diff --git a/packages/app/e2e/browser/chat-outline.spec.ts b/packages/app/e2e/browser/chat-outline.spec.ts
index 9dd3c33313..640b141f53 100644
--- a/packages/app/e2e/browser/chat-outline.spec.ts
+++ b/packages/app/e2e/browser/chat-outline.spec.ts
@@ -25,6 +25,12 @@ import {
   expectReadingStreamedMarkdown,
 } from "../support/helpers/chat-outline";
 import { createCreationScenario } from "../support/helpers/creation";
+import {
+  attachPromptTimelineEvidence,
+  expectPromptsDrawnByPlugin,
+  expectVirtualizedPluginPromptVisible,
+  withPromptTimelinePlugin,
+} from "../support/helpers/plugin-timeline";
 import {
   expectTimelineAtMaximumScrollWithPromptVisible,
   expectTimelinePromptNotMounted,
@@ -105,6 +111,60 @@ test.describe("desktop chat outline", () => {
     }
   });
 
+  test("jumps to prompts a timeline plugin draws", async ({ page }) => {
+    test.setTimeout(180_000);
+    const agent = await seedLongMockAgentTimeline({ turns: 80 });
+    try {
+      await withPromptTimelinePlugin(async () => {
+        await page.setViewportSize(WIDE_VIEWPORT);
+        await openAgentTimeline(page, agent);
+        await expectChatOutlinePrompts(page, 80);
+        await expectPromptsDrawnByPlugin(page);
+        await expectTimelinePromptNotMounted(page, agent.prompts[39]);
+
+        // Unloaded, then loaded, then near the newest edge.
+        await clickChatOutlineRowEdge(page, 40);
+        await expectTimelinePromptLandedBelowTop(page, agent.prompts[39]);
+        await attachPromptTimelineEvidence(page, test.info());
+        await clickChatOutlineRowEdge(page, 45);
+        await expectTimelinePromptLandedBelowTop(page, agent.prompts[44]);
+        await clickChatOutlineRowEdge(page, 78);
+        await expectTimelineAtMaximumScrollWithPromptVisible(page, agent.prompts[77]);
+        await expectPromptsDrawnByPlugin(page);
+      });
+    } finally {
+      await agent.cleanup();
+    }
+  });
+
+  test("jumps to a loaded virtualized prompt a timeline plugin draws without fetching", async ({
+    page,
+  }) => {
+    test.setTimeout(180_000);
+    const agent = await seedLongMockAgentTimeline({ turns: 80 });
+    const prompt = agent.prompts[29]!;
+    try {
+      await withPromptTimelinePlugin(async () => {
+        const history = await holdOlderHistoryPages(page, agent);
+        await page.setViewportSize(WIDE_VIEWPORT);
+        await openAgentTimeline(page, agent);
+        await expectChatOutlinePrompts(page, 80);
+        await scrollThroughOlderHistoryPages(page, 2, history);
+        await scrollTimelineToNewestLoadedEdge(page);
+        await expectTimelinePromptNotMounted(page, prompt);
+        const requestsBeforeJump = history.requestCount();
+
+        await clickChatOutlineRowEdge(page, 30);
+        await expectTimelinePromptLandedBelowTop(page, prompt);
+        await expectVirtualizedPluginPromptVisible(page, prompt);
+        await attachPromptTimelineEvidence(page, test.info());
+        expect(history.requestCount()).toBe(requestsBeforeJump);
+      }, [prompt]);
+    } finally {
+      await agent.cleanup();
+    }
+  });
+
   test.describe("with the whole conversation loaded", () => {
     let agent: LongTimelineAgent;
 
diff --git a/packages/app/e2e/support/helpers/plugin-timeline.ts b/packages/app/e2e/support/helpers/plugin-timeline.ts
index d6656f3d3a..8ad7e0a632 100644
--- a/packages/app/e2e/support/helpers/plugin-timeline.ts
+++ b/packages/app/e2e/support/helpers/plugin-timeline.ts
@@ -47,6 +47,65 @@ export default function contribute(client) {
   return () => {};
 }`;
 
