("message-input-attachment-menu-item-github").click();
-  await expect(page.getByTestId("combobox-desktop-container")).toBeVisible({ timeout: 5_000 });
+  await expect(page.getByTestId("combobox-desktop-container")).toBeVisible({
+    timeout: 5_000,
+  });
 }
 
 /** Open picker, type a query, wait for the matching option by id (e.g. "issue:3", "change_request:1"), and click it. */
@@ -283,7 +293,10 @@ export async function startRunningMockAgent(
     model: opts.model,
     featureValues: opts.featureValues,
   });
-  const agentUrl = `${buildHostWorkspaceRoute(serverId, workspace.id)}?open=${encodeURIComponent(`agent:${agent.id}`)}`;
+  const agentUrl = `${buildHostWorkspaceRoute(
+    serverId,
+    workspace.id,
+  )}?open=${encodeURIComponent(`agent:${agent.id}`)}`;
   await page.goto(agentUrl);
   await expectComposerVisible(page);
   await client.sendAgentMessage(agent.id, opts.prompt);
@@ -347,7 +360,11 @@ export async function pasteComposerTestImage(page: Page): Promise<boolean> {
     const bytes = Uint8Array.from(atob(base64), (character) => character.charCodeAt(0));
     const clipboardData = new DataTransfer();
     clipboardData.items.add(new File([bytes], "pasted.png", { type: "image/png" }));
-    const event = new ClipboardEvent("paste", { clipboardData, bubbles: true, cancelable: true });
+    const event = new ClipboardEvent("paste", {
+      clipboardData,
+      bubbles: true,
+      cancelable: true,
+    });
     input.dispatchEvent(event);
     return event.defaultPrevented;
   }, COMPOSER_TEST_IMAGE_BASE64);
@@ -505,7 +522,10 @@ export async function recordVisibleComposerGeometry(page: Page): Promise<void> {
 export async function expectNoCollapsedVisibleComposer(page: Page): Promise<void> {
   const frames = await page.evaluate(() => {
     Reflect.get(window, "__stopComposerGeometry")?.();
-    return Reflect.get(window, "__composerGeometryFrames") as { input: number; root: number }[];
+    return Reflect.get(window, "__composerGeometryFrames") as {
+      input: number;
+      root: number;
+    }[];
   });
   expect(frames.length).toBeGreaterThan(0);
   expect(frames.filter((frame) => frame.root < 42 || frame.input < 42)).toEqual([]);
@@ -516,7 +536,10 @@ export async function roundTripComposerTabBeforePaint(
   page: Page,
   activeChatTitle: string,
 ): Promise<void> {
-  const activeTab = page.getByRole("button", { name: activeChatTitle, exact: true });
+  const activeTab = page.getByRole("button", {
+    name: activeChatTitle,
+    exact: true,
+  });
   await expect(activeTab).toHaveAttribute("aria-selected", "true");
   const result = await activeTab.evaluate((tab) => {
     const editor = document.activeElement;
@@ -556,7 +579,10 @@ export async function roundTripComposerTabBeforePaint(
           });
         }
       });
-      observer.observe(tab, { attributes: true, attributeFilter: ["aria-selected"] });
+      observer.observe(tab, {
+        attributes: true,
+        attributeFilter: ["aria-selected"],
+      });
       shortcut("BracketLeft");
     });
   });
@@ -566,3 +592,44 @@ export async function roundTripComposerTabBeforePaint(
   ).toBe(true);
   expect(result.focused, "returning on touch must leave the composer unfocused").toBe(false);
 }
+
+/** Paste both clipboard representations through the browser's normal paste command. */
+export async function pasteRichTextIntoComposer({
+  page,
+  html,
+  text,
+}: {
+  page: Page;
+  html: string;
+  text: string;
+}): Promise<void> {
+  await page.context().grantPermissions(["clipboard-read", "clipboard-write"]);
+  await page.evaluate(
+    async ({ html: richHtml, text: plainText }) => {
+      await navigator.clipboard.write([
+        new ClipboardItem({
+          "text/html": new Blob([richHtml], { type: "text/html" }),
+          "text/plain": new Blob([plainText], { type: "text/plain" }),
+        }),
+      ]);
+    },
+    { html, text },
+  );
+  await composerInput(page).press("ControlOrMeta+v");
+}
+
+export async function undoComposerEdit(page: Page): Promise<void> {
+  await composerInput(page).press("ControlOrMeta+z");
+}
+export async function redoComposerEdit(page: Page): Promise<void> {
+  await composerInput(page).press("ControlOrMeta+Shift+z");
+}
+
+/** Reuse the actual response Copy action and the browser's native paste. */
+export async function copyLatestTurnIntoComposer(page: Page): Promise<void> {
+  await page.context().grantPermissions(["clipboard-read", "clipboard-write"]);
+  await page.getByRole("button", { name: "Copy turn", exact: true }).last().click();
+  await expect(page.getByRole("button", { name: "Copied", exact: true })).toBeVisible();
+  await composerInput(page).fill("");
+  await composerInput(page).press("ControlOrMeta+v");
+}

packages/app/e2e/support/helpers/context-window.ts

@@ -54,12 +54,15 @@ export async function leaveContextWindowMeter(page: Page): Promise<void> {
   await expect(contextWindowDetails(page)).toHaveCount(0);
 }
 
-/** Compact screens open the meter's details in a sheet. */
-export async function pressContextWindowMeter(page: Page, name = METER_NAME): Promise<Locator> {
+/** Clicking the meter opens its details in the active layout. */
+export async function pressContextWindowMeter(
+  page: Page,
+  name: string | RegExp = METER_NAME,
+): Promise<Locator> {
   await page.getByRole("button", { name, exact: true }).click({ timeout: 30_000 });
-  const sheet = contextWindowDetails(page);
-  await expect(sheet).toBeVisible();
-  return sheet;
+  const details = contextWindowDetails(page);
+  await expect(details).toBeVisible();
+  return details;
 }
 
 export async function closeContextWindowSheet(page: Page): Promise<void> {

packages/app/e2e/support/helpers/daemon-lifecycle.ts

@@ -1,5 +1,5 @@
 import { execFile, spawn } from "node:child_process";
-import { writeFile } from "node:fs/promises";
+import { writeFile, readFile, readdir } from "node:fs/promises";
 import path from "node:path";
 import { promisify } from "node:util";
 import { expect, type Page } from "@playwright/test";
@@ -154,3 +154,42 @@ export async function plantUnclosableTerminalProgram(
     throw error;
   }
 }
+
+/** Fault injection and liveness checks for the isolated daemon cleanup journey. */
+export function suspendDaemonProcess(pid: number): void {
+  process.kill(pid, "SIGSTOP");
+}
+
+export function resumeDaemonProcess(pid: number): void {
+  try {
+    process.kill(pid, "SIGCONT");
+  } catch (error) {
+    if ((error as NodeJS.ErrnoException).code !== "ESRCH") throw error;
+  }
+}
+
+export async function daemonProcessCanWrite(pid: number): Promise<boolean> {
+  try {
+    const state = await psField(pid, "stat");
+    return state.length > 0 && !state.startsWith("Z");
+  } catch (error) {
+    if ((error as { code?: unknown }).code === 1) return false;
+    throw error;
+  }
+}
+
+export async function readTerminalProcessIds(daemon: IsolatedHostDaemon): Promise<number[]> {
+  const directory = path.join(daemon.paseoHome, "terminal-worker");
+  const records = await Promise.all(
+    (await readdir(directory))
+      .filter((name) => name.endsWith(".json"))
+      .map(async (name) => {
+        const record = JSON.parse(await readFile(path.join(directory, name), "utf8")) as {
+          pid: number;
+          terminals: Array<{ pid: number }>;
+        };
+        return [record.pid].concat(record.terminals.map((terminal) => terminal.pid));
+      }),
+  );
+  return records.flat();
+}

packages/app/e2e/support/helpers/daemon-websocket-gate.ts

@@ -1,5 +1,5 @@
 import type { Page, WebSocketRoute } from "@playwright/test";
-import { daemonWsRoutePattern } from "./daemon-port";
+import { daemonWsRoutePattern, wsRoutePatternForPort } from "./daemon-port";
 
 export interface DirectoryBootstrapCounts {
   agents: number;
@@ -294,7 +294,8 @@ function recordClientRequest(
   directoryStarts.total[directory] += 1;
 }
 
-export async function installDaemonWebSocketGate(page: Page) {
+/** Gates the shared E2E daemon, or the daemon on `port` for a spec that runs its own. */
+export async function installDaemonWebSocketGate(page: Page, options: { port?: number } = {}) {
   let acceptingConnections = true;
   let reconnectWithFreshClient = false;
   let suppressAgentStream = false;
@@ -445,7 +446,11 @@ export async function installDaemonWebSocketGate(page: Page) {
     return true;
   };
 
