fix(cli): close shared config review gaps

packages/ui/tui/README.i18n.yaml

@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/ui/tui/README.md
-README.md: 88c4501d87b7f24de1f5cc0d67f4c0e03ec49aa4
-README.zh.md: f03120e5a7820e2bcb572ab31b535211cf859c82
+README.md: d3ea5b41e8398c92853c6f96160129d7b1c475ed
+README.zh.md: 9ee509abe2cf5bf6360b7c91d318b2b69745d224

packages/ui/tui/README.md

@@ -75,7 +75,7 @@ A launcher can seed a fresh session's first turn by providing `INITIAL_SKILL_KEY
     fileSearchExcludedDirectories: ['.git', 'node_modules', 'dist']
 ```
 
-Startup fails before mounting when either process stream is not a TTY. The composing app must mount the TUI before its config-created agent so the front door can observe `agent-loop/config-start-failed`; a matching exact-session failure is written before fullscreen mode starts and exits with status 1 instead of leaving a blank terminal. Disposal stops extension admission, unloads the `ctx.tui` provider and its dependent plugins, aborts running commands, removes the TUI definitions, stops loaders, rejects pending questions, drains terminal input, restores terminal state, unregisters event listeners and the user-interaction provider, and never exits a replacement process during HMR.
+Startup fails before mounting when either process stream is not a TTY. The composing app must mount the TUI before its config-created agent so the front door can observe `agent-loop/config-start-failed`; a matching exact-session failure is written before fullscreen mode starts and exits with status 1 instead of leaving a blank terminal. Disposal stops extension admission, unloads the `ctx.tui` provider and its dependent plugins, aborts running commands, removes the TUI definitions, stops loaders, rejects pending questions, drains terminal input, restores terminal state, unregisters event listeners and the user-interaction provider, and never exits a replacement process during HMR. A user exit disposes the application root so sibling resources close, then exits; a five-second fallback prevents one stuck disposer from trapping the process.
 
 ## Color
 

packages/ui/tui/README.zh.md

@@ -75,7 +75,7 @@ Footer 将会话报告的用量汇总为 `↑<uncached input> ↓<output>`；任
     fileSearchExcludedDirectories: ['.git', 'node_modules', 'dist']
 ```
 
-任一进程流不是 TTY 时，启动会在挂载前失败。组合 app 必须先挂载 TUI，再挂载由配置创建的 agent，使入口能够观察 `agent-loop/config-start-failed`；完全匹配会话的失败会在全屏模式启动前写出并以状态 1 退出，而不是留下空白终端。dispose（资源释放）会停止接收扩展请求，卸载 `ctx.tui` 提供方及其依赖插件，中止运行中的命令，移除 TUI 定义，停止 loader，拒绝待处理问题，排空终端输入，恢复终端状态，注销事件 listener 和用户交互提供方，并且绝不会在 HMR 期间退出替换进程。
+任一进程流不是 TTY 时，启动会在挂载前失败。组合 app 必须先挂载 TUI，再挂载由配置创建的 agent，使入口能够观察 `agent-loop/config-start-failed`；完全匹配会话的失败会在全屏模式启动前写出并以状态 1 退出，而不是留下空白终端。dispose（资源释放）会停止接收扩展请求，卸载 `ctx.tui` 提供方及其依赖插件，中止运行中的命令，移除 TUI 定义，停止 loader，拒绝待处理问题，排空终端输入，恢复终端状态，注销事件 listener 和用户交互提供方，并且绝不会在 HMR 期间退出替换进程。用户退出会先 dispose 应用根上下文以关闭同级资源，再退出进程；五秒兜底可避免某个卡住的 disposer 困住进程。
 
 ## 颜色
 

packages/ui/tui/src/index.ts

@@ -841,11 +841,9 @@ export function createTuiChat(
     palette,
     overlayManager,
     // Optional and independently mounted: read at each use so config row order
-    // cannot decide whether /resume works.
-    // The TUI and query provider are sibling Loader fibers. During a command
-    // callback Cordis may transiently mark the provider non-ACTIVE even though
-    // its init completed and its disposal is ordered after this consumer.
-    sessionQuery: () => ctx.get('sessionQuery', false),
+    // cannot decide whether /resume works. Strict lookup excludes a closing or
+    // closed provider rather than dispatching into a stale SQLite handle.
+    sessionQuery: () => ctx.get('sessionQuery'),
     ui,
     editor,
     appendNotice,
@@ -1654,9 +1652,35 @@ export function mountTui(ctx: Context, config: Config, runtime: TuiRuntime): voi
   if (existing !== undefined) start(existing)
 }
 
