diff --git a/adapters/common/__tests__/chat-runtime.test.ts b/adapters/common/__tests__/chat-runtime.test.ts
index f80e95ec..9c38bf84 100644
--- a/adapters/common/__tests__/chat-runtime.test.ts
+++ b/adapters/common/__tests__/chat-runtime.test.ts
@@ -266,6 +266,69 @@ describe('ImChatRuntime authorization', () => {
 })
 
 describe('ImChatRuntime session lifecycle', () => {
+  it.each(['/status', '/stop', '/clear'])('reports a retryable disconnect for %s without changing the binding', async (command) => {
+    const { runtime, bridge, httpClient, sessionStore, notices } = createRuntime()
+    sessionStore.set(CHAT_ID, 'old-session', path.join(tmpDir, 'original-project'))
+    httpClient.existingSessions.add('old-session')
+    const original = sessionStore.get(CHAT_ID)
+    bridge.waitForOpen = async () => false
+
+    await inbound(runtime, command)
+
+    expect(sessionStore.get(CHAT_ID)).toEqual(original)
+    expect(httpClient.createdSessions).toEqual([])
+    expect(bridge.sent).toEqual([])
+    expect(bridge.stopped).toEqual([])
+    expect(notices).toHaveLength(1)
+    expect(notices[0]).toContain('重试')
+    expect(notices[0]).not.toContain('当前没有活动会话')
+  })
+
+  it.each(['timeout', 'error'])('preserves the stored session and project after a reconnect %s, then retries it', async (failure) => {
+    const { runtime, bridge, httpClient, sessionStore, notices } = createRuntime()
+    const workDir = path.join(tmpDir, 'original-project')
+    sessionStore.set(CHAT_ID, 'old-session', workDir)
+    httpClient.existingSessions.add('old-session')
+    const original = sessionStore.get(CHAT_ID)
+    let attempts = 0
+    bridge.isSessionOpen = () => false
+    bridge.waitForOpen = async () => {
+      attempts += 1
+      if (attempts === 1) {
+        if (failure === 'error') throw new Error('connection failed')
+        return false
+      }
+      return true
+    }
+
+    await inbound(runtime, 'continue')
+
+    expect(sessionStore.get(CHAT_ID)).toEqual(original)
+    expect(new SessionStore(path.join(tmpDir, 'adapter-sessions.json')).get(CHAT_ID)).toEqual(original)
+    expect(httpClient.createdSessions).toEqual([])
+    expect(bridge.sent).toEqual([])
+    expect(notices.join('\n')).toContain('重试')
+
+    await inbound(runtime, 'continue')
+
+    expect(attempts).toBe(2)
+    expect(bridge.getSessionId(CHAT_ID)).toBe('old-session')
+    expect(sessionStore.get(CHAT_ID)).toEqual(original)
+    expect(httpClient.createdSessions).toEqual([])
+    expect(bridge.sent.map((item) => item.content)).toEqual(['continue'])
+  })
+
+  it('creates a replacement only when the stored session is confirmed missing', async () => {
+    const { runtime, bridge, httpClient, sessionStore } = createRuntime()
+    sessionStore.set(CHAT_ID, 'deleted-session', path.join(tmpDir, 'original-project'))
+
+    await inbound(runtime, 'continue')
+
+    expect(httpClient.createdSessions).toEqual([tmpDir])
+    expect(sessionStore.get(CHAT_ID)?.sessionId).not.toBe('deleted-session')
+    expect(bridge.sent.map((item) => item.content)).toEqual(['continue'])
+  })
+
   it('creates a session on the first message and reuses it for the second', async () => {
     const { runtime, httpClient, bridge } = createRuntime()
 
diff --git a/adapters/common/__tests__/session-recovery.test.ts b/adapters/common/__tests__/session-recovery.test.ts
index d3d0d956..f42d2863 100644
--- a/adapters/common/__tests__/session-recovery.test.ts
+++ b/adapters/common/__tests__/session-recovery.test.ts
@@ -49,6 +49,59 @@ function makeBridge(options?: { currentSessionId?: string | null; open?: boolean
 }
 
 describe('restoreStoredSessionBinding', () => {
+  it.each(['timeout', 'connect error', 'wait error'])('preserves the binding and transient state after a %s', async (failure) => {
+    const entry = { sessionId: 'stored-session', workDir: '/original-project', updatedAt: 1 }
+    const store = makeStore(entry)
+    const bridge = makeBridge()
+    const connect = bridge.connectSession
+    const wait = bridge.waitForOpen
+    if (failure === 'connect error') bridge.connectSession = () => { throw new Error('connect failed') }
+    else bridge.waitForOpen = async () => {
+      if (failure === 'wait error') throw new Error('wait failed')
+      return false
+    }
+    let cleared = 0
+    const options = {
+      chatId: 'chat-1',
+      bridge,
+      sessionStore: store,
+      httpClient: { sessionExists: async () => true },
+      onServerMessage: () => {},
+      logPrefix: '[Test]',
+      clearTransientState: () => { cleared += 1 },
+    }
+
+    expect(await restoreStoredSessionBinding(options)).toEqual({ status: 'unavailable', session: entry })
+    expect(store.current()).toEqual(entry)
+    expect(cleared).toBe(0)
+    expect(bridge.calls).not.toContain('reset')
+
+    bridge.connectSession = connect
+    bridge.waitForOpen = wait
+    expect(await restoreStoredSessionBinding(options)).toEqual({ status: 'restored', session: entry })
+    expect(store.current()).toEqual(entry)
+  })
+
+  it.each([false, true])('keeps the binding when verification fails and reconnect returns %s', async (opened) => {
+    const entry = { sessionId: 'stored-session', workDir: '/original-project', updatedAt: 1 }
+    const store = makeStore(entry)
+    const bridge = makeBridge()
+    bridge.waitForOpen = async () => opened
+
+    const result = await restoreStoredSessionBinding({
+      chatId: 'chat-1',
+      bridge,
+      sessionStore: store,
+      httpClient: { sessionExists: async () => { throw new Error('HTTP timeout') } },
+      onServerMessage: () => {},
+      logPrefix: '[Test]',
+    })
+
+    expect(result).toEqual({ status: opened ? 'restored' : 'unavailable', session: entry })
+    expect(store.current()).toEqual(entry)
+    expect(bridge.calls).toEqual(['connect:stored-session', 'handler'])
+  })
+
   it('resets stale bridge memory when server-side delete removed the stored mapping', async () => {
     const store = makeStore(null)
     const bridge = makeBridge({ currentSessionId: 'deleted-session', hasSession: true })
@@ -66,7 +119,7 @@ describe('restoreStoredSessionBinding', () => {
       },
     })
 
