Merge pull request #2472 from pikasTech/fix/workbench-debug-session-trace-fallback

fix: 从当前会话恢复调试 trace

web/hwlab-cloud-web/src/stores/workbench-isolated-kafka-debug.test.ts

@@ -93,7 +93,8 @@ test("current Workbench debug trace prefers the active agent turn", () => {
     { id: "msg_old", role: "agent", title: "Code Agent", text: "done", status: "completed", traceId: "trc_old", createdAt: "2026-07-10T10:00:00.000Z" },
     { id: "msg_current", role: "agent", title: "Code Agent", text: "", status: "running", traceId: "trc_current", createdAt: "2026-07-10T10:01:00.000Z" }
   ] as ChatMessage[];
-  assert.equal(workbenchCurrentDebugTraceId(messages), "trc_current");
+  assert.equal(workbenchCurrentDebugTraceId(messages, "trc_session_fallback"), "trc_current");
+  assert.equal(workbenchCurrentDebugTraceId([], "trc_session_fallback"), "trc_session_fallback");
 });
 
 function debugEnvelope(offset: string, value: Record<string, unknown>) {

web/hwlab-cloud-web/src/stores/workbench-isolated-kafka-debug.ts

@@ -61,10 +61,15 @@ export function applyWorkbenchIsolatedKafkaDebugEvent(
   return withLog({ ...base, message, appliedCount: state.appliedCount + 1, error: null }, event, traceId, reduced.action.type, plan.steps.map((step) => step.type), true, null);
 }
 
-export function workbenchCurrentDebugTraceId(messages: ChatMessage[]): string | null {
+export function workbenchCurrentDebugTraceId(messages: ChatMessage[], sessionLastTraceId?: string | null): string | null {
   const agentMessages = messages.filter((message) => message.role === "agent");
   const running = [...agentMessages].reverse().find((message) => ["pending", "running"].includes(String(message.status ?? "").trim().toLowerCase()) && firstNonEmptyString(message.traceId, message.runnerTrace?.traceId));
-  return firstNonEmptyString(running?.traceId, running?.runnerTrace?.traceId, ...[...agentMessages].reverse().flatMap((message) => [message.traceId, message.runnerTrace?.traceId])) ?? null;
+  return firstNonEmptyString(
+    running?.traceId,
+    running?.runnerTrace?.traceId,
+    ...[...agentMessages].reverse().flatMap((message) => [message.traceId, message.runnerTrace?.traceId]),
+    sessionLastTraceId
+  ) ?? null;
 }
 
 function projectDebugMessage(previous: ChatMessage | null, traceId: string, realtimeEvent: WorkbenchRealtimeEvent, event: TraceEvent): ChatMessage {

web/hwlab-cloud-web/src/views/workbench/CodeWorkbenchView.vue

@@ -31,7 +31,7 @@ const applyingRouteSession = ref(Boolean(rawRouteSessionId.value));
 const componentActive = ref(false);
 const isolatedDebugOpen = ref(false);
 const isolatedDebugAvailable = computed(() => debugCapabilities.isolatedKafka && auth.isAdmin);
-const isolatedDebugTraceId = computed(() => workbenchCurrentDebugTraceId(workbench.activeMessages));
+const isolatedDebugTraceId = computed(() => workbenchCurrentDebugTraceId(workbench.activeMessages, workbench.activeSession?.lastTraceId));
 type LaunchContextRecord = {
   sourceId?: string | null;
   hwpodId?: string | null;