-  await page.routeWebSocket(daemonWsRoutePattern(), (ws) => {
+  const routePattern =
+    options.port === undefined
+      ? daemonWsRoutePattern()
+      : wsRoutePatternForPort(String(options.port));
+  await page.routeWebSocket(routePattern, (ws) => {
     if (!acceptingConnections) {
       blockedConnectionCount += 1;
       for (const resolve of blockedConnectionWaiters) resolve();

packages/app/e2e/support/helpers/diagram.ts

@@ -148,3 +148,59 @@ export async function expectFullscreenDiagram(
 export async function expectFullscreenDiagramClosed(page: Page): Promise<void> {
   await expect(page.getByTestId(FULLSCREEN_VIEWPORT)).toHaveCount(0);
 }
+
+/** Tall diagrams stay within the screen so their controls remain reachable. */
+export async function expectInlineDiagramFitsViewport(page: Page): Promise<void> {
+  const viewport = page.getByTestId("mermaid-viewport").last();
+  const box = await viewport.boundingBox();
+  expect(box, "the inline diagram has measurable layout").not.toBeNull();
+  const screenHeight = page.viewportSize()!.height;
+  expect(box!.height, "the inline diagram fits within the screen").toBeLessThan(screenHeight);
+  const contentHeight = await diagramSvg(page, "mermaid-viewport").evaluate(
+    (svg) => (svg as SVGSVGElement).viewBox.baseVal.height,
+  );
+  expect(box!.height, "a tall diagram is bounded rather than expanding the chat").toBeLessThan(
+    contentHeight,
+  );
+}
+
+/** Exercise pointer toggles and the controls encountered along that same journey. */
+export async function toggleDiagramSourceAndVerifyControls(page: Page): Promise<void> {
+  const viewport = page.getByTestId("mermaid-viewport").last();
+  const iframe = await viewport.locator("iframe").elementHandle();
+  for (let iteration = 0; iteration < 3; iteration++) {
+    await viewport.hover();
+    await page.getByRole("button", { name: "View source" }).last().click();
+    const viewDiagram = page.getByRole("button", { name: "View diagram" }).last();
+    await viewDiagram.click({ timeout: 10_000 });
+    await expect(viewDiagram).toHaveCount(0);
+    await expectFullscreenDiagramClosed(page);
+    expect(
+      await viewport.locator("iframe").evaluate((node, original) => node === original, iframe),
+      "switching views preserves the rendered diagram",
+    ).toBe(true);
+  }
+  await viewport.hover();
+  await page.getByRole("button", { name: "View source" }).last().click();
+  const hiddenFullscreen = viewport.getByRole("button", {
+    name: "Fullscreen",
+    includeHidden: true,
+  });
+  await hiddenFullscreen.focus();
+  await expect(hiddenFullscreen).not.toBeFocused();
+  await page.getByRole("button", { name: "View diagram" }).last().click();
+  await viewport.hover();
+  const fullscreen = viewport.getByRole("button", { name: "Fullscreen", exact: true });
+  const box = await viewport.boundingBox();
+  const control = await fullscreen.boundingBox();
+  expect(box).not.toBeNull();
+  expect(control).not.toBeNull();
+  expect(control!.y, "the toolbar starts inside the preview").toBeGreaterThanOrEqual(box!.y);
+  expect(control!.y + control!.height, "the toolbar fits inside the preview").toBeLessThanOrEqual(
+    box!.y + box!.height,
+  );
+  await viewport.getByRole("button", { name: "Zoom in" }).click();
+  await expect(viewport.getByRole("button", { name: "Reset view" })).toBeEnabled();
+  await viewport.getByRole("button", { name: "Reset view" }).click();
+  await expect(viewport.getByRole("button", { name: "Reset view" })).toBeDisabled();
+}

packages/app/e2e/support/helpers/directory-listing-gate.ts

@@ -0,0 +1,44 @@
+import type { Page, WebSocketRoute } from "@playwright/test";
+import { daemonWsRoutePattern } from "./daemon-port";
+
+function listingResponse(message: string | Buffer) {
+  try {
+    const envelope = JSON.parse(message.toString());
+    return envelope.message?.type === "file_explorer_response" ? envelope.message.payload : null;
+  } catch {
+    return null;
+  }
+}
+
+/** Delay one real directory response after the daemon has read its contents. */
+export async function delayDirectoryListingResponse(page: Page, directoryPath: string) {
+  let held: { socket: WebSocketRoute; message: string | Buffer; requestId: string } | null = null;
+  let resolveHeld!: () => void;
+  const heldResponse = new Promise<void>((resolve) => {
+    resolveHeld = resolve;
+  });
+  await page.routeWebSocket(daemonWsRoutePattern(), (socket) => {
+    const server = socket.connectToServer();
+    socket.onMessage((message) => server.send(message));
+    server.onMessage((message) => {
+      const response = listingResponse(message);
+      if (!held && response?.mode === "list" && response.path === directoryPath) {
+        held = { socket, message, requestId: response.requestId };
+        resolveHeld();
+        return;
+      }
+      socket.send(message);
+    });
+  });
+  return {
+    waitUntilHeld: () => heldResponse,
+    release: async () => {
+      if (!held) throw new Error("Directory response must be held before release");
+      held.socket.send(held.message);
+      // Let the delivered reply update the UI before the user reopens the folder.
+      await page.evaluate(
+        () => new Promise<void>((resolve) => requestAnimationFrame(() => resolve())),
+      );
+    },
+  };
+}

packages/app/e2e/support/helpers/hosts.ts

@@ -22,15 +22,27 @@ export async function addOfflineHostAndReload(
   page: Page,
   input: { serverId: string; label: string; primaryLabel?: string },
 ): Promise<void> {
-  const offlineHost = buildSeededHost({
-    serverId: input.serverId,
-    label: input.label,
-    endpoint: "127.0.0.1:59999",
-    nowIso: new Date().toISOString(),
-  });
+  await addOfflineHostsAndReload(page, [input], { primaryLabel: input.primaryLabel });
+}
+
+/** Adds several unreachable hosts with one reload. See `addOfflineHostAndReload`. */
+export async function addOfflineHostsAndReload(
+  page: Page,
+  hosts: Array<{ serverId: string; label: string }>,
+  options: { primaryLabel?: string } = {},
+): Promise<void> {
+  const nowIso = new Date().toISOString();
+  const offlineHosts = hosts.map((host) =>
+    buildSeededHost({
+      serverId: host.serverId,
+      label: host.label,
+      endpoint: "127.0.0.1:59999",
+      nowIso,
+    }),
+  );
 
   await page.evaluate(
-    ({ host, keys, primaryLabel }) => {
+    ({ hosts: added, keys, primaryLabel }) => {
       const nonce = localStorage.getItem(keys.nonce);
       if (!nonce) {
         throw new Error("Expected the e2e seed nonce before overriding the host registry.");
@@ -40,20 +52,22 @@ export async function addOfflineHostAndReload(
       if (primaryLabel && registry[0]) {
         registry[0].label = primaryLabel;
       }
-      if (!registry.some((entry) => entry.serverId === host.serverId)) {
-        registry.push(host);
+      for (const host of added) {
+        if (!registry.some((entry) => entry.serverId === host.serverId)) {
+          registry.push(host);
+        }
       }
       localStorage.setItem(keys.registry, JSON.stringify(registry));
       localStorage.setItem(keys.disableSeedOnce, nonce);
     },
     {
-      host: offlineHost,
+      hosts: offlineHosts,
       keys: {
         registry: REGISTRY_KEY,
         nonce: SEED_NONCE_KEY,
         disableSeedOnce: DISABLE_DEFAULT_SEED_ONCE_KEY,
       },
-      primaryLabel: input.primaryLabel,
+      primaryLabel: options.primaryLabel,
     },
   );
 
@@ -273,3 +287,25 @@ export async function reloadPreservingHostRegistry(page: Page): Promise<void> {
   );
   await page.reload();
 }
+
+export async function disconnectAllHostsAndReload(page: Page): Promise<void> {
+  await page.evaluate(
+    ({ registryKey, nonceKey, disableSeedKey }) => {
+      const nonce = localStorage.getItem(nonceKey);
+      if (!nonce) throw new Error("Expected the e2e seed nonce");
+      const hosts = JSON.parse(localStorage.getItem(registryKey) ?? "[]");
+      for (const host of hosts) {
+        host.connections = [{ id: "offline", type: "directTcp", endpoint: "127.0.0.1:59999" }];
+        host.preferredConnectionId = "offline";
+      }
+      localStorage.setItem(registryKey, JSON.stringify(hosts));
+      localStorage.setItem(disableSeedKey, nonce);
+    },
+    {
+      registryKey: REGISTRY_KEY,
+      nonceKey: SEED_NONCE_KEY,
+      disableSeedKey: DISABLE_DEFAULT_SEED_ONCE_KEY,
+    },
+  );
+  await page.reload();
+}

packages/app/e2e/support/helpers/isolated-host-daemon.ts

@@ -1,4 +1,11 @@
-import { spawn, execFileSync, type ChildProcess, type SpawnOptions } from "node:child_process";
+import { promisify } from "node:util";
+import {
+  spawn,
+  execFile,
+  execFileSync,
+  type ChildProcess,
+  type SpawnOptions,
+} from "node:child_process";
 import { mkdtemp, rm, writeFile } from "node:fs/promises";
 import net from "node:net";
 import { tmpdir } from "node:os";
@@ -6,6 +13,8 @@ import path from "node:path";
 import { withDisabledE2ESpeechEnv } from "./speech-env";
 import { killProcessTree, spawnTsx } from "./spawn-node";
 