-    expect(restored).toBeNull()
+    expect(restored).toEqual({ status: 'missing' })
     expect(bridge.calls).toEqual(['reset'])
     expect(cleared).toBe(1)
   })
@@ -89,7 +142,7 @@ describe('restoreStoredSessionBinding', () => {
       },
     })
 
-    expect(restored).toBeNull()
+    expect(restored).toEqual({ status: 'missing' })
     expect(store.current()).toBeNull()
     expect(bridge.calls).toEqual([])
     expect(cleared).toBe(1)
@@ -113,7 +166,7 @@ describe('restoreStoredSessionBinding', () => {
       },
     })
 
-    expect(restored).toEqual(entry)
+    expect(restored).toEqual({ status: 'restored', session: entry })
     expect(bridge.calls).toEqual(['reset', 'connect:stored-session', 'handler', 'wait'])
     expect(cleared).toBe(1)
   })
@@ -138,7 +191,7 @@ describe('restoreStoredSessionBinding', () => {
       logPrefix: '[Test]',
     })
 
-    expect(restored).toEqual(entry)
+    expect(restored).toEqual({ status: 'restored', session: entry })
     expect(checked).toBe(0)
     expect(bridge.calls).toEqual([])
   })
@@ -157,7 +210,7 @@ describe('restoreStoredSessionBinding', () => {
       logPrefix: '[Test]',
     })
 
-    expect(restored).toEqual(entry)
+    expect(restored).toEqual({ status: 'restored', session: entry })
     expect(bridge.calls).toEqual(['connect:stored-session', 'handler', 'wait'])
   })
 })
diff --git a/adapters/common/chat-runtime.ts b/adapters/common/chat-runtime.ts
index 3db366d6..56d22ffd 100644
--- a/adapters/common/chat-runtime.ts
+++ b/adapters/common/chat-runtime.ts
@@ -34,7 +34,7 @@ import {
   parsePermissionCommand,
   type PermissionDecision,
 } from './permission.js'
-import { restoreStoredSessionBinding } from './session-recovery.js'
+import { restoreStoredSessionBinding, SESSION_RECONNECT_NOTICE, type SessionRestoreResult } from './session-recovery.js'
 import { SessionSelectionController } from './session-selection.js'
 import { syncImPermissionState } from './permission-sync.js'
 import type { SessionStore } from './session-store.js'
@@ -300,9 +300,9 @@ export class ImChatRuntime {
       return true
     }
     if (STOP_ALIASES.has(text)) {
-      const stored = await this.ensureExistingSession(chatId)
-      if (!stored) {
-        await this.port.sendNotice(chatId, formatImStatus(null))
+      const result = await this.ensureExistingSession(chatId)
+      if (result.status !== 'restored') {
+        await this.port.sendNotice(chatId, result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
         return true
       }
       this.bridge.sendStopGeneration(chatId)
@@ -310,9 +310,9 @@ export class ImChatRuntime {
       return true
     }
     if (CLEAR_ALIASES.has(text)) {
-      const stored = await this.ensureExistingSession(chatId)
-      if (!stored) {
-        await this.port.sendNotice(chatId, formatImStatus(null))
+      const result = await this.ensureExistingSession(chatId)
+      if (result.status !== 'restored') {
+        await this.port.sendNotice(chatId, result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
         return true
       }
       this.clearTransientChatState(chatId)
@@ -502,7 +502,7 @@ export class ImChatRuntime {
 
   // ---------- sessions ----------
 
-  async ensureExistingSession(chatId: string): Promise<{ sessionId: string; workDir: string } | null> {
+  async ensureExistingSession(chatId: string): Promise<SessionRestoreResult> {
     return await restoreStoredSessionBinding({
       chatId,
       bridge: this.bridge,
@@ -515,8 +515,12 @@ export class ImChatRuntime {
   }
 
   private async ensureSession(chatId: string): Promise<boolean> {
-    const stored = await this.ensureExistingSession(chatId)
-    if (stored) return true
+    const result = await this.ensureExistingSession(chatId)
+    if (result.status === 'restored') return true
+    if (result.status === 'unavailable') {
+      await this.port.sendNotice(chatId, SESSION_RECONNECT_NOTICE)
+      return false
+    }
 
     if (this.defaultWorkDir) {
       return await this.createSessionForChat(chatId, this.defaultWorkDir)
@@ -621,8 +625,10 @@ export class ImChatRuntime {
   }
 
   async buildStatusText(chatId: string): Promise<string> {
-    const stored = await this.ensureExistingSession(chatId)
-    if (!stored) return formatImStatus(null)
+    const result = await this.ensureExistingSession(chatId)
+    if (result.status === 'unavailable') return SESSION_RECONNECT_NOTICE
+    if (result.status === 'missing') return formatImStatus(null)
+    const stored = result.session
 
     const runtime = this.getRuntimeState(chatId)
     let projectName = path.basename(stored.workDir) || stored.workDir
diff --git a/adapters/common/session-recovery.ts b/adapters/common/session-recovery.ts
index fa44f6d2..48bb1dc3 100644
--- a/adapters/common/session-recovery.ts
+++ b/adapters/common/session-recovery.ts
@@ -2,6 +2,13 @@ import type { AdapterHttpClient } from './http-client.js'
 import type { SessionEntry, SessionStore } from './session-store.js'
 import type { ServerMessage, WsBridge } from './ws-bridge.js'
 
