feat: improve git actions UI and mode tracking after plan approval

packages/app/src/components/git-diff-pane.tsx

@@ -876,6 +876,8 @@ export function GitDiffPane({ serverId, agentId, cwd }: GitDiffPaneProps) {
   const hasPullRequest = Boolean(prStatus?.url);
   const hasRemote = gitStatus?.hasRemote ?? false;
   const isPaseoOwnedWorktree = gitStatus?.isPaseoOwnedWorktree ?? false;
+  const currentBranch = gitStatus?.currentBranch;
+  const isOnBaseBranch = currentBranch === baseRefLabel;
 
   // ==========================================================================
   // Git Actions (Data-Oriented)
@@ -950,7 +952,7 @@ export function GitDiffPane({ serverId, agentId, cwd }: GitDiffPaneProps) {
     if (aheadCount > 0) {
       allActions.set("merge-branch", {
         id: "merge-branch",
-        label: "Merge branch",
+        label: `Merge into ${baseRefLabel}`,
         pendingLabel: "Merging...",
         successLabel: "Merged",
         disabled: mergeDisabled,
@@ -960,17 +962,19 @@ export function GitDiffPane({ serverId, agentId, cwd }: GitDiffPaneProps) {
       });
     }
 
-    // Merge from base - always available
-    allActions.set("merge-from-base", {
-      id: "merge-from-base",
-      label: `Merge from ${baseRefLabel}`,
-      pendingLabel: "Merging...",
-      successLabel: "Merged",
-      disabled: mergeFromBaseDisabled,
-      status: mergeFromBaseAction.status,
-      description: hasUncommittedChanges ? "Requires clean working tree" : undefined,
-      handler: mergeFromBaseAction.trigger,
-    });
+    // Update from base - only when not on base branch
+    if (!isOnBaseBranch) {
+      allActions.set("merge-from-base", {
+        id: "merge-from-base",
+        label: `Update from ${baseRefLabel}`,
+        pendingLabel: "Updating...",
+        successLabel: "Updated",
+        disabled: mergeFromBaseDisabled,
+        status: mergeFromBaseAction.status,
+        description: hasUncommittedChanges ? "Requires clean working tree" : undefined,
+        handler: mergeFromBaseAction.trigger,
+      });
+    }
 
     // Archive worktree - only for Paseo worktrees
     if (isPaseoOwnedWorktree) {
@@ -1033,7 +1037,7 @@ export function GitDiffPane({ serverId, agentId, cwd }: GitDiffPaneProps) {
 
     return { primary, secondary, menu };
   }, [
-    isGit, hasRemote, hasPullRequest, prStatus?.url, aheadCount, isPaseoOwnedWorktree,
+    isGit, hasRemote, hasPullRequest, prStatus?.url, aheadCount, isPaseoOwnedWorktree, isOnBaseBranch,
     hasUncommittedChanges, aheadOfOrigin, shipDefault, baseRefLabel,
     commitDisabled, pushDisabled, prDisabled, mergeDisabled, mergeFromBaseDisabled, archiveDisabled,
     commitAction, pushAction, prCreateAction, mergeAction, mergeFromBaseAction, archiveAction,
@@ -1089,7 +1093,7 @@ export function GitDiffPane({ serverId, agentId, cwd }: GitDiffPaneProps) {
                     >
                       <ChevronDown size={16} color={theme.colors.foregroundMuted} />
                     </DropdownMenuTrigger>
-                    <DropdownMenuContent align="end" width={260} testID="changes-primary-cta-menu">
+                    <DropdownMenuContent align="end" testID="changes-primary-cta-menu">
                       {gitActions.secondary.map((action, index) => {
                         const needsSeparator = action.id === "merge-from-base" || action.id === "push";
                         return (
@@ -1149,7 +1153,7 @@ export function GitDiffPane({ serverId, agentId, cwd }: GitDiffPaneProps) {
         ) : null}
       </View>
 
-      {isGit && hasChanges ? (
+      {isGit && (hasUncommittedChanges || aheadCount > 0) ? (
         <View style={styles.diffStatusContainer}>
           <Pressable
             style={({ hovered }) => [

packages/server/src/server/agent/agent-manager.test.ts

@@ -28,6 +28,10 @@ class TestAgentClient implements AgentClient {
   readonly provider = "codex" as const;
   readonly capabilities = TEST_CAPABILITIES;
 
