fix(codex): distinguish pane-local homes

src/main/codex/codex-pane-account-registry.ts

@@ -16,7 +16,12 @@ import type {
  * the old account and the user is stuck there with no prompt to escape it.
  */
 
-export type CodexPaneHomeRoute = 'real-home' | 'shared-home' | 'account-home' | 'wsl-home'
+export type CodexPaneHomeRoute =
+  | 'real-home'
+  | 'shared-home'
+  | 'account-home'
+  | 'custom-home'
+  | 'wsl-home'
 
 export type CodexPaneAccountRecord = {
   /** 'host' or 'wsl:<distro>' — the selection lane this pane launched from. */
@@ -127,6 +132,7 @@ function isPaneHomeRoute(value: unknown): value is CodexPaneHomeRoute {
     value === 'real-home' ||
     value === 'shared-home' ||
     value === 'account-home' ||
+    value === 'custom-home' ||
     value === 'wsl-home'
   )
 }

src/main/codex/codex-pane-launch-account.test.ts

@@ -74,17 +74,17 @@ describe('resolveCodexPaneLaunchAccount', () => {
     })
   })
 
-  it('omits route provenance for a pane-local custom home', () => {
+  it('records a non-comparable route for a pane-local custom home', () => {
     expect(
       resolveCodexPaneLaunchAccount({
         pinnedByResume: false,
         launchCodexHomePath: '/data/codex-runtime-home/home',
-        recordHomeRoute: false,
+        recordComparableHomeRoute: false,
         systemCodexHomePath: SYSTEM_HOME,
         settings: settings({ host: null }),
         target: { runtime: 'host' }
       })
-    ).toEqual({ selectionKey: 'host', accountId: null })
+    ).toEqual({ selectionKey: 'host', accountId: null, homeRoute: 'custom-home' })
   })
 
   it('records the same account a resume pinned to when it is already selected', () => {

src/main/codex/codex-pane-launch-account.ts

@@ -32,7 +32,7 @@ type CodexPaneLaunchAccountSettings = Pick<
 export function resolveCodexPaneLaunchAccount(args: {
   pinnedByResume: boolean
   launchCodexHomePath: string | null
-  recordHomeRoute?: boolean
+  recordComparableHomeRoute?: boolean
   shellStartupHomeOverride?: CodexShellStartupHomeOverride
   environmentHomeOverride?: CodexEnvironmentHomeOverride
   systemCodexHomePath: string
@@ -40,7 +40,8 @@ export function resolveCodexPaneLaunchAccount(args: {
   target: CodexAccountSelectionTarget
 }): CodexPaneAccountRecord | null {
   const selectionKey = getCodexSelectionLaneKey(args.target)
-  const homeRoute = args.recordHomeRoute === false ? undefined : resolveCodexPaneHomeRoute(args)
+  const homeRoute =
+    args.recordComparableHomeRoute === false ? 'custom-home' : resolveCodexPaneHomeRoute(args)
   if (!args.pinnedByResume) {
     return {
       selectionKey,

src/main/codex/codex-stale-pane-accounts.test.ts

@@ -102,6 +102,11 @@ describe('codex pane account registry', () => {
       accountId: null,
       homeRoute: 'wsl-home'
     })
+    recordCodexPaneAccount('pty-custom', {
+      selectionKey: 'host',
+      accountId: null,
+      homeRoute: 'custom-home'
+    })
 
     expect(hasRecordedLegacySharedCodexPane()).toBe(false)
 
@@ -303,6 +308,22 @@ describe('listStaleCodexPanes', () => {
     ).toEqual([])
   })
 
+  it('does not compare a pane-local custom home with the selected host route', () => {
+    recordCodexPaneAccount('pty-1', {
+      selectionKey: 'host',
+      accountId: null,
+      homeRoute: 'custom-home'
+    })
+
+    expect(
+      listStaleCodexPanes({
+        ptyIds: ['pty-1'],
+        settings: settingsWithSelection(null),
+        activeHostHomeRoute: 'real-home'
+      })
+    ).toEqual([])
+  })
+
   it('does not report a custom-home spelling change that keeps the shared route', () => {
     recordCodexPaneAccount('pty-1', {
       selectionKey: 'host',

src/main/codex/codex-stale-pane-accounts.ts

@@ -35,6 +35,7 @@ export function listStaleCodexPanes(args: {
     const homeRouteChanged =
       record.selectionKey === 'host' &&
       record.homeRoute !== undefined &&
+      record.homeRoute !== 'custom-home' &&
       args.activeHostHomeRoute !== undefined &&
       record.homeRoute !== args.activeHostHomeRoute
     const accountChanged = record.accountId !== activeAccountId

src/main/ipc/pty.test.ts

@@ -15059,7 +15059,8 @@ describe('registerPtyHandlers', () => {
 
       expect(recordCodexPaneAccountMock).toHaveBeenCalledWith('pty-custom-home', {
         selectionKey: 'host',
-        accountId: null
+        accountId: null,
+        homeRoute: 'custom-home'
       })
     }
   )
@@ -15131,7 +15132,8 @@ describe('registerPtyHandlers', () => {
 
     expect(recordCodexPaneAccountMock).toHaveBeenCalledWith('pty-pane-env-home', {
       selectionKey: 'host',
-      accountId: null
+      accountId: null,
+      homeRoute: 'custom-home'
     })
   })
 

src/main/ipc/pty.ts

@@ -1033,7 +1033,7 @@ function recordCodexPaneAccountForSpawn(args: {
         launchCodexHomePath: args.launchCodexHomePath,
         // Why: pane-local overrides cannot be re-derived when a restart builds
         // a fresh launch env, so route prompts would guess and block valid input.
-        recordHomeRoute:
+        recordComparableHomeRoute:
           args.pinnedByResume ||
           ((customHomeOverride?.source !== 'environment' ||
             recheckableEnvironmentOverride !== undefined) &&