+export type SessionRestoreResult =
+  | { status: 'restored'; session: SessionEntry }
+  | { status: 'missing' }
+  | { status: 'unavailable'; session: SessionEntry }
+
+export const SESSION_RECONNECT_NOTICE = '暂时无法连接原会话，已保留会话和工作目录，请稍后重试。'
+
 type BridgeSessionOps = Pick<
   WsBridge,
   | 'connectSession'
@@ -41,11 +48,11 @@ export async function restoreStoredSessionBinding({
   onServerMessage,
   logPrefix,
   clearTransientState,
-}: RestoreStoredSessionBindingOptions): Promise<SessionEntry | null> {
+}: RestoreStoredSessionBindingOptions): Promise<SessionRestoreResult> {
   const stored = sessionStore.get(chatId)
   if (!stored) {
     resetStaleBridge(chatId, bridge, clearTransientState)
-    return null
+    return { status: 'missing' }
   }
 
   const currentSessionId = bridge.getSessionId(chatId)
@@ -54,7 +61,7 @@ export async function restoreStoredSessionBinding({
   }
 
   if (bridge.isSessionOpen(chatId, stored.sessionId)) {
-    return stored
+    return { status: 'restored', session: stored }
   }
 
   let exists = true
@@ -73,11 +80,23 @@ export async function restoreStoredSessionBinding({
     const hadBridgeSession = bridge.hasSession(chatId)
     resetStaleBridge(chatId, bridge, clearTransientState)
     if (!hadBridgeSession) clearTransientState?.()
-    return null
+    return { status: 'missing' }
   }
 
-  bridge.connectSession(chatId, stored.sessionId)
-  bridge.onServerMessage(chatId, onServerMessage)
-  const opened = await bridge.waitForOpen(chatId)
-  return opened ? stored : null
+  // A transport failure is not evidence that the session was deleted. Keep
+  // its binding so the next inbound message can retry the same session.
+  try {
+    bridge.connectSession(chatId, stored.sessionId)
+    bridge.onServerMessage(chatId, onServerMessage)
+    if (await bridge.waitForOpen(chatId)) {
+      return { status: 'restored', session: stored }
+    }
+  } catch (err) {
+    console.warn(
+      `${logPrefix} Failed to reconnect stored session ${stored.sessionId}: ${
+        err instanceof Error ? err.message : String(err)
+      }`,
+    )
+  }
+  return { status: 'unavailable', session: stored }
 }
diff --git a/adapters/dingtalk/index.ts b/adapters/dingtalk/index.ts
index 181286a3..b7c4b975 100644
--- a/adapters/dingtalk/index.ts
+++ b/adapters/dingtalk/index.ts
@@ -28,7 +28,7 @@ import {
   formatProjectSelectionOutcome,
   ProjectSelectionController,
 } from '../common/project-selection-router.js'
-import { restoreStoredSessionBinding } from '../common/session-recovery.js'
+import { restoreStoredSessionBinding, SESSION_RECONNECT_NOTICE, type SessionRestoreResult } from '../common/session-recovery.js'
 import { isAllowedUser, tryPair } from '../common/pairing.js'
 import { AttachmentStore } from '../common/attachment/attachment-store.js'
 import { checkAttachmentLimit } from '../common/attachment/attachment-limits.js'
@@ -248,7 +248,7 @@ function clearPendingPermissions(chatId: string): void {
   pendingPermissions.delete(chatId)
 }
 
-async function ensureExistingSession(chatId: string): Promise<{ sessionId: string; workDir: string } | null> {
+async function ensureExistingSession(chatId: string): Promise<SessionRestoreResult> {
   return await restoreStoredSessionBinding({
     chatId,
     bridge,
@@ -261,8 +261,10 @@ async function ensureExistingSession(chatId: string): Promise<{ sessionId: strin
 }
 
 async function buildStatusText(chatId: string): Promise<string> {
-  const stored = await ensureExistingSession(chatId)
-  if (!stored) return formatImStatus(null)
+  const result = await ensureExistingSession(chatId)
+  if (result.status === 'unavailable') return SESSION_RECONNECT_NOTICE
+  if (result.status === 'missing') return formatImStatus(null)
+  const stored = result.session
 
   const runtime = getRuntimeState(chatId)
   let projectName = path.basename(stored.workDir) || stored.workDir
@@ -312,8 +314,12 @@ async function buildStatusText(chatId: string): Promise<string> {
 }
 
 async function ensureSession(chatId: string): Promise<boolean> {
-  const stored = await ensureExistingSession(chatId)
-  if (stored) return true
+  const result = await ensureExistingSession(chatId)
+  if (result.status === 'restored') return true
+  if (result.status === 'unavailable') {
+    await sendText(chatId, SESSION_RECONNECT_NOTICE)
+    return false
+  }
 