+const PROMPT_PLUGIN_ID = "timeline-prompt-e2e";
+
+function promptClientSource(prompts?: readonly string[]): string {
+  return `import React from "react";
+import { Text, View } from "react-native";
+import { z } from "zod";
+
+const selectedPrompts = ${JSON.stringify(prompts ?? null)};
+
+function PromptCard({ item }) {
+  return <View testID="plugin-prompt"><Text>{item.data.text}</Text></View>;
+}
+
+export default function contribute(client) {
+  client.addTimelineTransformer({
+    id: "prompt",
+    query: { itemType: "user_message" },
+    transform({ item }) {
+      if (selectedPrompts && !selectedPrompts.includes(item.text)) return undefined;
+      return { items: [{ type: "plugin", kind: "prompt", version: 1, data: { text: item.text } }] };
+    },
+  });
+  client.addTimelineRenderer({
+    kind: "prompt", version: 1,
+    schema: z.object({ text: z.string() }),
+    Component: PromptCard,
+  });
+  return () => {};
+}`;
+}
+
+async function withDirectoryPlugin(options: {
+  pluginId: string;
+  source: string;
+  run: () => Promise<void>;
+}): Promise<void> {
+  const { pluginId, source, run } = options;
+  const directory = await mkdtemp(path.join(tmpdir(), "paseo-timeline-plugin-"));
+  const pluginClient = await connectNewWorkspaceDaemonClient({ ownProjects: false });
+  const previous = await pluginClient.getDaemonConfig();
+  try {
+    await writeFile(
+      path.join(directory, "paseo-plugin.json"),
+      JSON.stringify({ id: pluginId, requirements: pluginRequirements }),
+    );
+    await writeFile(path.join(directory, "index.client.tsx"), source);
+    await pluginClient.patchDaemonConfig({ pluginsEnabled: true });
+    await pluginClient.installDirectoryPlugin(directory);
+    await run();
+  } finally {
+    await pluginClient.removePlugin(pluginId);
+    await pluginClient.patchDaemonConfig({
+      pluginsEnabled: previous.config.pluginsEnabled ?? false,
+    });
+    await pluginClient.close();
+    await rm(directory, { recursive: true, force: true });
+  }
+}
+
 export async function withTimelinePlugin(
   page: Page,
   info: TestInfo,
@@ -60,7 +119,6 @@ export async function withTimelinePlugin(
       JSON.stringify({ toolCallDetailLevel: "overview" }),
     );
   });
-  const directory = await mkdtemp(path.join(tmpdir(), "paseo-timeline-plugin-"));
   const agent = await seedMockAgentWorkspace({
     repoPrefix: "timeline-plugin-",
     title: "Timeline plugin regression",
@@ -73,40 +131,53 @@ export async function withTimelinePlugin(
           }
         : {},
   });
-  const pluginClient = await connectNewWorkspaceDaemonClient({ ownProjects: false });
-  const previous = await pluginClient.getDaemonConfig();
   try {
-    await writeFile(
-      path.join(directory, "paseo-plugin.json"),
-      JSON.stringify({ id: PLUGIN_ID, requirements: pluginRequirements }),
-    );
-    await writeFile(path.join(directory, "index.client.tsx"), CLIENT_SOURCE);
-    await pluginClient.patchDaemonConfig({ pluginsEnabled: true });
-    await pluginClient.installDirectoryPlugin(directory);
-    await openAgentRoute(page, agent);
-    await expect(page.getByRole("textbox", { name: "Message agent..." }).first()).toBeVisible();
-    await run(agent);
-    await info.attach("timeline-plugin", {
-      body: await page.screenshot({ path: info.outputPath("timeline-plugin.png") }),
-      contentType: "image/png",
+    await withDirectoryPlugin({
+      pluginId: PLUGIN_ID,
+      source: CLIENT_SOURCE,
+      run: async () => {
+        try {
+          await openAgentRoute(page, agent);
+          await expect(
+            page.getByRole("textbox", { name: "Message agent..." }).first(),
+          ).toBeVisible();
+          await run(agent);
+          await info.attach("timeline-plugin", {
+            body: await page.screenshot({ path: info.outputPath("timeline-plugin.png") }),
+            contentType: "image/png",
+          });
+        } catch (error) {
+          await info.attach("timeline-before-cleanup", {
+            body: await page.screenshot({ path: info.outputPath("timeline-before-cleanup.png") }),
+            contentType: "image/png",
+          });
+          throw error;
+        }
+      },
     });
-  } catch (error) {
-    await info.attach("timeline-before-cleanup", {
-      body: await page.screenshot({ path: info.outputPath("timeline-before-cleanup.png") }),
-      contentType: "image/png",
-    });
-    throw error;
   } finally {
-    await pluginClient.removePlugin(PLUGIN_ID);
-    await pluginClient.patchDaemonConfig({
-      pluginsEnabled: previous.config.pluginsEnabled ?? false,
-    });
-    await pluginClient.close();
     await agent.cleanup();
-    await rm(directory, { recursive: true, force: true });
   }
 }
 
