diff --git a/electron/runtime/cc-connect-bridge-adapter.ts b/electron/runtime/cc-connect-bridge-adapter.ts
index ee7dde7e..527e743c 100644
--- a/electron/runtime/cc-connect-bridge-adapter.ts
+++ b/electron/runtime/cc-connect-bridge-adapter.ts
@@ -527,7 +527,7 @@ export class CcConnectBridgeAdapter {
     this.shouldReconnect = false;
     this.clearHeartbeat();
     this.clearReconnectTimer();
-    await this.failPendingRuns('cc-connect runtime stopped before the run completed');
+    this.failPendingRuns('cc-connect runtime stopped before the run completed');
     const sockets = new Set([
       ...this.connectingSockets,
       ...(this.socket ? [this.socket] : []),
@@ -841,13 +841,14 @@ export class CcConnectBridgeAdapter {
           }
           return;
         }
-        this.handleServerMessage(parsed);
+        this.handleServerMessage(parsed, socket);
       });
       socket.once('error', (error) => finish(error));
       socket.once('close', () => {
         if (this.socket === socket) {
           this.socket = null;
           this.clearHeartbeat();
+          this.failPendingRuns('cc-connect bridge disconnected before the run completed');
           this.scheduleReconnect();
         }
         finish(new Error('cc-connect bridge connection closed'));
@@ -904,7 +905,8 @@ export class CcConnectBridgeAdapter {
     }
   }
 
-  private handleServerMessage(message: Record<string, unknown>): void {
+  private handleServerMessage(message: Record<string, unknown>, sourceSocket: WebSocket): void {
+    if (sourceSocket !== this.socket) return;
     const progressItems = parseBridgeProgressItems(message.content);
     if (progressItems) {
       logger.debug(
@@ -1587,7 +1589,7 @@ export class CcConnectBridgeAdapter {
     this.terminalCardRuns.delete(pending.runId);
   }
 
-  private async failPendingRuns(error: string): Promise<void> {
+  private failPendingRuns(error: string): void {
     const failedAt = Date.now();
     for (const pending of Array.from(this.pendingRuns.values())) {
       if (this.pendingRuns.get(pending.runId) !== pending) continue;
@@ -1595,7 +1597,7 @@ export class CcConnectBridgeAdapter {
         sessionKey: pending.sessionKey,
         abortedAt: failedAt,
       });
-      await this.finishPendingRun(pending, {
+      void this.finishPendingRun(pending, {
         text: error,
         isError: true,
         appendMessage: false,
@@ -1641,7 +1643,10 @@ export class CcConnectBridgeAdapter {
       pending.sessionKey === sessionKey || toCcConnectBridgeSessionKey(pending.sessionKey) === bridgeSessionKey
     ));
     if (hasPendingForSession) return false;
-    return Array.from(this.abortedRuns.values()).some((aborted) => aborted.sessionKey === sessionKey);
+    return Array.from(this.abortedRuns.values()).some((aborted) => (
+      aborted.sessionKey === sessionKey
+      || toCcConnectBridgeSessionKey(aborted.sessionKey) === bridgeSessionKey
+    ));
   }
 
   private pruneAbortedRuns(): void {
diff --git a/electron/runtime/cc-connect-codex-transcript.ts b/electron/runtime/cc-connect-codex-transcript.ts
index 91de3dba..6f37d235 100644
--- a/electron/runtime/cc-connect-codex-transcript.ts
+++ b/electron/runtime/cc-connect-codex-transcript.ts
@@ -14,7 +14,10 @@ type CachedTranscriptFile = {
   turnMetadata?: {
     sessionTimestamp?: number;
     sessionWorkDir?: string;
-    userMessages: string[];
+    userTurns: Array<{
+      content: string;
+      timestamp?: number;
+    }>;
   };
   toolMessages?: RawMessage[];
 };
@@ -166,7 +169,7 @@ function transcriptTurnMetadata(file: CachedTranscriptFile): NonNullable<CachedT
   if (file.turnMetadata) return file.turnMetadata;
   let sessionTimestamp: number | undefined;
   let sessionWorkDir: string | undefined;
-  const userMessages: string[] = [];
+  const userTurns: NonNullable<CachedTranscriptFile['turnMetadata']>['userTurns'] = [];
   for (const line of file.jsonl.split(/\r?\n/)) {
     if (!line.trim()) continue;
     let record: Record<string, unknown>;
@@ -185,29 +188,37 @@ function transcriptTurnMetadata(file: CachedTranscriptFile): NonNullable<CachedT
     if (record.type !== 'response_item' || !isRecord(record.payload)) continue;
     const payload = record.payload;
     if (payload.type !== 'message' || payload.role !== 'user' || !Array.isArray(payload.content)) continue;
+    const timestamp = parseTimestamp(record.timestamp) ?? sessionTimestamp;
     for (const item of payload.content) {
       if (!isRecord(item) || item.type !== 'input_text' || typeof item.text !== 'string') continue;
-      userMessages.push(item.text.trim());
+      userTurns.push({
+        content: item.text.trim(),
+        ...(timestamp !== undefined ? { timestamp } : {}),
+      });
     }
   }
-  file.turnMetadata = { sessionTimestamp, sessionWorkDir, userMessages };
+  file.turnMetadata = { sessionTimestamp, sessionWorkDir, userTurns };
   return file.turnMetadata;
 }
 