+const execFileAsync = promisify(execFile);
+
 export interface IsolatedHostDaemon {
   serverId: string;
   port: number;
@@ -16,6 +25,8 @@ export interface IsolatedHostDaemon {
 }
 
 export interface IsolatedHostDaemonOptions {
+  /** Written to the daemon's config.json; `mutableRelay` adds `daemon.relay` to it. */
+  config?: { daemon?: Record<string, unknown>; [key: string]: unknown };
   environment?: NodeJS.ProcessEnv;
   mutableRelay?: {
     enabled: boolean;
@@ -84,6 +95,28 @@ async function waitForServer(port: number, child: ChildProcess): Promise<void> {
   );
 }
 
+function withMutableRelay(
+  config: NonNullable<IsolatedHostDaemonOptions["config"]>,
+  relay: NonNullable<IsolatedHostDaemonOptions["mutableRelay"]>,
+): NonNullable<IsolatedHostDaemonOptions["config"]> {
+  const endpoint =
+    relay.endpoint ??
+    (process.env.E2E_RELAY_PORT ? `127.0.0.1:${process.env.E2E_RELAY_PORT}` : "127.0.0.1:9");
+  return {
+    ...config,
+    daemon: {
+      ...config.daemon,
+      relay: {
+        enabled: relay.enabled,
+        endpoint,
+        publicEndpoint: endpoint,
+        useTls: false,
+        publicUseTls: false,
+      },
+    },
+  };
+}
+
 export async function startIsolatedHostDaemon(
   serverId: string,
   options: IsolatedHostDaemonOptions = {},
@@ -129,29 +162,36 @@ export async function startIsolatedHostDaemon(
       throw error;
     }
   }
-  if (options.mutableRelay) {
-    const endpoint =
-      options.mutableRelay.endpoint ??
-      (process.env.E2E_RELAY_PORT ? `127.0.0.1:${process.env.E2E_RELAY_PORT}` : "127.0.0.1:9");
+  const config = options.mutableRelay
+    ? withMutableRelay(options.config ?? {}, options.mutableRelay)
+    : options.config;
+  if (config) {
     await writeFile(
       path.join(paseoHome, "config.json"),
-      `${JSON.stringify({
-        version: 1,
-        daemon: {
-          relay: {
-            enabled: options.mutableRelay.enabled,
-            endpoint,
-            publicEndpoint: endpoint,
-            useTls: false,
-            publicUseTls: false,
-          },
-        },
-      })}\n`,
+      `${JSON.stringify({ version: 1, ...config })}\n`,
     );
   }
   const serverDir = publishedPackageRoot
     ? path.join(publishedPackageRoot, "node_modules", "@getpaseo", "server")
     : path.resolve(__dirname, "../../../../server");
+  let child: ChildProcess | null = null;
+  const stopDaemon = async (): Promise<void> => {
+    // The CLI owns graceful shutdown, forced cleanup and detached terminal
+    // reaping. Keep its ESM graph out of Playwright's transforming loader.
+    await execFileAsync(
+      process.execPath,
+      [
+        path.resolve(__dirname, "../../../../cli/dist/index.js"),
+        "daemon",
+        "stop",
+        "--home",
+        paseoHome,
+        "--force",
+      ],
+      { timeout: 30_000 },
+    );
+    await killProcessTree(child);
+  };
   const spawnDaemon = async (): Promise<ChildProcess> => {
     const spawnOptions: SpawnOptions = {
       cwd: serverDir,
@@ -169,21 +209,21 @@ export async function startIsolatedHostDaemon(
       stdio: ["ignore", "ignore", "pipe"],
       detached: false,
     };
-    const child = publishedPackageRoot
+    const spawned = publishedPackageRoot
       ? spawn(process.execPath, ["dist/scripts/supervisor-entrypoint.js"], spawnOptions)
       : spawnTsx("scripts/supervisor-entrypoint.ts", ["--dev"], spawnOptions);
 
+    child = spawned;
     let stderr = "";
-    child.stderr?.on("data", (chunk: Buffer) => {
+    spawned.stderr?.on("data", (chunk: Buffer) => {
       stderr += chunk.toString("utf8");
       stderr = stderr.split("\n").slice(-40).join("\n");
     });
 
     try {
-      await waitForServer(port, child);
-      return child;
+      await waitForServer(port, spawned);
+      return spawned;
     } catch (error) {
-      await killProcessTree(child);
       throw new Error(
         `${error instanceof Error ? error.message : String(error)}\nDaemon stderr:\n${stderr}`,
         { cause: error },
@@ -191,10 +231,10 @@ export async function startIsolatedHostDaemon(
     }
   };
 
-  let child: ChildProcess;
   try {
-    child = await spawnDaemon();
+    await spawnDaemon();
   } catch (error) {
+    await stopDaemon();
     if (!options.preserveHome) {
       await rm(paseoHome, { recursive: true, force: true });
     }
@@ -209,22 +249,22 @@ export async function startIsolatedHostDaemon(
     serverId,
     port,
     paseoHome,
-    getPid: () => child.pid,
+    getPid: () => child?.pid,
     restart: async () => {
       if (closed) throw new Error(`Cannot restart closed isolated daemon ${serverId}`);
-      await killProcessTree(child);
-      child = await spawnDaemon();
+      await stopDaemon();
+      await spawnDaemon();
     },
     close: async () => {
       if (closed) return;
-      closed = true;
-      await killProcessTree(child);
+      await stopDaemon();
       if (!options.preserveHome) {
         await rm(paseoHome, { recursive: true, force: true });
       }
       if (publishedPackageRoot) {
         await rm(publishedPackageRoot, { recursive: true, force: true });
       }
+      closed = true;
     },
   };
 }

packages/app/e2e/support/helpers/new-workspace.ts

@@ -17,6 +17,8 @@ type NewWorkspaceDaemonClient = Pick<
   | "connect"
   | "createPaseoWorktree"
   | "createWorkspace"
+  | "createTerminal"
+  | "killTerminal"
   | "fetchAgents"
   | "fetchWorkspaces"
   | "getPaseoWorktreeList"
@@ -34,6 +36,7 @@ type NewWorkspaceDaemonClient = Pick<
   | "removePlugin"
   | "reloadPlugin"
   | "setWorkspaceTitle"
+  | "setWorkspaceLabel"
 >;
 
 type CreateWorkspacePayload = Awaited<ReturnType<NewWorkspaceDaemonClient["createWorkspace"]>>;