   return await createSessionForChat(chatId, defaultWorkDir)
 }
@@ -510,9 +516,9 @@ async function routeUserMessage(chatId: string, text: string, attachments: Attac
       return
     }
     if (!hasAttachments && (trimmed === '/clear' || trimmed === '清空')) {
-      const stored = await ensureExistingSession(chatId)
-      if (!stored) {
-        await sendText(chatId, formatImStatus(null))
+      const result = await ensureExistingSession(chatId)
+      if (result.status !== 'restored') {
+        await sendText(chatId, result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
         return
       }
       clearTransientChatState(chatId)
@@ -525,9 +531,9 @@ async function routeUserMessage(chatId: string, text: string, attachments: Attac
       return
     }
     if (!hasAttachments && (trimmed === '/stop' || trimmed === '停止')) {
-      const stored = await ensureExistingSession(chatId)
-      if (!stored) {
-        await sendText(chatId, formatImStatus(null))
+      const result = await ensureExistingSession(chatId)
+      if (result.status !== 'restored') {
+        await sendText(chatId, result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
         return
       }
       bridge.sendStopGeneration(chatId)
diff --git a/adapters/feishu/__tests__/legacy-session-selection-entrypoint.test.ts b/adapters/feishu/__tests__/legacy-session-selection-entrypoint.test.ts
index da7e2bce..2ea87f61 100644
--- a/adapters/feishu/__tests__/legacy-session-selection-entrypoint.test.ts
+++ b/adapters/feishu/__tests__/legacy-session-selection-entrypoint.test.ts
@@ -187,6 +187,44 @@ async function send(platform: Platform, text: string, options: { unauthorized?:
 
 for (const platform of platforms) {
   describe(`${platform} actual module session selection`, () => {
+    it('keeps the original session and project after reconnect timeout and resumes it on retry', async () => {
+      const adapter = adapterFor(platform)
+      const chatId = chatFor(platform)
+      const originalProject = path.join(temporaryRoot, `${platform}-original`)
+      fs.mkdirSync(originalProject)
+      adapter.bridge.resetSession(chatId)
+      adapter.clearTransientChatState(chatId)
+      adapter.sessionStore.set(chatId, 'original-session', originalProject)
+      const originalBinding = adapter.sessionStore.get(chatId)
+      const creationsBefore = newSessionCount
+      const failedPrompt = `${platform}: Continue after reconnect`
+      const failedOpen = spyOn(adapter.bridge, 'waitForOpen').mockImplementationOnce(async () => {
+        adapter.bridge.resetSession(chatId)
+        return false
+      })
+      const sendSpy = spyOn(adapter.bridge, 'sendUserMessage')
+      try {
+        await send(platform, failedPrompt)
+        expect(adapter.sessionStore.get(chatId)).toEqual(originalBinding)
+        expect(newSessionCount).toBe(creationsBefore)
+        expect(sentPrompts.some((prompt) => prompt.content === failedPrompt)).toBe(false)
+        expect(sendSpy).not.toHaveBeenCalled()
+        expect(notices.at(-1)).toContain('已保留会话和工作目录')
+        expect(notices.at(-1)).not.toContain('/new')
+
+        await send(platform, 'Retry the original conversation')
+        expect(adapter.bridge.getSessionId(chatId)).toBe('original-session')
+        expect(adapter.sessionStore.get(chatId)).toEqual(originalBinding)
+        expect(newSessionCount).toBe(creationsBefore)
+        expect(sendSpy).toHaveBeenCalledWith(chatId, 'Retry the original conversation', undefined)
+      } finally {
+        failedOpen.mockRestore()
+        sendSpy.mockRestore()
+        adapter.bridge.resetSession(chatId)
+        adapter.clearTransientChatState(chatId)
+      }
+    })
+
     it('restores original history and honors the real initial active-turn snapshot', async () => {
       const adapter = adapterFor(platform)
       const chatId = chatFor(platform)
diff --git a/adapters/feishu/index.ts b/adapters/feishu/index.ts
index ba088149..a3c513c8 100644
--- a/adapters/feishu/index.ts
+++ b/adapters/feishu/index.ts
@@ -34,7 +34,7 @@ import {
   formatProjectSelectionOutcome,
   ProjectSelectionController,
 } from '../common/project-selection-router.js'
-import { restoreStoredSessionBinding } from '../common/session-recovery.js'
+import { restoreStoredSessionBinding, SESSION_RECONNECT_NOTICE, type SessionRestoreResult } from '../common/session-recovery.js'
 import { isAllowedUser, tryPair } from '../common/pairing.js'
 import { extractInboundPayload } from './extract-payload.js'
 import { FeishuMediaService } from './media.js'
@@ -220,7 +220,7 @@ function clearTransientChatState(chatId: string): void {
   pendingPermissions.delete(chatId)
 }
 
-async function ensureExistingSession(chatId: string): Promise<{ sessionId: string; workDir: string } | null> {
+async function ensureExistingSession(chatId: string): Promise<SessionRestoreResult> {
   return await restoreStoredSessionBinding({
     chatId,
     bridge,
@@ -233,8 +233,10 @@ async function ensureExistingSession(chatId: string): Promise<{ sessionId: strin
 }
 
 async function buildStatusText(chatId: string): Promise<string> {
-  const stored = await ensureExistingSession(chatId)
-  if (!stored) return formatImStatus(null)
+  const result = await ensureExistingSession(chatId)
+  if (result.status === 'unavailable') return SESSION_RECONNECT_NOTICE
+  if (result.status === 'missing') return formatImStatus(null)
+  const stored = result.session
 
   const runtime = getRuntimeState(chatId)
   let projectName = path.basename(stored.workDir) || stored.workDir
@@ -647,8 +649,12 @@ function buildPermissionCard(
 // ---------- session management ----------
 
 async function ensureSession(chatId: string): Promise<boolean> {
-  const stored = await ensureExistingSession(chatId)
-  if (stored) return true
+  const result = await ensureExistingSession(chatId)
+  if (result.status === 'restored') return true
+  if (result.status === 'unavailable') {
+    await sendText(chatId, SESSION_RECONNECT_NOTICE)
+    return false
+  }
 
