fix(desktop): refresh repo status on session switch with unchanged cwd (#68208)

fix(desktop): refresh repo status on session switch with unchanged cwd

apps/desktop/src/store/coding-status.test.ts

@@ -3,7 +3,7 @@ import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import type { HermesRepoStatus } from '@/global'
 
 import { $repoStatus, $repoStatusLoading, refreshRepoStatus } from './coding-status'
-import { $currentCwd } from './session'
+import { $currentCwd, $selectedStoredSessionId } from './session'
 
 const sampleStatus: HermesRepoStatus = {
   branch: 'feature/login',
@@ -30,6 +30,7 @@ describe('refreshRepoStatus', () => {
     vi.useFakeTimers()
     $repoStatus.set(null)
     $currentCwd.set('')
+    $selectedStoredSessionId.set(null)
     delete (window as unknown as { hermesDesktop?: unknown }).hermesDesktop
   })
 
@@ -117,4 +118,27 @@ describe('refreshRepoStatus', () => {
     expect($repoStatus.get()).toEqual(sampleStatus)
     expect($repoStatusLoading.get()).toBe(false)
   })
+
+  it('refreshes when the stored session id changes even if the cwd is unchanged', async () => {
+    const probe = vi.fn(async () => sampleStatus)
+    stubProbe(probe)
+
+    $currentCwd.set('/repo')
+    $selectedStoredSessionId.set('session-a')
+    // The cwd subscription fires on the set above; drain the debounced refresh.
+    vi.advanceTimersByTime(200)
+    await vi.runAllTicks()
+
+    probe.mockClear()
+
+    // Switch to a different session in the SAME repo dir. The cwd atom value is
+    // identical, so its subscription would not re-fire — but the stored-session
+    // id did change, which must still trigger a probe so the branch label
+    // tracks the new session's checked-out branch.
+    $selectedStoredSessionId.set('session-b')
+    vi.advanceTimersByTime(200)
+    await vi.runAllTicks()
+
+    expect(probe).toHaveBeenCalledWith('/repo')
+  })
 })

apps/desktop/src/store/coding-status.ts

@@ -4,7 +4,7 @@ import type { HermesGitWorktree, HermesRepoStatus } from '@/global'
 import { desktopGit } from '@/lib/desktop-git'
 
 import { $worktreeRefreshToken } from './projects'
-import { $busy, $currentCwd } from './session'
+import { $busy, $currentCwd, $selectedStoredSessionId } from './session'
 import { $workspaceChangeTick } from './workspace-events'
 
 // Live working-tree status for the active session's cwd — the data backbone of
@@ -172,6 +172,13 @@ function scheduleRepoStatusRefresh(cwd?: null | string): void {
 // The active session's cwd changed (session switch / new chat) → re-probe.
 $currentCwd.subscribe(cwd => scheduleRepoStatusRefresh(cwd))
 
+// Switching sessions can land on the same cwd but a different checked-out
+// branch (the agent ran `git checkout` in another session's terminal). The cwd
+// subscription above won't fire when the path is identical, so the branch label
+// would stay stale until a window focus or turn-settle triggers a refresh.
+// Treat the stored-session id as a structural edge in its own right.
+$selectedStoredSessionId.subscribe(() => scheduleRepoStatusRefresh())
+
 // A worktree add/remove (desktop op, or the agent's out-of-band git in a settled
 // turn / a window refocus — both already bump this token) → re-probe.
 $worktreeRefreshToken.subscribe(() => scheduleRepoStatusRefresh())