fix(test): align zombie pane tmux mocks

src/features/tmux-subagent/zombie-pane.test.ts

@@ -1,3 +1,4 @@
+/// <reference path="../../../bun-test.d.ts" />
 import { beforeEach, describe, expect, mock, test, afterAll } from "bun:test"
 import type { TmuxConfig } from "../../config/schema"
 import type { ActionResult, ExecuteContext, ExecuteActionsResult } from "./action-executor"
@@ -25,6 +26,9 @@ const mockExecuteActions = mock<(
   results: [],
 }))
 
+const mockSpawnTmuxWindow = mock(async () => ({ success: true, paneId: "%window" }))
+const mockSpawnTmuxSession = mock(async () => ({ success: true, paneId: "%session" }))
+
 const mockIsInsideTmux = mock<() => boolean>(() => true)
 const mockGetCurrentPaneId = mock<() => string | undefined>(() => "%0")
 
@@ -44,6 +48,8 @@ mock.module("../../shared/tmux", () => ({
   SESSION_READY_POLL_INTERVAL_MS: 10,
   SESSION_READY_TIMEOUT_MS: 50,
   SESSION_MISSING_GRACE_MS: 1_000,
+  spawnTmuxWindow: mockSpawnTmuxWindow,
+  spawnTmuxSession: mockSpawnTmuxSession,
 }))
 
 afterAll(() => { mock.restore() })
@@ -56,6 +62,7 @@ const mockTmuxDeps: TmuxUtilDeps = {
 function createConfig(): TmuxConfig {
   return {
     enabled: true,
+    isolation: "inline",
     layout: "main-vertical",
     main_pane_size: 60,
     main_pane_min_width: 80,
@@ -156,6 +163,8 @@ describe("TmuxSessionManager zombie pane handling", () => {
     mockQueryWindowState.mockClear()
     mockExecuteAction.mockClear()
     mockExecuteActions.mockClear()
+    mockSpawnTmuxWindow.mockClear()
+    mockSpawnTmuxSession.mockClear()
     mockIsInsideTmux.mockClear()
     mockGetCurrentPaneId.mockClear()
 
@@ -171,6 +180,8 @@ describe("TmuxSessionManager zombie pane handling", () => {
       spawnedPaneId: "%1",
       results: [],
     }))
+    mockSpawnTmuxWindow.mockImplementation(async () => ({ success: true, paneId: "%window" }))
+    mockSpawnTmuxSession.mockImplementation(async () => ({ success: true, paneId: "%session" }))
     mockIsInsideTmux.mockReturnValue(true)
     mockGetCurrentPaneId.mockReturnValue("%0")
   })
@@ -259,9 +270,15 @@ describe("TmuxSessionManager zombie pane handling", () => {
       "ses_pending",
       createTrackedSession({ closePending: true, closeRetryCount: 0 }),
     )
-    mockExecuteAction.mockImplementationOnce(async () => {
-      sessions.delete("ses_pending")
-      return { success: false }
+    let shouldFailClose = true
+    mockExecuteAction.mockImplementation(async () => {
+      if (shouldFailClose) {
+        shouldFailClose = false
+        sessions.delete("ses_pending")
+        return { success: false }
+      }
+
+      return { success: true }
     })
 
     // when