   const workDir = defaultWorkDir
   if (workDir) {
@@ -1000,9 +1006,9 @@ async function handleMessage(data: any): Promise<void> {
       return
     }
     if (!hasAttachments && (msgText === '/clear' || msgText === '清空')) {
-      const stored = await ensureExistingSession(chatId)
-      if (!stored) {
-        await sendText(chatId, formatImStatus(null))
+      const result = await ensureExistingSession(chatId)
+      if (result.status !== 'restored') {
+        await sendText(chatId, result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
         return
       }
       clearTransientChatState(chatId)
@@ -1016,9 +1022,9 @@ async function handleMessage(data: any): Promise<void> {
       return
     }
     if (!hasAttachments && (msgText === '/stop' || msgText === '停止')) {
-      const stored = await ensureExistingSession(chatId)
-      if (!stored) {
-        await sendText(chatId, formatImStatus(null))
+      const result = await ensureExistingSession(chatId)
+      if (result.status !== 'restored') {
+        await sendText(chatId, result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
         return
       }
       bridge.sendStopGeneration(chatId)
diff --git a/adapters/telegram/__tests__/commands.test.ts b/adapters/telegram/__tests__/commands.test.ts
index 9621b35e..cc57eb5b 100644
--- a/adapters/telegram/__tests__/commands.test.ts
+++ b/adapters/telegram/__tests__/commands.test.ts
@@ -131,7 +131,7 @@ function createController(overrides?: Record<string, unknown>) {
     },
     defaultWorkDir: '/work/repo',
     isAllowedUser: mock(() => true),
-    ensureExistingSession: mock(async () => ({ sessionId: 'active', workDir: '/work/repo' })),
+    ensureExistingSession: mock(async () => ({ status: 'restored' as const, session: { sessionId: 'active', workDir: '/work/repo', updatedAt: 1 } })),
     clearTransientChatState: mock((chatId: string) => bridgeEvents.push(`clear:${chatId}`)),
     clearOtherSelections: mock(() => {}),
     isBusy: mock(() => false),
@@ -372,7 +372,7 @@ describe('Telegram command controller helpers', () => {
   it('reports empty lists and command failures without throwing', async () => {
     const { controller, sent } = createController({
       defaultWorkDir: '',
-      ensureExistingSession: mock(async () => null),
+      ensureExistingSession: mock(async () => ({ status: 'missing' })),
       httpClient: {
         listProviders: mock(async () => { throw new Error('providers down') }),
         activateOfficialProvider: mock(async () => {}),
@@ -516,7 +516,7 @@ describe('Telegram command controller helpers', () => {
 
   it('does not claim a selected skill ran when the agent session is unavailable', async () => {
     const unavailable = createController({
-      ensureExistingSession: mock(async () => null),
+      ensureExistingSession: mock(async () => ({ status: 'missing' })),
     })
     await unavailable.controller.handleSkillsCommand(createCommandContext().ctx)
     expect(unavailable.sent.at(-1)?.text).toContain('当前项目可用 Skills')
@@ -532,6 +532,46 @@ describe('Telegram command controller helpers', () => {
     expect(callback.edits[0]).toContain('会话已失效')
   })
 
+  it('keeps skill listing on the original project after a temporary reconnect failure', async () => {
+    const session = { sessionId: 'original', workDir: '/work/original', updatedAt: 1 }
+    const restore = mock(async () => ({ status: 'restored', session }))
+      .mockResolvedValueOnce({ status: 'unavailable', session })
+    const { controller, deps, sent } = createController({ ensureExistingSession: restore })
+
+    await controller.handleSkillsCommand(createCommandContext().ctx)
+    expect(sent.at(-1)?.text).toContain('已保留会话和工作目录')
+    expect(sent.at(-1)?.text).not.toContain('/new')
+    expect(deps.httpClient.listSkills).not.toHaveBeenCalled()
+    expect(deps.setStoredSession).not.toHaveBeenCalled()
+    expect(deps.deleteStoredSession).not.toHaveBeenCalled()
+
+    await controller.handleSkillsCommand(createCommandContext().ctx)
+    expect(deps.httpClient.listSkills).toHaveBeenCalledWith('/work/original')
+    expect(sent.at(-1)?.text).toContain('/work/original')
+  })
+
+  it('retains the skill selection for retry when the original session temporarily cannot reconnect', async () => {
+    const session = { sessionId: 'original', workDir: '/work/original', updatedAt: 1 }
+    const restore = mock(async () => ({ status: 'restored', session }))
+    const { controller, deps, sent, sentUserMessages } = createController({ ensureExistingSession: restore })
+    await controller.handleSkillsCommand(createCommandContext().ctx)
+    restore.mockResolvedValueOnce({ status: 'unavailable', session })
+
+    const failed = createCommandContext()
+    await controller.handleSelectionCallback(failed.ctx, { kind: 'skill', action: 'pick', index: 0 })
+    expect(sent.at(-1)?.text).toContain('已保留会话和工作目录')
+    expect(sent.at(-1)?.text).not.toContain('/new')
+    expect(failed.edits).toEqual([])
+    expect(sentUserMessages).toEqual([])
+    expect(deps.setStoredSession).not.toHaveBeenCalled()
+    expect(deps.deleteStoredSession).not.toHaveBeenCalled()
+
+    const retry = createCommandContext()
+    await controller.handleSelectionCallback(retry.ctx, { kind: 'skill', action: 'pick', index: 0 })
+    expect(sentUserMessages).toEqual([{ chatId: '42', content: '/skill-a' }])
+    expect(retry.edits[0]).toContain('已调用 Skill')
+  })
+
   it('reports a disconnected bridge instead of dropping a selected skill', async () => {
     const disconnected = createController({
       sendUserMessage: mock(() => false),
@@ -827,7 +867,7 @@ describe('Telegram command controller helpers', () => {
         delete: (chatId) => events.push(`delete:${chatId}`),
       },
       isAllowedUser: () => allowPermissionUser,
-      ensureExistingSession: mock(async () => ({ sessionId: 'active', workDir: '/work/repo' })),
+      ensureExistingSession: mock(async () => ({ status: 'restored' as const, session: { sessionId: 'active', workDir: '/work/repo', updatedAt: 1 } })),
       clearTransientChatState: (chatId) => events.push(`clear:${chatId}`),
       clearOtherSelections: () => {},
       isBusy: () => false,
diff --git a/adapters/telegram/__tests__/entrypoint-session-routing.test.ts b/adapters/telegram/__tests__/entrypoint-session-routing.test.ts
index 7db606b6..f659ee99 100644
--- a/adapters/telegram/__tests__/entrypoint-session-routing.test.ts
+++ b/adapters/telegram/__tests__/entrypoint-session-routing.test.ts
@@ -4,6 +4,7 @@ import { tmpdir } from 'node:os'
 import { join } from 'node:path'
 import type { ServerWebSocket } from 'bun'
 import { SessionStore } from '../../common/session-store.js'
+import { WsBridge } from '../../common/ws-bridge.js'
 import { AttachmentStore } from '../../common/attachment/attachment-store.js'
 