+function transcriptMatchesWorkDir(file: CachedTranscriptFile, expectedWorkDir?: string): boolean {
+  if (!expectedWorkDir) return true;
+  const { sessionWorkDir } = transcriptTurnMetadata(file);
+  return sessionWorkDir !== undefined && resolve(sessionWorkDir) === resolve(expectedWorkDir);
+}
+
 function transcriptMatchesTurn(
   file: CachedTranscriptFile,
   hints: CcConnectTranscriptTurnHint[],
   expectedWorkDir?: string,
 ): boolean {
-  const { sessionTimestamp, sessionWorkDir, userMessages } = transcriptTurnMetadata(file);
-  if (sessionTimestamp === undefined || userMessages.length === 0) return false;
-  if (expectedWorkDir && (!sessionWorkDir || resolve(sessionWorkDir) !== resolve(expectedWorkDir))) {
-    return false;
-  }
-  return hints.some((hint) => (
-    Math.abs(sessionTimestamp - hint.timestamp) <= TRANSCRIPT_TURN_MATCH_WINDOW_MS
-    && userMessages.includes(hint.content.trim())
-  ));
+  const { userTurns } = transcriptTurnMetadata(file);
+  if (userTurns.length === 0 || !transcriptMatchesWorkDir(file, expectedWorkDir)) return false;
+  return hints.some((hint) => userTurns.some((turn) => (
+    turn.timestamp !== undefined
+    && Math.abs(turn.timestamp - hint.timestamp) <= TRANSCRIPT_TURN_MATCH_WINDOW_MS
+    && turn.content === hint.content.trim()
+  )));
 }
 
 async function findTurnTranscriptFiles(
@@ -374,21 +385,24 @@ export async function loadCcConnectCodexTranscriptTools(
     ? [codexHomeDirs]
     : Array.from(codexHomeDirs);
   const transcriptPaths = new Set<string>();
-  const cachedSessionPath = hasValidAgentSessionId
-    ? transcriptPathBySessionId.get(agentSessionId)
-    : undefined;
-  if (cachedSessionPath) transcriptPaths.add(cachedSessionPath);
   for (const codexHomeDir of new Set(homes.filter(Boolean))) {
-    if (hasValidAgentSessionId && !transcriptPathBySessionId.has(agentSessionId)) {
-      const transcriptPath = await findTranscriptFile(join(codexHomeDir, 'sessions'), agentSessionId);
+    if (hasValidAgentSessionId) {
+      const sessionPathCacheKey = `${resolve(codexHomeDir)}\0${agentSessionId}`;
+      let transcriptPath = transcriptPathBySessionId.get(sessionPathCacheKey);
+      if (!transcriptPath) {
+        transcriptPath = await findTranscriptFile(join(codexHomeDir, 'sessions'), agentSessionId);
+      }
       if (transcriptPath) {
         setBoundedCache(
           transcriptPathBySessionId,
-          agentSessionId,
+          sessionPathCacheKey,
           transcriptPath,
           MAX_TRANSCRIPT_PATH_CACHE_ENTRIES,
         );
-        transcriptPaths.add(transcriptPath);
+        const file = await readTranscriptFile(transcriptPath);
+        if (file?.jsonl && transcriptMatchesWorkDir(file, expectedWorkDir)) {
+          transcriptPaths.add(transcriptPath);
+        }
       }
     }
     for (const turnTranscriptPath of await findTurnTranscriptFiles(codexHomeDir, turnHints, expectedWorkDir)) {
diff --git a/tests/unit/cc-connect-bridge-adapter.test.ts b/tests/unit/cc-connect-bridge-adapter.test.ts
index aab569a6..f12e823a 100644
--- a/tests/unit/cc-connect-bridge-adapter.test.ts
+++ b/tests/unit/cc-connect-bridge-adapter.test.ts
@@ -118,8 +118,9 @@ describe('cc-connect BridgePlatform adapter', () => {
       });
     });
 