+/** Draws all prompts, or only the selected prompts, as plugin cards. */
+export async function withPromptTimelinePlugin(
+  run: () => Promise<void>,
+  prompts?: readonly string[],
+): Promise<void> {
+  await withDirectoryPlugin({
+    pluginId: PROMPT_PLUGIN_ID,
+    source: promptClientSource(prompts),
+    run,
+  });
+}
+
+export async function expectPromptsDrawnByPlugin(page: Page): Promise<void> {
+  const timeline = page.locator('[data-testid="agent-chat-scroll"]:visible').first();
+  await expect(timeline.getByTestId("plugin-prompt").first()).toBeVisible({ timeout: 30_000 });
+  await expect(timeline.getByTestId("user-message")).toHaveCount(0);
+}
+
 export async function requestPluginTimeline(agent: MockAgentWorkspace): Promise<void> {
   await agent.client.sendAgentMessage(agent.agentId, "Exercise timeline transforms.");
 }
@@ -142,3 +213,21 @@ export async function expectBothConsecutiveTools(page: Page): Promise<void> {
   await grep.scrollIntoViewIfNeeded();
   await expect(grep).toBeVisible();
 }
+
+/** The row belongs to the virtualized history, not the always-mounted recent window. */
+export async function expectVirtualizedPluginPromptVisible(
+  page: Page,
+  prompt: string,
+): Promise<void> {
+  const timeline = page.locator('[data-testid="agent-chat-scroll"]:visible').first();
+  await expect(
+    timeline.locator("[data-index]").getByTestId("plugin-prompt").filter({ hasText: prompt }),
+  ).toBeVisible();
+}
+
+export async function attachPromptTimelineEvidence(page: Page, info: TestInfo): Promise<void> {
+  await info.attach("plugin-outline-jump", {
+    body: await page.screenshot({ path: info.outputPath("plugin-outline-jump.png") }),
+    contentType: "image/png",
+  });
+}
diff --git a/packages/app/src/agent-stream/presentation.test.ts b/packages/app/src/agent-stream/presentation.test.ts
index 54160ebcb9..70ed8862ae 100644
--- a/packages/app/src/agent-stream/presentation.test.ts
+++ b/packages/app/src/agent-stream/presentation.test.ts
@@ -11,7 +11,7 @@ import {
   type UserMessageItem,
 } from "@/types/stream";
 import { transformTimelineItem, type TimelineItemTransform } from "@/plugins/timeline/model";
-import { createStreamPresentation } from "./presentation";
+import { createStreamPresentation, getStreamItemMessageId } from "./presentation";
 import { buildAgentStreamRenderModel } from "./model";
 
 const runtime = {
@@ -29,7 +29,7 @@ const runtime = {
 } as unknown as PluginClientRuntime;
 
 function installProbe(
-  itemType: "assistant_message" | "tool_call" | "reasoning",
+  itemType: "user_message" | "assistant_message" | "tool_call" | "reasoning",
   condition = "true",
 ): InstalledPlugin {
   const clientBundle = `(function() {
@@ -160,6 +160,23 @@ describe("stream presentation through installed plugins", () => {
     },
   );
 