 // Import the actual entrypoint with isolated configuration. Telegram API calls
@@ -149,6 +150,33 @@ describe('Telegram entrypoint session routing', () => {
     if (directory) rmSync(directory, { recursive: true, force: true })
   })
 
+  it('retains the original session and project through reconnect timeout and retries that conversation', async () => {
+    const chatId = 709
+    store.set(String(chatId), 'history', worktree)
+    const originalBinding = store.get(String(chatId))
+    const creationsBefore = requests.filter((request) => request === 'POST /api/sessions').length
+    const failedOpen = spyOn(WsBridge.prototype, 'waitForOpen').mockImplementationOnce(async function (this: WsBridge, id) {
+      this.resetSession(id)
+      return false
+    })
+    try {
+      await text(chatId, 'Continue after reconnect')
+      expect(store.get(String(chatId))).toEqual(originalBinding)
+      expect(requests.filter((request) => request === 'POST /api/sessions').length).toBe(creationsBefore)
+      expect(messages.some((item) => item.message.content === 'Continue after reconnect')).toBe(false)
+      expect(texts(chatId).at(-1)).toContain('已保留会话和工作目录')
+      expect(texts(chatId).at(-1)).not.toContain('/new')
+
+      await text(chatId, 'Retry the original conversation')
+      await eventually(() => expect(messages.some((item) => item.sessionId === 'history' && item.message.content === 'Retry the original conversation')).toBe(true))
+      expect(store.get(String(chatId))).toEqual(originalBinding)
+      expect(requests.filter((request) => request === 'POST /api/sessions').length).toBe(creationsBefore)
+      broadcast('history', { type: 'message_complete' })
+    } finally {
+      failedOpen.mockRestore()
+    }
+  })
+
   it('runs registered history commands after authorization and deduplication', async () => {
     const before = requests.length
     await text(701, '/sessions', { userId: 99 })
diff --git a/adapters/telegram/commands.ts b/adapters/telegram/commands.ts
index 077d4e56..a7312010 100644
--- a/adapters/telegram/commands.ts
+++ b/adapters/telegram/commands.ts
@@ -1,5 +1,6 @@
 import { formatImHelp } from '../common/format.js'
 import { listProjectSessionHistory, restoreSelectedSession } from '../common/session-selection.js'
+import { SESSION_RECONNECT_NOTICE, type SessionRestoreResult } from '../common/session-recovery.js'
 import type { SessionEntry } from '../common/session-store.js'
 import type { ServerMessage } from '../common/ws-bridge.js'
 import {
@@ -70,7 +71,7 @@ export type TelegramCommandControllerDeps = {
   httpClient: AdapterHttpClient
   defaultWorkDir: string
   isAllowedUser: (userId: number) => boolean
-  ensureExistingSession: (chatId: string) => Promise<{ sessionId: string; workDir: string } | null>
+  ensureExistingSession: (chatId: string) => Promise<SessionRestoreResult>
   clearTransientChatState: (chatId: string) => void
   clearOtherSelections: (chatId: string) => void
   isBusy: (chatId: string) => boolean
@@ -240,7 +241,7 @@ export type TelegramRuntimeCommandControllerDeps = {
     delete: (chatId: string) => void
   }
   isAllowedUser: (userId: number) => boolean
-  ensureExistingSession: (chatId: string) => Promise<{ sessionId: string; workDir: string } | null>
+  ensureExistingSession: (chatId: string) => Promise<SessionRestoreResult>
   clearTransientChatState: (chatId: string) => void
   clearOtherSelections: (chatId: string) => void
   isBusy: (chatId: string) => boolean
@@ -527,8 +528,12 @@ export function createTelegramCommandController(deps: TelegramCommandControllerD
   }
 
   const showSkills = async (chatId: string): Promise<void> => {
-    const stored = await deps.ensureExistingSession(chatId)
-    const cwd = stored?.workDir || deps.defaultWorkDir
+    const restored = await deps.ensureExistingSession(chatId)
+    if (restored.status === 'unavailable') {
+      await deps.api.sendMessage(Number(chatId), SESSION_RECONNECT_NOTICE)
+      return
+    }
+    const cwd = restored.status === 'restored' ? restored.session.workDir : deps.defaultWorkDir
     if (!cwd) {
       await deps.api.sendMessage(Number(chatId), '请先发送 /new 选择项目，再查看 Skills。')
       return
@@ -565,8 +570,12 @@ export function createTelegramCommandController(deps: TelegramCommandControllerD
     const chatId = getCallbackChatId(ctx)
     if (!chatId) return
 