packages/app/e2e/support/helpers/onboarding.ts

@@ -0,0 +1,278 @@
+import { randomUUID } from "node:crypto";
+import { mkdir, mkdtemp, rm, utimes, writeFile } from "node:fs/promises";
+import { tmpdir } from "node:os";
+import path from "node:path";
+import { expect, type Locator, type Page } from "@playwright/test";
+import type { DaemonClient as InternalDaemonClient } from "@getpaseo/client/internal/daemon-client";
+import { addProjectFlow, addProjectFlowInput, chooseAddProjectMethod } from "./add-project-flow";
+import { connectDaemonClient } from "./daemon-client-loader";
+import { buildCreateAgentPreferences, buildSeededHost } from "./daemon-registry";
+import { startIsolatedHostDaemon, type IsolatedHostDaemonOptions } from "./isolated-host-daemon";
+
+/** Points a fresh browser profile at one host, with no first-run record and no app settings. */
+export async function openAppAsNewUser(
+  page: Page,
+  host: { serverId: string; port: number },
+): Promise<void> {
+  const seededHost = buildSeededHost({
+    serverId: host.serverId,
+    endpoint: `127.0.0.1:${host.port}`,
+    nowIso: new Date().toISOString(),
+  });
+  await page.route(/:6767\b/, (route) => route.abort());
+  await page.routeWebSocket(/:6767\b/, async (webSocket) => {
+    await webSocket.close({ code: 1008, reason: "Blocked developer daemon during e2e." });
+  });
+  await page.addInitScript(
+    ({ registryHost, preferences }) => {
+      localStorage.setItem("@paseo:e2e", "1");
+      localStorage.setItem("@paseo:daemon-registry", JSON.stringify([registryHost]));
+      localStorage.setItem("@paseo:create-agent-preferences", JSON.stringify(preferences));
+    },
+    { registryHost: seededHost, preferences: buildCreateAgentPreferences() },
+  );
+  await page.goto("/");
+}
+
+interface FirstLaunchRecord {
+  appBeforeSetup: boolean;
+  setupOpacityOnArrival: number | null;
+}
+
+/**
+ * Watches the page from its first paint: whether the app's sidebar or home showed before setup,
+ * and how opaque setup was when it arrived. Call before `openAppAsNewUser`.
+ */
+export async function recordFirstLaunch(page: Page): Promise<void> {
+  await page.addInitScript(() => {
+    const record: FirstLaunchRecord = { appBeforeSetup: false, setupOpacityOnArrival: null };
+    Object.assign(window, { __firstLaunch: record });
+    const observer = new MutationObserver(() => {
+      const setup = document.querySelector('[data-testid="onboarding-modal"] [role="dialog"]');
+      if (setup) {
+        record.setupOpacityOnArrival = Number(getComputedStyle(setup).opacity);
+        observer.disconnect();
+        return;
+      }
+      if (
+        document.querySelector(
+          '[data-testid="open-project-submit"], [data-testid="sidebar-settings"]',
+        )
+      ) {
+        record.appBeforeSetup = true;
+      }
+    });
+    observer.observe(document, { childList: true, subtree: true });
+  });
+}
+
+export async function readFirstLaunch(page: Page): Promise<FirstLaunchRecord> {
+  return page.evaluate(
+    () => (window as unknown as { __firstLaunch: FirstLaunchRecord }).__firstLaunch,
+  );
+}
+
+/** The loading screen the app shows while it starts. */
+export function loadingScreen(page: Page): Locator {
+  return page.getByTestId("startup-splash");
+}
+
+/** The empty home a host with no projects lands on. */
+export function emptyHome(page: Page): Locator {
+  return page.getByTestId("open-project-submit");
+}
+
+export function setupModal(page: Page): Locator {
+  return page.getByTestId("onboarding-modal").getByRole("dialog");
+}
+
+export async function expectSetupStep(page: Page, title: string): Promise<void> {
+  await expect(setupModal(page).getByRole("heading", { name: title, exact: true })).toBeVisible({
+    timeout: 60_000,
+  });
+}
+
+export async function pickTheme(page: Page, name: string): Promise<void> {
+  const tile = setupModal(page).getByRole("radio", { name, exact: true });
+  await tile.click();
+  await expect(tile).toBeChecked();
+}
+
+export async function continueSetup(page: Page): Promise<void> {
+  await setupModal(page).getByRole("button", { name: "Continue", exact: true }).click();
+}
+
+export async function skipSetup(page: Page): Promise<void> {
+  await setupModal(page).getByRole("button", { name: "Skip setup", exact: true }).click();
+  await expect(setupModal(page)).toHaveCount(0);
+}
+
+/** Adds a folder through the regular Add project flow, opened from the setup's Projects step. */
+export async function addProjectFromSetup(page: Page, projectPath: string): Promise<void> {
+  await setupModal(page).getByRole("button", { name: "Add project", exact: true }).click();
+  await expect(addProjectFlow(page)).toBeVisible({ timeout: 30_000 });
+  await chooseAddProjectMethod(page, "directory-search");
+  await addProjectFlowInput(page).fill(projectPath);
+  await page.keyboard.press("Enter");
+  await expect(addProjectFlow(page)).toHaveCount(0, { timeout: 30_000 });
+}
+
+export async function showSetupAgainFromSettings(page: Page): Promise<void> {
+  await page.locator('[data-testid="sidebar-settings"]:visible').first().click();
+  await page.getByRole("button", { name: "Show setup again", exact: true }).click();
+}
+
+export async function goToSetupStep(page: Page, label: string): Promise<void> {
+  await setupModal(page).getByRole("tab", { name: label, exact: true }).click();
+}
+
+export function paseoToolsSwitch(scope: Page | Locator): Locator {
+  return scope.getByRole("switch", { name: "Inject Paseo tools", exact: true });
+}
+
+/** Whether the host gives its agents Paseo tools, read from the host itself. */
+export async function hostGivesAgentsPaseoTools(host: { port: number }): Promise<boolean> {
+  const client = await connectDaemonClient<
+    Pick<InternalDaemonClient, "connect" | "close" | "getDaemonConfig">
+  >({ clientIdPrefix: "app-e2e-onboarding", port: host.port });
+  try {
+    return (await client.getDaemonConfig()).config.mcp.injectIntoAgents !== false;
+  } finally {
+    await client.close();
+  }
+}
+
+export async function finishSetup(page: Page): Promise<void> {
+  await setupModal(page).getByRole("button", { name: "Finish", exact: true }).click();
+  await expect(setupModal(page)).toHaveCount(0);
+}
+
+/** Opens the Phone step's Relay row: the pair device modal, over setup. */
+export async function openRelayPairingFromSetup(page: Page): Promise<Locator> {
+  await setupModal(page).getByRole("button", { name: "Relay", exact: true }).click();
+  const pairing = page.getByTestId("onboarding-pair-device-card");
+  await expect(pairing).toBeVisible();
+  return pairing;
+}
+
+export async function closeRelayPairing(pairing: Locator): Promise<void> {
+  await pairing.getByRole("button", { name: "Close", exact: true }).click();
+  await expect(pairing).toHaveCount(0);
+}
+
+/** Clicks the Phone step's Tailscale row and returns the docs page it opened. */
+export async function openTailscaleDocsFromSetup(page: Page): Promise<string> {
+  await page
+    .context()
+    .route("https://paseo.sh/**", (route) =>
+      route.fulfill({ contentType: "text/html", body: "<title>Paseo docs</title>" }),
+    );
+  const popup = page.waitForEvent("popup");
+  await setupModal(page).getByRole("link", { name: "Tailscale, Docs", exact: true }).click();
+  const docs = await popup;
+  await docs.waitForLoadState("domcontentloaded");
+  const url = docs.url();
+  await docs.close();
+  return url;
+}
+
+export interface SetupHost {
+  serverId: string;
+  port: number;
+  close(): Promise<void>;
+}
+
+/**
+ * An isolated host whose only agent history is the Claude sessions given here, so suggestions
+ * never depend on the machine running the test. Its HOME is a scratch folder, so the skills setup
+ * installs never land in the real ~/.agents, ~/.claude or ~/.codex. `withBrokenProvider` adds a
+ * provider that cannot start.
+ */
+export async function startSetupHost(
+  label: string,
+  options: {
+    claudeSessionsIn?: readonly string[];
+    withBrokenProvider?: boolean;
+    mutableRelay?: IsolatedHostDaemonOptions["mutableRelay"];
+  } = {},
+): Promise<SetupHost> {
+  const serverId = `srv_onboarding_${label}_${randomUUID().replaceAll("-", "").slice(0, 8)}`;
+  const claudeConfigDir = await seedClaudeHistory(options.claudeSessionsIn ?? []);
+  const home = await mkdtemp(path.join(tmpdir(), "paseo-onboarding-home-"));
+  const daemon = await startIsolatedHostDaemon(serverId, {
+    config: claudeOnlyConfig({ withBrokenProvider: options.withBrokenProvider ?? false }),
+    environment: { ...process.env, HOME: home, CLAUDE_CONFIG_DIR: claudeConfigDir },
+    mutableRelay: options.mutableRelay,
+  });
+  return {
+    serverId,
+    port: daemon.port,
+    close: async () => {
+      await daemon.close();
+      await rm(claudeConfigDir, { recursive: true, force: true });
+      await rm(home, { recursive: true, force: true });
+    },
+  };
+}
+
+/** Writes one recent Claude session per folder into a fresh CLAUDE_CONFIG_DIR. */
+async function seedClaudeHistory(cwds: readonly string[]): Promise<string> {
+  const configDir = await mkdtemp(path.join(tmpdir(), "paseo-onboarding-claude-"));
+  const newest = Date.now() - 60_000;
+  for (const [index, cwd] of cwds.entries()) {
+    const sessionId = `onboarding-session-${index + 1}`;
+    const projectDir = path.join(configDir, "projects", cwd.replace(/[^a-zA-Z0-9]/g, "-"));
+    await mkdir(projectDir, { recursive: true });
+    const sessionPath = path.join(projectDir, `${sessionId}.jsonl`);
+    const record = {
+      type: "user",
+      uuid: `${sessionId}-user`,
+      message: { role: "user", content: `Work on session ${index + 1}` },
+      cwd,
+      sessionId,
+    };
+    await writeFile(sessionPath, `${JSON.stringify(record)}\n`);
+    const timestamp = new Date(newest - index * 60_000);
+    await utimes(sessionPath, timestamp, timestamp);
+  }
+  return configDir;
+}
+
+function claudeOnlyConfig(options: { withBrokenProvider: boolean }) {
+  const brokenProvider = {
+    "broken-acp": {
+      extends: "acp",
+      label: "Broken ACP",
+      command: ["missing-agent-command", "acp"],
+    },
+  };
+  return {
+    agents: {
+      providers: {
+        codex: { enabled: false },
+        copilot: { enabled: false },
+        omp: { enabled: false },
+        opencode: { enabled: false },
+        pi: { enabled: false },
+        ...(options.withBrokenProvider ? brokenProvider : {}),
+      },
+    },
+  };
+}
+
+/** The switch that picks a suggested project for adding. */
+export function projectSuggestion(page: Page, name: string): Locator {
+  return setupModal(page).getByRole("switch", { name, exact: true });
+}
+
+/** The whole suggestion row, with its path, last use and any add error beside the switch. */
+export function projectSuggestionRow(page: Page, name: string): Locator {
+  return setupModal(page)
+    .getByTestId("project-suggestion")
+    .filter({ has: page.getByRole("switch", { name, exact: true }) });
+}
+
+/** The footer's main button, which adds the checked suggestions when there are any. */
+export function setupPrimaryButton(page: Page, label: string): Locator {
+  return setupModal(page).getByRole("button", { name: label, exact: true });
+}