+    let adapter: CcConnectBridgeAdapter | undefined;
     try {
-      const adapter = new CcConnectBridgeAdapter({
+      adapter = new CcConnectBridgeAdapter({
         port,
         token: 'token',
         project: 'clawx-main',
@@ -132,11 +133,12 @@ describe('cc-connect BridgePlatform adapter', () => {
         message: 'ping',
         idempotencyKey: 'idem-1',
       })).resolves.toEqual(expect.objectContaining({ runId: expect.stringMatching(/^cc-connect-/) }));
-      await expect(adapter.send({
+      const channelRun = await adapter.send({
         sessionKey: 'agent:coder:feishu:chat-1:user-1',
         message: 'channel ping',
         idempotencyKey: 'idem-2',
-      })).resolves.toEqual(expect.objectContaining({ runId: expect.stringMatching(/^cc-connect-/) }));
+      });
+      expect(channelRun).toEqual(expect.objectContaining({ runId: expect.stringMatching(/^cc-connect-/) }));
 
       await vi.waitFor(() => {
         expect(emitted).toEqual(expect.arrayContaining([
@@ -154,6 +156,12 @@ describe('cc-connect BridgePlatform adapter', () => {
             sessionKey: 'agent:research:desk',
             status: 'completed',
           })],
+          ['chat:runtime-event', expect.objectContaining({
+            type: 'run.ended',
+            runId: channelRun.runId,
+            sessionKey: 'agent:coder:feishu:chat-1:user-1',
+            status: 'completed',
+          })],
         ]));
       });
 
@@ -185,6 +193,7 @@ describe('cc-connect BridgePlatform adapter', () => {
       ]);
       await adapter.close();
     } finally {
+      await adapter?.close();
       await new Promise<void>((resolve) => server.close(() => resolve()));
     }
   });
@@ -932,6 +941,7 @@ describe('cc-connect BridgePlatform adapter', () => {
     });
     const sockets: WebSocket[] = [];
     const received: Record<string, unknown>[] = [];
+    const emitted: Array<[string, unknown]> = [];
 
     server.on('connection', (socket) => {
       sockets.push(socket);
@@ -940,6 +950,14 @@ describe('cc-connect BridgePlatform adapter', () => {
         received.push(parsed);
         if (parsed.type === 'register') {
           socket.send(JSON.stringify({ type: 'register_ack', ok: true }));
+          return;
+        }
+        if (parsed.type === 'message' && sockets.indexOf(socket) === 1) {
+          socket.send(JSON.stringify({
+            type: 'reply',
+            session_key: parsed.session_key,
+            content: 'reply after dropped connection',
+          }));
         }
       });
     });
@@ -948,7 +966,7 @@ describe('cc-connect BridgePlatform adapter', () => {
       port,
       token: 'token',
       project: 'clawx-main',
-      emit: vi.fn(),
+      emit: ((event: string, payload: unknown) => emitted.push([event, payload])) as never,
       heartbeatIntervalMs: 20,
       reconnectDelayMs: 20,
     });
@@ -961,10 +979,40 @@ describe('cc-connect BridgePlatform adapter', () => {
         ]));
       });
 