-    const stored = await deps.ensureExistingSession(chatId)
-    if (!stored) {
+    const restored = await deps.ensureExistingSession(chatId)
+    if (restored.status === 'unavailable') {
+      await deps.api.sendMessage(Number(chatId), SESSION_RECONNECT_NOTICE)
+      return
+    }
+    if (restored.status === 'missing') {
       pendingSelections.delete(chatId)
       await ctx.editMessageText('⚠️ 会话已失效，请发送 /new 重新选择项目后再调用 Skill。')
       return
@@ -574,7 +583,7 @@ export function createTelegramCommandController(deps: TelegramCommandControllerD
 
     const invocation = `/${item.value}`
     if (!deps.sendUserMessage(chatId, invocation)) {
-      await ctx.editMessageText('⚠️ Skill 发送失败，连接可能已断开。请发送 /new 重新连接会话。')
+      await ctx.editMessageText(`⚠️ Skill 发送失败。${SESSION_RECONNECT_NOTICE}`)
       return
     }
 
diff --git a/adapters/telegram/index.ts b/adapters/telegram/index.ts
index 480ab24d..bed48a49 100644
--- a/adapters/telegram/index.ts
+++ b/adapters/telegram/index.ts
@@ -28,7 +28,7 @@ import {
 } from '../common/permission.js'
 import { SessionStore } from '../common/session-store.js'
 import { createAdapterClient } from '../common/adapter-client.js'
-import { restoreStoredSessionBinding } from '../common/session-recovery.js'
+import { restoreStoredSessionBinding, SESSION_RECONNECT_NOTICE, type SessionRestoreResult } from '../common/session-recovery.js'
 import { SessionSelectionController } from '../common/session-selection.js'
 import { syncImPermissionState } from '../common/permission-sync.js'
 import { isAllowedUser, tryPair } from '../common/pairing.js'
@@ -150,7 +150,7 @@ async function handlePermissionDecision(chatId: string, decision: PermissionDeci
   )
 }
 
-async function ensureExistingSession(chatId: string): Promise<{ sessionId: string; workDir: string } | null> {
+async function ensureExistingSession(chatId: string): Promise<SessionRestoreResult> {
   return await restoreStoredSessionBinding({
     chatId,
     bridge,
@@ -163,8 +163,10 @@ async function ensureExistingSession(chatId: string): Promise<{ sessionId: strin
 }
 
 async function buildStatusText(chatId: string): Promise<string> {
-  const stored = await ensureExistingSession(chatId)
-  if (!stored) return formatImStatus(null)
+  const result = await ensureExistingSession(chatId)
+  if (result.status === 'unavailable') return SESSION_RECONNECT_NOTICE
+  if (result.status === 'missing') return formatImStatus(null)
+  const stored = result.session
 
   const runtime = getRuntimeState(chatId)
   let projectName = path.basename(stored.workDir) || stored.workDir
@@ -216,8 +218,12 @@ async function buildStatusText(chatId: string): Promise<string> {
 // ---------- session management ----------
 
 async function ensureSession(chatId: string): Promise<boolean> {
-  const stored = await ensureExistingSession(chatId)
-  if (stored) return true
+  const result = await ensureExistingSession(chatId)
+  if (result.status === 'restored') return true
+  if (result.status === 'unavailable') {
+    await bot.api.sendMessage(Number(chatId), SESSION_RECONNECT_NOTICE)
+    return false
+  }
 
   const workDir = defaultWorkDir
   if (workDir) {
@@ -486,9 +492,9 @@ const isAuthorizedTelegramUser = (userId: number) => isAllowedUser('telegram', u
 registerAuthorizedTelegramCommand(bot, 'stop', isAuthorizedTelegramUser, (ctx) => {
   const chatId = String(ctx.chat!.id)
   void (async () => {
-    const stored = await ensureExistingSession(chatId)
-    if (!stored) {
-      await ctx.reply(formatImStatus(null))
+    const result = await ensureExistingSession(chatId)
+    if (result.status !== 'restored') {
+      await ctx.reply(result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
       return
     }
     bridge.sendStopGeneration(chatId)
@@ -504,9 +510,9 @@ registerAuthorizedTelegramCommand(bot, 'status', isAuthorizedTelegramUser, async
 registerAuthorizedTelegramCommand(bot, 'clear', isAuthorizedTelegramUser, (ctx) => {
   const chatId = String(ctx.chat!.id)
   void (async () => {
-    const stored = await ensureExistingSession(chatId)
-    if (!stored) {
-      await ctx.reply(formatImStatus(null))
+    const result = await ensureExistingSession(chatId)
+    if (result.status !== 'restored') {
+      await ctx.reply(result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
       return
     }
     clearTransientChatState(chatId)
diff --git a/adapters/wechat/index.ts b/adapters/wechat/index.ts
index be7f219e..3bd796c1 100644
--- a/adapters/wechat/index.ts
+++ b/adapters/wechat/index.ts
@@ -19,7 +19,7 @@ import { SessionStore } from '../common/session-store.js'
 import { syncImPermissionState } from '../common/permission-sync.js'
 import { SessionSelectionController } from '../common/session-selection.js'
 import { createAdapterClient } from '../common/adapter-client.js'
-import { restoreStoredSessionBinding } from '../common/session-recovery.js'
+import { restoreStoredSessionBinding, SESSION_RECONNECT_NOTICE, type SessionRestoreResult } from '../common/session-recovery.js'
 import { isAllowedUser, tryPair } from '../common/pairing.js'
 import { AttachmentStore } from '../common/attachment/attachment-store.js'
 import { checkAttachmentLimit } from '../common/attachment/attachment-limits.js'
@@ -219,7 +219,7 @@ function enqueueWechat(chatId: string, task: () => Promise<void>): void {
   })
 }
 