packages/app/e2e/support/helpers/plugin-buttons.ts

@@ -4,6 +4,9 @@ import path from "node:path";
 import type { Locator, TestInfo } from "@playwright/test";
 import { test, expect, type Page } from "@playwright/test";
 import { gotoAppShell } from "./app";
+import { scrollAgentChatToBottom, waitForScrollableChat } from "./agent-bottom-anchor";
+import { expectTurnCopyButton } from "./agent-stream";
+import { submitMessage } from "./composer";
 import { buildAgentRoute } from "./mock-agent";
 import { openCommandCenter } from "./command-center";
 import {
@@ -88,7 +91,7 @@ export default function contribute(client) {
   header("locked", { title: "Production locked", icon: "Lock", disabled: true, behavior: { kind: "action", onPress() {} } });
   const review = pill("review", { title: "Run review", icon: "Scan", label: "Review", behavior: { kind: "action", async onPress() { await new Promise((resolve) => { finishReview = resolve; }); review.update({ label: "Reviewed" }); } } });
   const pillMenu = pill("checks", { title: "Composer checks", icon: "ListChecks", label: "Checks", behavior: menu });
-  pill("usage", { title: "Composer status", icon: StatusIcon, label: "Status", behavior: { kind: "popover", Content: Details } });
+  const usage = pill("usage", { title: "Composer status", icon: StatusIcon, label: "Status", behavior: { kind: "popover", Content: Details } });
   const command = (id, title, onSelect) => client.addCommandCenterItem({ id, title, icon: "Settings", context: "workspace", onSelect });
   command("finish", "Finish deployment", () => finish());
   command("finish-review", "Finish review", () => finishReview());
@@ -102,10 +105,16 @@ export default function contribute(client) {
   command("hide-menu", "Hide composer menu", () => pillMenu.update({ visible: false }));
   command("show-menu", "Show composer menu", () => pillMenu.update({ visible: true }));
   const lifetime = new AbortController();
+  let pillsHidden = false;
   const applyWorkspace = (workspace) => {
     if (workspace.id !== workspaceId) return;
+    const hidePills = workspace.name === "No composer pills";
     deploy.update({ visible: workspace.name !== "Compact checks" });
-    pillMenu.update({ visible: workspace.name !== "Hide composer menu" });
+    pillMenu.update({ visible: workspace.name !== "Hide composer menu" && !hidePills });
+    if (hidePills === pillsHidden) return;
+    pillsHidden = hidePills;
+    review.update({ visible: !hidePills });
+    usage.update({ visible: !hidePills });
   };
   void client.paseo.workspaces.list({ subscribe: {}, signal: lifetime.signal }).then(({ subscription }) => {
     subscription.subscribe({
@@ -244,6 +253,38 @@ async function captureSchemes(page: Page, info: TestInfo, name: string, subject:
   await page.emulateMedia({ colorScheme: "light" });
 }
 
+const COMPOSER_PILLS = ["Run review", "Composer checks", "Composer status"] as const;
+
+function chevronOf(page: Page, title: string): Locator {
+  return page
+    .getByRole("button", { name: title, exact: true })
+    .getByTestId("plugin-button-chevron");
+}
+
+/** Composer pills that open a menu or popover carry a chevron; a one-tap action does not. */
+async function expectComposerPillChevrons(page: Page) {
+  await expect(chevronOf(page, "Composer checks")).toHaveCount(1);
+  await expect(chevronOf(page, "Composer status")).toHaveCount(1);
+  await expect(chevronOf(page, "Run review")).toHaveCount(0);
+}
+
+async function setComposerPillsShown(
+  page: Page,
+  showcase: { setTitle(title: string): Promise<unknown> },
+  shown: boolean,
+) {
+  await showcase.setTitle(shown ? "Button showcase" : "No composer pills");
+  for (const title of COMPOSER_PILLS) {
+    await expect(page.getByRole("button", { name: title, exact: true })).toHaveCount(shown ? 1 : 0);
+  }
+}
+
+async function lastTurnTop(page: Page): Promise<number> {
+  const box = await page.getByRole("button", { name: "Copy turn" }).last().boundingBox();
+  expect(box).not.toBeNull();
+  return box!.y;
+}
+
 async function expectHeaderTextTruncated(page: Page) {
   const title = page.getByTestId("workspace-header-title");
   const subtitle = page.getByTestId("workspace-header-subtitle");
@@ -276,6 +317,7 @@ export async function withButtonShowcase(
   run: (buttons: {
     openWideMenusAndPopovers(): Promise<void>;
     runAndUpdateActions(): Promise<void>;
+    keepTrackSpaceWithoutPills(): Promise<void>;
     openCompactSheets(): Promise<void>;
     useCompactWorkspaceMenu(): Promise<void>;
     hideAndUnloadOpenButtons(): Promise<void>;
@@ -348,11 +390,7 @@ export async function withButtonShowcase(
               .getByRole("button", { name: "Header checks", exact: true })
               .getByTestId("plugin-button-chevron"),
           ).toHaveCount(1);
-          await expect(
-            page
-              .getByRole("button", { name: "Composer checks", exact: true })
-              .getByTestId("plugin-button-chevron"),
-          ).toHaveCount(0);
+          await expectComposerPillChevrons(page);
           await expectSurfaceVisible(page);
           await captureSchemes(
             page,
@@ -476,10 +514,31 @@ export async function withButtonShowcase(
             "Review ready",
           );
         }),
+      keepTrackSpaceWithoutPills: () =>
+        test.step("the composer track keeps its space when every pill leaves and returns", async () => {
+          await page.setViewportSize(WIDE);
+          await submitMessage(page, "Stream a turn under the composer pills");
+          await expectTurnCopyButton(page);
+          await waitForScrollableChat(page, { minScrollableDistance: 200, timeout: 30_000 });
+          for (const viewport of [WIDE, COMPACT]) {
+            await page.setViewportSize(viewport);
+            await scrollAgentChatToBottom(page);
+            const top = await lastTurnTop(page);
+            await setComposerPillsShown(page, showcase, false);
+            expect(await lastTurnTop(page)).toBe(top);
+            await setComposerPillsShown(page, showcase, true);
+            expect(await lastTurnTop(page)).toBe(top);
+          }
+          await page.setViewportSize(WIDE);
+        }),
       openCompactSheets: () =>
         test.step("compact header leaves plugin actions to the workspace menu while composer triggers open sheets", async () => {
           await page.setViewportSize(COMPACT);
-          await expect(page.getByTestId("plugin-button-chevron")).toHaveCount(0);
+          await expect(
+            page.getByRole("toolbar", { name: "Workspace actions", exact: true }),
+          ).toHaveCount(0);
+          await expectComposerPillChevrons(page);
+          await expect(page.getByTestId("plugin-button-chevron")).toHaveCount(2);
           await expect(
             page.getByRole("button", { name: "Composer checks", exact: true }),
           ).toContainText("Checks");

packages/app/e2e/support/helpers/plugin-settings.ts

@@ -1,4 +1,7 @@
-import { copyPluginExample } from "./plugin-fixture";
+import { mkdtemp, rm, writeFile } from "node:fs/promises";
+import { tmpdir } from "node:os";
+import path from "node:path";
+import { copyPluginExample, pluginRequirements } from "./plugin-fixture";
 import { expect, test as base, type Page } from "../fixtures";
 import { gotoAppShell, openSettings } from "./app";
 import { goBackInSettings, openCompactSettings, openHostSection } from "./settings";
@@ -9,6 +12,54 @@ import { connectNewWorkspaceDaemonClient } from "./new-workspace";
 
 type SettingsClient = Awaited<ReturnType<typeof connectNewWorkspaceDaemonClient>>;
 