+      const droppedRun = await adapter.send({
+        sessionKey: 'agent:coder:feishu:chat-1:user-1',
+        message: 'drop this run',
+        idempotencyKey: 'idem-before-drop',
+      });
       sockets[0]?.close();
       await vi.waitFor(() => {
         expect(sockets).toHaveLength(2);
         expect(adapter.isConnected()).toBe(true);
+        expect(emitted).toEqual(expect.arrayContaining([
+          ['chat:runtime-event', expect.objectContaining({
+            type: 'run.ended',
+            runId: droppedRun.runId,
+            sessionKey: 'agent:coder:feishu:chat-1:user-1',
+            status: 'error',
+            error: 'cc-connect bridge disconnected before the run completed',
+          })],
+        ]));
+      });
+
+      const replacementRun = await adapter.send({
+        sessionKey: 'agent:coder:feishu:chat-1:user-1',
+        message: 'answer after reconnect',
+        idempotencyKey: 'idem-after-drop',
+      });
+      await vi.waitFor(() => {
+        expect(emitted).toEqual(expect.arrayContaining([
+          ['chat:runtime-event', expect.objectContaining({
+            type: 'run.ended',
+            runId: replacementRun.runId,
+            sessionKey: 'agent:coder:feishu:chat-1:user-1',
+            status: 'completed',
+          })],
+        ]));
       });
 
       await adapter.close();
@@ -1017,7 +1065,7 @@ describe('cc-connect BridgePlatform adapter', () => {
 
     try {
       const first = await adapter.send({
-        sessionKey: 'agent:main:first',
+        sessionKey: 'agent:coder:feishu:chat-1:user-1',
         message: 'never answered',
         idempotencyKey: 'idem-before-close',
       });
@@ -1027,14 +1075,14 @@ describe('cc-connect BridgePlatform adapter', () => {
         ['chat:runtime-event', expect.objectContaining({
           type: 'run.ended',
           runId: first.runId,
-          sessionKey: 'agent:main:first',
+          sessionKey: 'agent:coder:feishu:chat-1:user-1',
           status: 'error',
           error: 'cc-connect runtime stopped before the run completed',
         })],
       ]));
 
       const second = await adapter.send({
-        sessionKey: 'agent:main:second',
+        sessionKey: 'agent:coder:feishu:chat-1:user-1',
         message: 'answer this',
         idempotencyKey: 'idem-after-close',
       });
@@ -1043,7 +1091,7 @@ describe('cc-connect BridgePlatform adapter', () => {
           ['chat:runtime-event', expect.objectContaining({
             type: 'run.ended',
             runId: second.runId,
-            sessionKey: 'agent:main:second',
+            sessionKey: 'agent:coder:feishu:chat-1:user-1',
             status: 'completed',
           })],
         ]));
diff --git a/tests/unit/cc-connect-runtime-provider.test.ts b/tests/unit/cc-connect-runtime-provider.test.ts
index e0530c0a..85343f6e 100644
--- a/tests/unit/cc-connect-runtime-provider.test.ts
+++ b/tests/unit/cc-connect-runtime-provider.test.ts
@@ -2609,7 +2609,7 @@ describe('CcConnectRuntimeProvider', () => {
     });
   });
 
-  it('scopes transcript turn matching by workspace and parses direct Web Search and MCP tools', async () => {
+  it('rejects stale cross-workspace session IDs and matches later Web Search and MCP turns', async () => {
     const transcriptDir = join(
       tempDir,
       'runtimes',
@@ -2623,11 +2623,11 @@ describe('CcConnectRuntimeProvider', () => {
     await mkdir(transcriptDir, { recursive: true });
     const timestamp = Date.parse('2026-07-27T06:30:10.000Z');
     const sessionMeta = (id: string, cwd: string) => JSON.stringify({
-      timestamp: '2026-07-27T06:30:10.000Z',
+      timestamp: '2026-07-27T06:00:10.000Z',
       type: 'session_meta',
       payload: {
         id,
-        timestamp: '2026-07-27T06:30:10.000Z',
+        timestamp: '2026-07-27T06:00:10.000Z',
         cwd,
       },
     });
@@ -2665,7 +2665,7 @@ describe('CcConnectRuntimeProvider', () => {
         },
       }),
     ].join('\n'), 'utf8');
-    await writeFile(join(transcriptDir, 'rollout-main.jsonl'), [
+    await writeFile(join(transcriptDir, 'rollout-main-session.jsonl'), [
       sessionMeta('main-session', '/workspace/main'),
       userMessage,
       JSON.stringify({
@@ -2683,7 +2683,7 @@ describe('CcConnectRuntimeProvider', () => {
     const { loadCcConnectCodexTranscriptTools } = await import('@electron/runtime/cc-connect-codex-transcript');
     const messages = await loadCcConnectCodexTranscriptTools(
       join(tempDir, 'runtimes', 'cc-connect', 'codex-home'),
-      '',
+      'main-session',
       [{ content: '查一下状态', timestamp }],
       '/workspace/coder',
     );