-async function ensureExistingSession(chatId: string): Promise<{ sessionId: string; workDir: string } | null> {
+async function ensureExistingSession(chatId: string): Promise<SessionRestoreResult> {
   return await restoreStoredSessionBinding({
     chatId,
     bridge,
@@ -232,8 +232,10 @@ async function ensureExistingSession(chatId: string): Promise<{ sessionId: strin
 }
 
 async function buildStatusText(chatId: string): Promise<string> {
-  const stored = await ensureExistingSession(chatId)
-  if (!stored) return formatImStatus(null)
+  const result = await ensureExistingSession(chatId)
+  if (result.status === 'unavailable') return SESSION_RECONNECT_NOTICE
+  if (result.status === 'missing') return formatImStatus(null)
+  const stored = result.session
 
   const runtime = getRuntimeState(chatId)
   let projectName = path.basename(stored.workDir) || stored.workDir
@@ -283,8 +285,12 @@ async function buildStatusText(chatId: string): Promise<string> {
 }
 
 async function ensureSession(chatId: string): Promise<boolean> {
-  const stored = await ensureExistingSession(chatId)
-  if (stored) return true
+  const result = await ensureExistingSession(chatId)
+  if (result.status === 'restored') return true
+  if (result.status === 'unavailable') {
+    await sendText(chatId, SESSION_RECONNECT_NOTICE)
+    return false
+  }
 
   const workDir = defaultWorkDir
   if (workDir) return await createSessionForChat(chatId, workDir)
@@ -496,9 +502,9 @@ async function routeUserMessage(message: WechatMessage): Promise<void> {
       return
     }
     if (!hasAttachments && (text === '/stop' || text === '停止')) {
-      const stored = await ensureExistingSession(chatId)
-      if (!stored) {
-        await sendText(chatId, formatImStatus(null))
+      const result = await ensureExistingSession(chatId)
+      if (result.status !== 'restored') {
+        await sendText(chatId, result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
         return
       }
       bridge.sendStopGeneration(chatId)
@@ -506,9 +512,9 @@ async function routeUserMessage(message: WechatMessage): Promise<void> {
       return
     }
     if (!hasAttachments && (text === '/clear' || text === '清空')) {
-      const stored = await ensureExistingSession(chatId)
-      if (!stored) {
-        await sendText(chatId, formatImStatus(null))
+      const result = await ensureExistingSession(chatId)
+      if (result.status !== 'restored') {
+        await sendText(chatId, result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
         return
       }
       clearTransientChatState(chatId)
diff --git a/adapters/whatsapp/index.ts b/adapters/whatsapp/index.ts
index 84ce03ae..5dc41a70 100644
--- a/adapters/whatsapp/index.ts
+++ b/adapters/whatsapp/index.ts
@@ -29,7 +29,7 @@ import { SessionStore } from '../common/session-store.js'
 import { syncImPermissionState } from '../common/permission-sync.js'
 import { SessionSelectionController } from '../common/session-selection.js'
 import { createAdapterClient } from '../common/adapter-client.js'
-import { restoreStoredSessionBinding } from '../common/session-recovery.js'
+import { restoreStoredSessionBinding, SESSION_RECONNECT_NOTICE, type SessionRestoreResult } from '../common/session-recovery.js'
 import { isAllowedUser, tryPair } from '../common/pairing.js'
 import { AttachmentStore } from '../common/attachment/attachment-store.js'
 import { checkAttachmentLimit } from '../common/attachment/attachment-limits.js'
@@ -166,7 +166,7 @@ async function handlePermissionDecision(chatId: string, decision: PermissionDeci
   )
 }
 
-async function ensureExistingSession(chatId: string): Promise<{ sessionId: string; workDir: string } | null> {
+async function ensureExistingSession(chatId: string): Promise<SessionRestoreResult> {
   return await restoreStoredSessionBinding({
     chatId,
     bridge,
@@ -179,8 +179,10 @@ async function ensureExistingSession(chatId: string): Promise<{ sessionId: strin
 }
 
 async function buildStatusText(chatId: string): Promise<string> {
-  const stored = await ensureExistingSession(chatId)
-  if (!stored) return formatImStatus(null)
+  const result = await ensureExistingSession(chatId)
+  if (result.status === 'unavailable') return SESSION_RECONNECT_NOTICE
+  if (result.status === 'missing') return formatImStatus(null)
+  const stored = result.session
 
   const runtime = getRuntimeState(chatId)
   let projectName = path.basename(stored.workDir) || stored.workDir
@@ -206,8 +208,12 @@ async function buildStatusText(chatId: string): Promise<string> {
 }
 
 async function ensureSession(chatId: string): Promise<boolean> {
-  const stored = await ensureExistingSession(chatId)
-  if (stored) return true
+  const result = await ensureExistingSession(chatId)
+  if (result.status === 'restored') return true
+  if (result.status === 'unavailable') {
+    await sendWhatsAppText(chatId, SESSION_RECONNECT_NOTICE)
+    return false
+  }
 
   const workDir = defaultWorkDir
   if (workDir) {
@@ -461,9 +467,9 @@ async function routeUserMessage(
       return
     }
     if (command === '/stop') {
-      const stored = await ensureExistingSession(chatId)
-      if (!stored) {
-        await sendWhatsAppText(chatId, formatImStatus(null))
+      const result = await ensureExistingSession(chatId)
+      if (result.status !== 'restored') {
+        await sendWhatsAppText(chatId, result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
         return
       }
       bridge.sendStopGeneration(chatId)
@@ -475,9 +481,9 @@ async function routeUserMessage(
       return
     }
     if (command === '/clear') {
-      const stored = await ensureExistingSession(chatId)
-      if (!stored) {
-        await sendWhatsAppText(chatId, formatImStatus(null))
+      const result = await ensureExistingSession(chatId)
+      if (result.status !== 'restored') {
+        await sendWhatsAppText(chatId, result.status === 'unavailable' ? SESSION_RECONNECT_NOTICE : formatImStatus(null))
         return
       }
       clearTransientChatState(chatId)