+  it("addresses a prompt a plugin replaced by the prompt's own id", () => {
+    const harness = streamHarness(installedTransform(installProbe("user_message")));
+    const rendered = rows(
+      harness.send({
+        type: "timeline",
+        provider: "claude",
+        item: { type: "user_message", messageId: "prompt-1", text: "Earlier prompt" },
+      }),
+    );
+    const source = rows(harness.source());
+
+    expect(source).toMatchObject([{ kind: "user_message", id: "prompt-1" }]);
+    expect(rendered).toMatchObject([{ kind: "plugin", id: "probe-plugin/prompt-1/0" }]);
+    // The chat outline jumps to the source id; the row it lands on is the plugin's.
+    expect(rendered.map(getStreamItemMessageId)).toEqual(["prompt-1"]);
+  });
+
   it("finishes one message before streaming a different message ID", () => {
     const harness = streamHarness(installedTransform(installProbe("assistant_message")));
     harness.send(assistant("First\n\nBody", "first"));
diff --git a/packages/app/src/agent-stream/presentation.ts b/packages/app/src/agent-stream/presentation.ts
index 8300996348..b89f91f6c0 100644
--- a/packages/app/src/agent-stream/presentation.ts
+++ b/packages/app/src/agent-stream/presentation.ts
@@ -26,10 +26,14 @@ function retainItems(previous: StreamItem[], next: StreamItem[]): StreamItem[] {
 /**
  * The source message a display row belongs to. Every assistant message is split into
  * Markdown blocks, so an assistant row id never equals its message id; anything that
- * addresses a message — find, scroll-to-message, history reveal — asks for this.
+ * addresses a message — find, scroll-to-message, history reveal — asks for this. A
+ * plugin row a timeline transformer projected answers for the item it replaced, whose
+ * id is what the chat outline and find hold.
  */
 export function getStreamItemMessageId(item: StreamItem): string {
-  return item.kind === "assistant_message" ? (item.blockGroupId ?? item.id) : item.id;
+  if (item.kind === "assistant_message") return item.blockGroupId ?? item.id;
+  if (item.kind === "plugin") return item.sourceId ?? item.id;
+  return item.id;
 }
 
 /**
diff --git a/packages/app/src/plugins/timeline/projection.ts b/packages/app/src/plugins/timeline/projection.ts
index 22f65f05a0..0750bdb66a 100644
--- a/packages/app/src/plugins/timeline/projection.ts
+++ b/packages/app/src/plugins/timeline/projection.ts
@@ -104,6 +104,7 @@ function transformSourceItem(
     const projected: PluginTimelineStreamItem = {
       kind: "plugin",
       id: `${pluginItem.pluginId}/${pluginItem.id}`,
+      sourceId: item.id,
       timestamp: item.timestamp,
       pluginId: pluginItem.pluginId,
       pluginItemId: pluginItem.id,
diff --git a/packages/app/src/types/stream.ts b/packages/app/src/types/stream.ts
index 7b057b0c4c..56cf14558b 100644
--- a/packages/app/src/types/stream.ts
+++ b/packages/app/src/types/stream.ts
@@ -804,6 +804,8 @@ export interface CompactionItem {
 export interface PluginTimelineStreamItem {
   kind: "plugin";
   id: string;
+  /** The id of the stream item a timeline transformer replaced; set only by projection. */
+  sourceId?: string;
   timelineCursor?: TimelinePosition;
   turnId?: string;
   timestamp: Date;