+const TABBED_PLUGIN_ID = "settings-tabs";
+const TABBED_PLUGIN_NAME = "Tabbed settings";
+/** Two settings screens, so the settings page shows a tab per screen. */
+const TABBED_SOURCE = `import React from "react";
+import { Text, View } from "react-native";
+import { defineTranslations, useTranslation } from "@getpaseo/plugin/client";
+
+const messages = defineTranslations({ resources: { en: { icon: "advanced-tab-icon" } } });
+
+function General({ theme }) {
+  return <Text style={{ color: theme.colors.foreground }}>General settings body</Text>;
+}
+
+function Advanced({ theme }) {
+  return <Text style={{ color: theme.colors.foreground }}>Advanced settings body</Text>;
+}
+
+// Component icons run with the plugin's runtime; one that throws costs its tab only the icon.
+function TranslatedIcon({ color, size }) {
+  const { t } = useTranslation(messages);
+  return <View testID={t("icon")} aria-hidden style={{ width: size, height: size, borderRadius: size / 2, backgroundColor: color }} />;
+}
+
+function BrokenIcon() {
+  throw new Error("Settings tab icon exploded");
+}
+
+export default function contribute(client) {
+  client.addSettingsScreen({ id: "general", title: "General", icon: BrokenIcon, Component: General });
+  client.addSettingsScreen({ id: "advanced", title: "Advanced", icon: TranslatedIcon, Component: Advanced });
+  return () => {};
+}
+`;
+
+async function writeTabbedPlugin() {
+  const directory = await mkdtemp(path.join(tmpdir(), `paseo-${TABBED_PLUGIN_ID}-`));
+  await writeFile(
+    path.join(directory, "paseo-plugin.json"),
+    JSON.stringify({
+      id: TABBED_PLUGIN_ID,
+      name: TABBED_PLUGIN_NAME,
+      requirements: pluginRequirements,
+    }),
+  );
+  await writeFile(path.join(directory, "index.client.tsx"), TABBED_SOURCE);
+  return { directory, cleanup: () => rm(directory, { recursive: true, force: true }) };
+}
+
 export const test = base.extend<{ settingsPlugin: SettingsClient }>({
   settingsPlugin: [
     async ({ e2eWorker, page }, provide, testInfo) => {
@@ -16,16 +67,20 @@ export const test = base.extend<{ settingsPlugin: SettingsClient }>({
       const client = await connectNewWorkspaceDaemonClient({ ownProjects: false });
       const previous = await client.getDaemonConfig();
       const example = await copyPluginExample("settings");
+      const tabbed = await writeTabbedPlugin();
       try {
         await client.patchDaemonConfig({ pluginsEnabled: true });
         await client.installDirectoryPlugin(example.directory);
+        await client.installDirectoryPlugin(tabbed.directory);
         await provide(client);
         await page.screenshot({ path: testInfo.outputPath("settings.png") });
       } finally {
         await client.removePlugin("settings-example");
+        await client.removePlugin(TABBED_PLUGIN_ID);
         await client.patchDaemonConfig({ pluginsEnabled: previous.config.pluginsEnabled });
         await client.close();
         await example.cleanup();
+        await tabbed.cleanup();
       }
     },
     { auto: true },
@@ -44,9 +99,88 @@ export async function openCompactDisplaySettings(page: Page) {
 }
 async function openPluginScreen(page: Page) {
   await openHostSection(page, getServerId(), "plugins");
-  await page.getByRole("button", { name: "Actions for settings-example", exact: true }).click();
-  await page.getByRole("menuitem", { name: "Display", exact: true }).click();
+  await openSettingsFromCog(page);
+}
+/** The cog on a plugin's row. Its label is "Settings"; the row tells plugins apart. */
+function settingsButton(page: Page, pluginId: string) {
+  return page
+    .getByTestId(`plugin-row-${pluginId}`)
+    .filter({ visible: true })
+    .getByRole("button", { name: "Settings", exact: true });
+}
+async function openSettingsFromCog(page: Page) {
+  await settingsButton(page, "settings-example").click();
   await expect(page.getByRole("switch", { name: "Show metadata" })).toBeVisible();
+  // A plugin with one settings screen shows no tabs, and the header names only the plugin.
+  await expect(page.getByTestId("plugin-settings-tabs")).toHaveCount(0);
+  await expectSettingsHeader(page, "settings-example");
+}
+export async function openPluginsPage(page: Page) {
+  await gotoAppShell(page);
+  await openSettings(page);
+  await openHostSection(page, getServerId(), "plugins");
+}
+export async function expectActionsMenuWithoutSettings(page: Page) {
+  await page.getByRole("button", { name: "Actions for settings-example", exact: true }).click();
+  await expect(page.getByRole("menuitem", { name: "Reload", exact: true })).toBeVisible();
+  await expect(page.getByRole("menuitem", { name: "Display", exact: true })).toHaveCount(0);
+  await page.keyboard.press("Escape");
+}
+export async function expectNoSettingsCogWithoutScreens(page: Page) {
+  await page.getByRole("switch", { name: "settings-example: Disable" }).click();
+  await expect(page.getByRole("switch", { name: "settings-example: Enable" })).toBeVisible();
+  await expect(settingsButton(page, "settings-example")).toHaveCount(0);
+  await page.getByRole("switch", { name: "settings-example: Enable" }).click();
+  await expect(settingsButton(page, "settings-example")).toBeVisible();
+}
+export async function expectSettingsTooltip(page: Page) {
+  await settingsButton(page, "settings-example").hover();
+  await expect(page.getByRole("tooltip")).toHaveText("Settings");
+  await page.mouse.move(0, 0);
+}
+/** A manifest `name` titles the row and its controls; the id stays visible beneath it. */
+export async function expectNamedPluginRow(page: Page) {
+  const row = page.getByTestId(`plugin-row-${TABBED_PLUGIN_ID}`).filter({ visible: true });
+  await expect(row.getByText(TABBED_PLUGIN_NAME, { exact: true })).toBeVisible();
+  await expect(row.getByText(TABBED_PLUGIN_ID, { exact: true })).toBeVisible();
+  await expect(
+    page.getByRole("switch", { name: `${TABBED_PLUGIN_NAME}: Disable`, exact: true }),
+  ).toBeVisible();
+  await expect(
+    page.getByRole("button", { name: `Actions for ${TABBED_PLUGIN_NAME}`, exact: true }),
+  ).toBeVisible();
+}
+export async function openTabbedSettings(page: Page) {
+  await settingsButton(page, TABBED_PLUGIN_ID).click();
+  await expectSettingsTab(page, "General");
+  // The Advanced icon reads the plugin's translations; the General icon throws and is dropped.
+  await expect(page.getByTestId("advanced-tab-icon")).toBeVisible();
+}
+function settingsTab(page: Page, title: string) {
+  return page.getByTestId("plugin-settings-tabs").getByRole("button", { name: title, exact: true });
+}
+export async function selectSettingsTab(page: Page, title: "General" | "Advanced") {
+  await settingsTab(page, title).click();
+  await expectSettingsTab(page, title);
+}
+export async function expectSettingsTab(page: Page, title: "General" | "Advanced") {
+  const other = title === "General" ? "Advanced" : "General";
+  await expect(settingsTab(page, title)).toHaveAttribute("aria-selected", "true");
+  await expect(page.getByText(`${title} settings body`, { exact: true })).toBeVisible();
+  await expect(page.getByText(`${other} settings body`, { exact: true })).toHaveCount(0);
+  // The header names the plugin by its manifest name; the tab names the screen.
+  await expectSettingsHeader(page, TABBED_PLUGIN_NAME);
+  await expectAppRoute(
+    page,
+    `${buildSettingsHostSectionRoute(getServerId(), "plugins")}/${TABBED_PLUGIN_ID}/${title.toLowerCase()}`,
+  );
+}
+export async function openTabbedSettingsLink(page: Page, title: "General" | "Advanced") {
+  await gotoAppShell(page);
+  await page.goto(
+    `${buildSettingsHostSectionRoute(getServerId(), "plugins")}/${TABBED_PLUGIN_ID}/${title.toLowerCase()}`,
+  );
+  await expectSettingsTab(page, title);
 }
 export async function groupByWorkspace(page: Page) {
   await page.getByRole("button", { name: /^Group agents by:/ }).click();
@@ -101,11 +235,7 @@ export async function discardTitle(page: Page) {
 }
 export async function returnAndReopenSettings(page: Page) {
   await goBackInSettings(page);
-  const actions = page.getByRole("button", { name: "Actions for settings-example", exact: true });
-  await expect(actions).toBeVisible();
-  await actions.click();
-  await page.getByRole("menuitem", { name: "Display", exact: true }).click();
-  await expect(page.getByRole("switch", { name: "Show metadata" })).toBeVisible();
+  await openSettingsFromCog(page);
 }
 export async function returnToPluginsPage(page: Page) {
   await page.getByRole("button", { name: "Back to plugins", exact: true }).click();
@@ -114,6 +244,10 @@ export async function returnToPluginsPage(page: Page) {
     page.getByRole("button", { name: "Actions for settings-example", exact: true }),
   ).toBeVisible();
 }
+async function expectSettingsHeader(page: Page, title: string) {
+  // Settings keeps the Plugins page mounted beneath, so read the visible title only.
+  await expect(page.getByText(title, { exact: true }).filter({ visible: true })).toHaveCount(1);
+}
 export async function expectSettingsUnavailable(page: Page) {
   await expect(
     page.getByText("This plugin settings screen is unavailable.", { exact: true }),

packages/app/e2e/support/helpers/plugin-timeline.ts

@@ -134,7 +134,7 @@ export default function contribute(client) {
 }`;
 }
 
-async function withDirectoryPlugin(options: {
+export async function withDirectoryPlugin(options: {
   pluginId: string;
   source: string;
   run: () => Promise<void>;

packages/app/e2e/support/helpers/seed-client.ts

@@ -118,6 +118,7 @@ export interface SeedDaemonClient {
     featureValues?: Record<string, unknown>;
     initialPrompt?: string;
     labels?: Record<string, string>;
+    background?: boolean;
   }): Promise<{ id: string; status: string }>;
   fetchAgents(options?: { scope?: "active" }): Promise<{
     entries: Array<{
@@ -156,8 +157,11 @@ export interface SeedDaemonClient {
   sendAgentMessage(
     agentId: string,
     text: string,
-    options?: { sourceAgentId?: string },
+    options?: { sourceAgentId?: string; activeTurnBehavior?: "interrupt" | "steer" | "queue" },
   ): Promise<void>;
+  listAgentBackgroundWork(
+    agentId: string,
+  ): Promise<import("@getpaseo/client").PaseoAgentBackgroundWorkItem[]>;
   waitForFinish(
     agentId: string,
     timeout?: number,

packages/app/e2e/support/helpers/settings.ts

@@ -351,9 +351,24 @@ export async function expectDirectHostFormValues(
 }
 
 export async function expectDirectHostSslEnabled(page: Page): Promise<void> {
+  await expect(page.getByRole("checkbox", { name: "Use SSL", exact: true })).toBeChecked();
   await expect(page.getByTestId("direct-ssl-toggle-checked")).toBeVisible();
 }
 