+const ROOT_DISPOSE_TIMEOUT_MS = 5_000
+
+/**
+ * Dispose the whole application before process exit, with a bounded fallback.
+ * @param ctx - The TUI plugin context whose root owns sibling resources.
+ * @param code - Process status to report.
+ * @param exit - Exit boundary, replaceable by tests.
+ */
+export function disposeRootAndExit(
+  ctx: Context,
+  code: number,
+  exit: (status: number) => void = (status) => { process.exit(status) },
+): void {
+  let exited = false
+  const exitOnce = (): void => {
+    if (exited) return
+    exited = true
+    exit(code)
+  }
+  const timeout = setTimeout(exitOnce, ROOT_DISPOSE_TIMEOUT_MS)
+  void ctx.root.fiber.dispose().then(
+    () => { clearTimeout(timeout); exitOnce() },
+    () => { clearTimeout(timeout); exitOnce() },
+  )
+}
+
 /** Cordis entry point using the process terminal; explicit TUI composition requires a TTY pair. */
 /* v8 ignore start -- production process wiring; fake-terminal tests cover mountTui/createTuiChat,
-   and the tui-agent PTY smoke covers the real entry */
+   and apps/cli PTY smokes cover the real entry */
 export function apply(ctx: Context, config: Config): void {
   if (!process.stdin.isTTY || !process.stdout.isTTY) {
     throw new Error('ui-tui: both stdin and stdout must be TTYs; use the one-shot @deepseek-ai/dsh-cli-demo app for pipes')
@@ -1676,9 +1700,7 @@ export function apply(ctx: Context, config: Config): void {
     initialSkill === undefined ? {} : { initialSkill },
   ), {
     terminal: new ProcessTerminal(),
-    exit: (code) => {
-      void ctx.fiber.dispose().finally(() => { process.exit(code) })
-    },
+    exit: (code) => { disposeRootAndExit(ctx, code) },
     ...resumeHost === undefined ? {} : { handoffResume: (sessionId, cwd) => resumeHost.handoff(sessionId, cwd) },
     ...goodbyeMessage === undefined ? {} : { goodbyeMessage },
   })

packages/ui/tui/tests/tui.spec.ts

@@ -29,6 +29,7 @@ import SessionReferenceService, { formatSessionReferenceMention } from '@deepsee
 import type {} from '@deepseek-ai/dsh-llm-retry'
 import {
   createTuiChat,
+  disposeRootAndExit,
   FILE_REFERENCE_PROMPT,
   mountTui,
   renderSkillInvocation,
@@ -502,6 +503,30 @@ describe('goodbye message and /resume', () => {
     await dispose(result)
   })
 
+  it('treats a closed session-query provider as unavailable', async () => {
+    let queryCtx: Context | undefined
+    const result = await setup({
+      cwd: '/workspace',
+      async configureContext(ctx) {
+        await ctx.plugin({
+          apply(child: Context) {
+            queryCtx = child
+            child.provide('sessionQuery', {
+              listSessions: () => Promise.reject(new Error('closed database must not be called')),
+            } as never)
+          },
+        })
+      },
+    })
+    await queryCtx!.fiber.dispose()
+    result.terminal.send('/resume')
+    result.terminal.send('\r')
+    await tick()
+    expect(result.terminal.output).toContain('session query is not mounted')
+    expect(result.terminal.output).not.toContain('closed database')
+    await dispose(result)
+  })
+
   it('keeps persisted query records readable without a persistence service', async () => {
     const target = header('query-only-persisted', 10, '/workspace')
     const result = await setup({
@@ -4962,6 +4987,59 @@ describe('TUI extension service', () => {
   })
 })
 
+describe('application exit', () => {
+  it('disposes the root fiber rather than only the TUI child before exiting', async () => {
+    const rootDispose = vi.fn(() => Promise.resolve())
+    const childDispose = vi.fn(() => Promise.resolve())
+    const ctx = {
+      root: { fiber: { dispose: rootDispose } },
+      fiber: { dispose: childDispose },
+    } as unknown as Context
+    const exit = vi.fn()
+    disposeRootAndExit(ctx, 7, exit)
+    await Promise.resolve()
+    expect(rootDispose).toHaveBeenCalledOnce()
+    expect(childDispose).not.toHaveBeenCalled()
+    expect(exit).toHaveBeenCalledOnce()
+    expect(exit).toHaveBeenCalledWith(7)
+  })
+
+  it('forces exit when root disposal does not settle', async () => {
+    vi.useFakeTimers()
+    try {
+      let settle!: () => void
+      const disposal = new Promise<void>((resolve) => { settle = resolve })
+      const ctx = {
+        root: { fiber: { dispose: () => disposal } },
+      } as unknown as Context
+      const exit = vi.fn()
+      disposeRootAndExit(ctx, 9, exit)
+      await vi.advanceTimersByTimeAsync(4_999)
+      expect(exit).not.toHaveBeenCalled()
+      await vi.advanceTimersByTimeAsync(1)
+      expect(exit).toHaveBeenCalledOnce()
+      expect(exit).toHaveBeenCalledWith(9)
+      settle()
+      await disposal
+      await Promise.resolve()
+      expect(exit).toHaveBeenCalledOnce()
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
+  it('exits after a rejected root disposal without an unhandled rejection', async () => {
+    const ctx = {
+      root: { fiber: { dispose: () => Promise.reject(new Error('cleanup failed')) } },
+    } as unknown as Context
+    const exit = vi.fn()
+    disposeRootAndExit(ctx, 5, exit)
+    await Promise.resolve()
+    await Promise.resolve()
+    expect(exit).toHaveBeenCalledWith(5)
+  })
+})
+
 describe('terminal mounting', () => {
   it('starts immediately when the configured agent already exists', async () => {
     const ctx = new Context()