+  async isAvailable(): Promise<boolean> {
+    return true;
+  }
+
   async createSession(config: AgentSessionConfig): Promise<AgentSession> {
     return new TestAgentSession(config);
   }
@@ -368,4 +372,126 @@ describe("AgentManager", () => {
     // Should NOT have triggered attention callback for internal agent
     expect(attentionCalls).toHaveLength(0);
   });
+
+  test("respondToPermission updates currentModeId after plan approval", async () => {
+    const workdir = mkdtempSync(join(tmpdir(), "agent-manager-test-"));
+    const storagePath = join(workdir, "agents");
+    const storage = new AgentStorage(storagePath, logger);
+
+    // Create a session that simulates plan approval mode change
+    let sessionMode = "plan";
+    class PlanModeTestSession implements AgentSession {
+      readonly provider = "codex" as const;
+      readonly capabilities = TEST_CAPABILITIES;
+      readonly id = randomUUID();
+
+      async run(): Promise<AgentRunResult> {
+        return { sessionId: this.id, finalText: "", timeline: [] };
+      }
+
+      async *stream(): AsyncGenerator<AgentStreamEvent> {
+        yield { type: "turn_started", provider: this.provider };
+        yield { type: "turn_completed", provider: this.provider };
+      }
+
+      async *streamHistory(): AsyncGenerator<AgentStreamEvent> {}
+
+      async getRuntimeInfo() {
+        return { provider: this.provider, sessionId: this.id, model: null, modeId: sessionMode };
+      }
+
+      async getAvailableModes() {
+        return [
+          { id: "plan", label: "Plan" },
+          { id: "acceptEdits", label: "Accept Edits" },
+        ];
+      }
+
+      async getCurrentMode() {
+        return sessionMode;
+      }
+
+      async setMode(modeId: string): Promise<void> {
+        sessionMode = modeId;
+      }
+
+      getPendingPermissions() {
+        return [];
+      }
+
+      async respondToPermission(
+        _requestId: string,
+        response: { behavior: string }
+      ): Promise<void> {
+        // Simulate what claude-agent.ts does: when plan permission is approved,
+        // it calls setMode("acceptEdits") internally
+        if (response.behavior === "allow") {
+          sessionMode = "acceptEdits";
+        }
+      }
+
+      describePersistence() {
+        return { provider: this.provider, sessionId: this.id };
+      }
+
+      async interrupt(): Promise<void> {}
+      async close(): Promise<void> {}
+    }
+
+    class PlanModeTestClient implements AgentClient {
+      readonly provider = "codex" as const;
+      readonly capabilities = TEST_CAPABILITIES;
+
+      async isAvailable(): Promise<boolean> {
+        return true;
+      }
+
+      async createSession(): Promise<AgentSession> {
+        return new PlanModeTestSession();
+      }
+
+      async resumeSession(): Promise<AgentSession> {
+        return new PlanModeTestSession();
+      }
+    }
+
+    const manager = new AgentManager({
+      clients: {
+        codex: new PlanModeTestClient(),
+      },
+      registry: storage,
+      logger,
+      idFactory: () => "plan-mode-agent",
+    });
+
+    // Create agent in plan mode
+    const snapshot = await manager.createAgent({
+      provider: "codex",
+      cwd: workdir,
+      modeId: "plan",
+    });
+
+    expect(snapshot.currentModeId).toBe("plan");
+
+    // Simulate a pending plan permission request
+    const agent = manager.getAgent(snapshot.id)!;
+    const permissionRequest = {
+      id: "perm-123",
+      provider: "codex" as const,
+      name: "ExitPlanMode",
+      kind: "plan" as const,
+      input: { plan: "Test plan" },
+    };
+    agent.pendingPermissions.set(permissionRequest.id, permissionRequest);
+
+    // Approve the plan permission
+    await manager.respondToPermission(snapshot.id, "perm-123", {
+      behavior: "allow",
+    });
+
+    // The session's mode has changed to "acceptEdits" internally
+    // The manager should have updated currentModeId to reflect this
+    const updatedAgent = manager.getAgent(snapshot.id);
+    expect(updatedAgent?.currentModeId).toBe("acceptEdits");
+  });
 });

packages/server/src/server/agent/agent-manager.ts

@@ -700,6 +700,15 @@ export class AgentManager {
     const agent = this.requireAgent(agentId);
     await agent.session.respondToPermission(requestId, response);
     agent.pendingPermissions.delete(requestId);
+
+    // Update currentModeId - the session may have changed mode internally
+    // (e.g., plan approval changes mode from "plan" to "acceptEdits")
+    try {
+      agent.currentModeId = await agent.session.getCurrentMode();
+    } catch {
+      // Ignore errors from getCurrentMode - mode tracking is best effort
+    }
+
     this.emitState(agent);
   }