+export async function fillDirectHostAddress(page: Page, host: string, port: string): Promise<void> {
+  await page.getByRole("textbox", { name: "Host", exact: true }).fill(host);
+  await page.getByRole("textbox", { name: "Port", exact: true }).fill(port);
+}
+
+export async function toggleDirectHostSsl(page: Page): Promise<void> {
+  await page.getByRole("checkbox", { name: "Use SSL", exact: true }).click();
+}
+
+export async function expectDirectHostSslDisabled(page: Page): Promise<void> {
+  await expect(page.getByRole("checkbox", { name: "Use SSL", exact: true })).not.toBeChecked();
+  await expect(page.getByTestId("direct-ssl-toggle-checked")).toHaveCount(0);
+}
+
 export async function expectDirectHostUriValue(page: Page, uri: string): Promise<void> {
   await expect(page.getByTestId("direct-host-uri-input")).toHaveValue(uri);
 }

packages/app/e2e/support/helpers/sidebar-footer-overflow.ts

@@ -0,0 +1,127 @@
+import { expect, type Locator, type Page } from "@playwright/test";
+
+/** Every footer control that can sit in the icon line, caret included. */
+const FOOTER_LINE_TEST_IDS = [
+  "sidebar-add-project",
+  "sidebar-usage-icon",
+  "sidebar-hosts-trigger",
+  "sidebar-help",
+  "sidebar-footer-overflow",
+  "sidebar-settings",
+];
+
+// Browser layout boxes include floating-point rounding, even for whole-pixel styles.
+const GEOMETRY_TOLERANCE = 0.01;
+
+/** Open the app with the docked sidebar at `width`, as if the user had dragged it there. */
+export async function seedDockedSidebarWidth(page: Page, width: number): Promise<void> {
+  await page.addInitScript((sidebarWidth) => {
+    localStorage.setItem("panel-state", JSON.stringify({ version: 17, state: { sidebarWidth } }));
+  }, width);
+}
+
+/**
+ * From the first frame, record any frame in which a footer button reaches past its row, so a row
+ * laid out before it measured shows up even if it lasted one frame.
+ */
+export async function watchFooterClipping(page: Page): Promise<void> {
+  await page.addInitScript((testIDs) => {
+    const clippedFrames: string[] = [];
+    Object.assign(window, { __footerClippedFrames: clippedFrames });
+    const sample = () => {
+      for (const row of document.querySelectorAll('[data-testid="sidebar-footer-bottom-line"]')) {
+        const rowRect = row.getBoundingClientRect();
+        if (rowRect.width === 0) continue;
+        for (const testID of testIDs) {
+          const button = row.querySelector(`[data-testid="${testID}"]`);
+          if (button && button.getBoundingClientRect().right > rowRect.right + 0.5) {
+            clippedFrames.push(testID);
+          }
+        }
+      }
+      requestAnimationFrame(sample);
+    };
+    requestAnimationFrame(sample);
+  }, FOOTER_LINE_TEST_IDS);
+}
+
+export async function expectFooterNeverClipped(page: Page): Promise<void> {
+  const clipped = await page.evaluate(
+    () => (window as unknown as { __footerClippedFrames: string[] }).__footerClippedFrames,
+  );
+  expect(clipped).toEqual([]);
+}
+
+function footerLine(page: Page): Locator {
+  return page.locator('[data-testid="sidebar-footer-bottom-line"]:visible');
+}
+
+export function footerOverflowMenu(page: Page): Locator {
+  return page.getByTestId("sidebar-footer-overflow-menu");
+}
+
+/**
+ * The icon line shows exactly `testIDs`, in order, each `controlSize` square and wholly inside the
+ * line's box, so no button is cut off by the sidebar's edge.
+ */
+export async function expectFooterLine(
+  page: Page,
+  input: { testIDs: string[]; controlSize: number },
+): Promise<void> {
+  const line = footerLine(page);
+  await expect(line).toHaveCount(1);
+  await expect
+    .poll(async () =>
+      line
+        .locator(FOOTER_LINE_TEST_IDS.map((testID) => `[data-testid="${testID}"]`).join(","))
+        .evaluateAll((elements) => elements.map((element) => element.getAttribute("data-testid"))),
+    )
+    .toEqual(input.testIDs);
+  const { row, buttons } = await line.evaluate((element, testIDs) => {
+    const rect = (node: Element) => {
+      const { x, width, height } = node.getBoundingClientRect();
+      return { x, width, height };
+    };
+    return {
+      row: rect(element),
+      buttons: testIDs.map((testID) => rect(element.querySelector(`[data-testid="${testID}"]`)!)),
+    };
+  }, input.testIDs);
+  for (const button of buttons) {
+    expect(Math.abs(button.width - input.controlSize)).toBeLessThan(GEOMETRY_TOLERANCE);
+    expect(Math.abs(button.height - input.controlSize)).toBeLessThan(GEOMETRY_TOLERANCE);
+    expect(button.x).toBeGreaterThanOrEqual(row.x - GEOMETRY_TOLERANCE);
+    expect(button.x + button.width).toBeLessThanOrEqual(row.x + row.width + GEOMETRY_TOLERANCE);
+  }
+}
+
+export async function openFooterOverflow(page: Page): Promise<void> {
+  await footerLine(page).getByTestId("sidebar-footer-overflow").click();
+  await expect(footerOverflowMenu(page)).toBeVisible();
+}
+
+/** The overflow menu lists exactly these actions, in row order. */
+export async function expectFooterOverflowActions(page: Page, names: string[]): Promise<void> {
+  await expect(footerOverflowMenu(page).getByRole("menuitem")).toHaveText(names);
+}
+
+export async function chooseFooterOverflowAction(page: Page, name: string): Promise<void> {
+  await footerOverflowMenu(page).getByRole("menuitem", { name }).click();
+}
+
+/** Every row of the open overflow menu, and of the page it opened, is inside the viewport's width. */
+export async function expectFooterMenusInsideViewport(page: Page): Promise<void> {
+  const viewport = page.viewportSize()!;
+  const rows = page.getByRole("menuitem");
+  await expect(rows.first()).toBeVisible();
+  const boxes = await rows.evaluateAll((elements) =>
+    elements.map((element) => {
+      const { x, width } = element.getBoundingClientRect();
+      return { x, width };
+    }),
+  );
+  for (const box of boxes) {
+    expect(box.x).toBeGreaterThanOrEqual(0);
+    expect(box.x + box.width).toBeLessThanOrEqual(viewport.width);
+  }
+}

packages/app/e2e/support/helpers/sidebar-views.ts

@@ -0,0 +1,191 @@
+import { readFile, writeFile } from "node:fs/promises";
+import path from "node:path";
+import { expect, type Page } from "@playwright/test";
+import { copyPluginExample } from "./plugin-fixture";
+import { connectNewWorkspaceDaemonClient } from "./new-workspace";
+import { seedWorkspace } from "./seed-client";
+import { gotoWorkspace } from "./launcher";
+import { openSidebarNavSettings, leaveSettings } from "./sidebar-nav-settings";
+import { visibleTestId } from "./plugin-sidebar-items";
+import { getServerId } from "./server-id";
+
+export async function withSidebarViews(
+  page: Page,
+  run: (views: ReturnType<typeof sidebarViews>) => Promise<void>,
+) {
+  const example = await copyPluginExample("sidebar-views");
+  const entry = path.join(example.directory, "index.client.tsx");
+  const original = await readFile(entry, "utf8");
+  await writeFile(
+    entry,
+    original.replace(
+      "const cleanups = [",
+      'client.addSidebarView({ id: "broken", title: "Broken example", Component() { throw new Error("View failed"); } });\n  const cleanups = [',
+    ),
+  );
+  const client = await connectNewWorkspaceDaemonClient({ ownProjects: false });
+  const workspace = await seedWorkspace({
+    repoPrefix: "sidebar-views-",
+    title: "Sidebar view workspace",
+  });
+  try {
+    await client.patchDaemonConfig({ pluginsEnabled: true });
+    await client.installDirectoryPlugin(example.directory);
+    await page.setViewportSize({ width: 1280, height: 900 });
+    await gotoWorkspace(page, workspace.workspaceId);
+    await run(sidebarViews(page, workspace.workspaceId, client));
+  } finally {
+    await client.removePlugin("sidebar-views");
+    await client.close();
+    await workspace.cleanup();
+    await example.cleanup();
+  }
+}
+function sidebarViews(
+  page: Page,
+  workspaceId: string,
+  client: Awaited<ReturnType<typeof connectNewWorkspaceDaemonClient>>,
+) {
+  const builtinRow = () =>
+    visibleTestId(page, `sidebar-workspace-row-${getServerId()}:${workspaceId}`);
+  async function choose(title: string) {
+    await openSidebarNavSettings(page);
+    await page.getByRole("button", { name: /^View:/ }).click();
+    await page.getByRole("menuitem", { name: title, exact: true }).click();
+    await expect(page.getByRole("button", { name: `View: ${title}`, exact: true })).toBeVisible();
+    await leaveSettings(page);
+  }
+  async function expectDefault() {
+    await expect(builtinRow()).toBeVisible();
+  }
+  async function expectPlugin() {
+    await expect(
+      visibleTestId(page, "plugin-sidebar-view").getByText("Sidebar view workspace", {
+        exact: true,
+      }),
+    ).toBeVisible();
+    await expect(builtinRow()).toHaveCount(0);
+    await expect(visibleTestId(page, "sidebar-global-new-workspace")).toBeVisible();
+    await expect(visibleTestId(page, "sidebar-settings")).toBeVisible();
+  }
+  return {
+    expectDefault,
+    async chooseWorkspaces() {
+      await choose("Example workspaces");
+      await expectPlugin();
+    },
+    async exerciseExamples() {
+      await choose("Example agents");
+      await expect(
+        visibleTestId(page, "plugin-sidebar-view").getByText("Respond", { exact: true }),
+      ).toBeVisible();
+      await choose("Example nested agents");
+      await expectPlugin();
+      await choose("Example label folders");
+      const slot = visibleTestId(page, "plugin-sidebar-view");
+      await slot
+        .getByRole("button", { name: `Move workspace ${workspaceId}`, exact: true })
+        .click();
+      await slot.getByRole("button", { name: "Move to Inbox", exact: true }).click();
+      await expect
+        .poll(
+          async () =>
+            (await client.fetchWorkspaces()).entries.find((item) => item.id === workspaceId)
+              ?.labels,
+        )
+        .toContain("Inbox");
+      await slot
+        .getByRole("button", { name: `Move workspace ${workspaceId}`, exact: true })
+        .click();
+      await slot.getByRole("button", { name: "Move to Later", exact: true }).click();
+      await expect
+        .poll(
+          async () =>
+            (await client.fetchWorkspaces()).entries.find((item) => item.id === workspaceId)
+              ?.labels,
+        )
+        .toEqual(["Later"]);
+      await client.setWorkspaceLabel({
+        workspaceId,
+        label: { name: "Unlabelled", color: "red" },
+        assigned: true,
+      });
+      await client.setWorkspaceLabel({
+        workspaceId,
+        label: { name: "Later", color: "red" },
+        assigned: false,
+      });
+      await expect
+        .poll(
+          async () =>
+            (await client.fetchWorkspaces()).entries.find((item) => item.id === workspaceId)
+              ?.labels,
+        )
+        .toEqual(["Unlabelled"]);
+      await slot
+        .getByRole("button", { name: `Move workspace ${workspaceId}`, exact: true })
+        .click();
+      await slot.getByRole("button", { name: "Move to Inbox", exact: true }).click();
+      await expect
+        .poll(
+          async () =>
+            (await client.fetchWorkspaces()).entries.find((item) => item.id === workspaceId)
+              ?.labels,
+        )
+        .toEqual(["Inbox"]);
+    },
+    async exerciseTerminals() {
+      await choose("Example terminals");
+      const slot = visibleTestId(page, "plugin-sidebar-view");
+      await slot
+        .getByRole("button", { name: `Terminals on ${getServerId()}`, exact: true })
+        .click();
+      await expect(slot.getByText("No terminals", { exact: true })).toBeVisible();
+      const workspace = (await client.fetchWorkspaces()).entries.find(
+        (item) => item.id === workspaceId,
+      )!;
+      const created = await client.createTerminal(
+        workspace.workspaceDirectory,
+        "Sidebar terminal",
+        undefined,
+        { workspaceId },
+      );
+      if (!created.terminal) throw new Error(created.error ?? "Terminal creation failed");
+      try {
+        await expect(
+          slot.getByTestId(`sidebar-terminal-open-${created.terminal.id}`),
+        ).toBeVisible();
+        await slot.getByTestId(`sidebar-terminal-open-${created.terminal.id}`).click();
+        await expect(page.getByTestId("terminal-surface").first()).toBeVisible();
+        await slot.getByTestId(`sidebar-terminal-kill-${created.terminal.id}`).click();
+        await expect
+          .poll(async () => (await client.listTerminals()).terminals.map((item) => item.id))
+          .not.toContain(created.terminal!.id);
+        await expect(slot.getByText("No terminals", { exact: true })).toBeVisible();
+      } finally {
+        await client.killTerminal(created.terminal.id);
+      }
+    },
+    async restoreDefault() {
+      await choose("Default view");
+      await expectDefault();
+    },
+    async recoverFromFailure() {
+      await choose("Broken example");
+      await expect(page.getByText("Sidebar view failed to load.", { exact: true })).toBeVisible();
+      await page.getByRole("button", { name: "Use default view", exact: true }).click();
+      await expectDefault();
+    },
+    async disableChosenView() {
+      await client.disablePlugin("sidebar-views");
+      await expectDefault();
+      await openSidebarNavSettings(page);
+      await expect(
+        page.getByText("The selected view is unavailable or disabled. Showing Default view.", {
+          exact: true,
+        }),
+      ).toBeVisible();
+      await leaveSettings(page);
+    },
+  };
+}

packages/app/e2e/support/helpers/sidebar.ts

@@ -71,8 +71,23 @@ export async function focusWorkspaceRowWithKeyboard(
   await expect(row).toBeFocused();
 }
 
+export async function scrollWorkspaceList(page: Page): Promise<void> {
+  const list = page.getByTestId("sidebar-project-workspace-list-scroll");
+  const before = await list.evaluate((element) => element.scrollTop);
+  await list.evaluate((element) =>
+    element.scrollBy({ top: element.scrollTop > 0 ? -40 : 40, behavior: "instant" }),
+  );
+  await expect.poll(() => list.evaluate((element) => element.scrollTop)).not.toBe(before);
+}
+
 export async function expectWorkspaceHoverCardOpen(page: Page): Promise<void> {
-  await expect(page.getByTestId("workspace-hover-card")).toBeVisible();
+  const cards = page.getByTestId("workspace-hover-card");
+  // Keyboard navigation can leave the previous card closing while the next opens.
+  // Retry both checks together: another card may mount between count and visibility.
+  await expect(async () => {
+    expect(await cards.count()).toBe(1);
+    expect(await cards.isVisible()).toBe(true);
+  }).toPass({ timeout: 10_000 });
 }
 
 export async function expectWorkspaceHoverCardStaysOpen(page: Page): Promise<void> {
@@ -81,6 +96,35 @@ export async function expectWorkspaceHoverCardStaysOpen(page: Page): Promise<voi
   await expectWorkspaceHoverCardOpen(page);
 }
 
+/** Scans the rows in the given order at about a user's pace, then rests on the last one. */
+export async function sweepPointerAcrossWorkspaceRows(
+  page: Page,
+  workspaceIds: string[],
+): Promise<void> {
+  const centers: Array<{ x: number; y: number }> = [];
+  for (const workspaceId of workspaceIds) {
+    const row = page.getByTestId(`sidebar-workspace-row-${getServerId()}:${workspaceId}`);
+    await expect(row).toBeVisible({ timeout: 30_000 });
+    const bounds = await row.boundingBox();
+    if (!bounds) throw new Error(`Could not measure the row of ${workspaceId}`);
+    centers.push({ x: bounds.x + bounds.width / 2, y: bounds.y + bounds.height / 2 });
+  }
+  const [first, ...rest] = centers;
+  await page.mouse.move(first!.x, first!.y);
+  for (const center of rest) {
+    await page.mouse.move(center.x, center.y, { steps: 3 });
+  }
+}
+
+export async function expectOnlyWorkspaceHoverCardFor(
+  page: Page,
+  workspaceName: string,
+): Promise<void> {
+  const cards = page.getByTestId("workspace-hover-card");
+  await expect(cards).toHaveCount(1);
+  await expect(cards.getByTestId("hover-card-workspace-name")).toHaveText(workspaceName);
+}
+
 export async function expectWorkspaceHoverCardClosed(page: Page): Promise<void> {
   await expect(page.getByTestId("workspace-hover-card")).toHaveCount(0);
 }
@@ -252,16 +296,9 @@ export async function expectMobileAgentSidebarHidden(page: Page): Promise<void>
   await expect(page.getByTestId("sidebar-sessions")).not.toBeInViewport({ timeout: 5_000 });
 }
 
-/** Drag from the left edge: the only way to open the list while fullscreen hides the header. */
-export async function swipeOpenMobileAgentSidebar(page: Page): Promise<void> {
-  const viewport = page.viewportSize();
-  if (!viewport) throw new Error("viewport size is required");
-  const y = Math.round(viewport.height / 2);
-  await page.mouse.move(8, y);
-  await page.mouse.down();
-  await page.mouse.move(40, y, { steps: 4 });
-  await page.mouse.move(Math.round(viewport.width * 0.7), y, { steps: 12 });
-  await page.mouse.up();
+/** Opens navigation without moving focus to the header, including over a fullscreen editor. */
+export async function openMobileAgentSidebarWithKeyboard(page: Page): Promise<void> {
+  await page.keyboard.press("ControlOrMeta+b");
 }
 
 /** Drag from the right edge to open the compact Explorer over the agent. */