fix: 披露 Workbench Kafka 重放耗时

internal/cloud/server-workbench-realtime-http.ts

@@ -758,17 +758,34 @@ async function handleKafkaRefreshReplayWorkbenchRealtimeHttp(request, response,
     liveBufferLimit: refreshReplay.liveBufferLimit,
     identityWindowLimit: refreshReplay.matchedEventLimit + refreshReplay.liveBufferLimit,
     subscribeLive: (listener) => bridge.subscribeLiveHwlabEvents(listener),
-    queryRetention: ({ signal }) => bridge.queryHwlabEventRetention({
-      sessionId: requestedSessionId,
-      traceId: requestedTraceId,
-      limit: refreshReplay.matchedEventLimit,
-      scanLimit: refreshReplay.scanLimit,
-      timeoutMs: refreshReplay.timeoutMs,
-      groupIdPrefix: refreshReplay.groupIdPrefix,
-      partitionKey: requestedSessionId,
-      fromBeginning: true,
-      signal
-    }),
+    queryRetention: async ({ signal }) => {
+      const result = await bridge.queryHwlabEventRetention({
+        sessionId: requestedSessionId,
+        traceId: requestedTraceId,
+        limit: refreshReplay.matchedEventLimit,
+        scanLimit: refreshReplay.scanLimit,
+        timeoutMs: refreshReplay.timeoutMs,
+        groupIdPrefix: refreshReplay.groupIdPrefix,
+        partitionKey: requestedSessionId,
+        fromBeginning: true,
+        signal
+      });
+      (options.logger ?? console).log(JSON.stringify({
+        code: "workbench-kafka-refresh-query",
+        component: "hwlab-workbench-realtime",
+        sessionId: requestedSessionId,
+        traceId: requestedTraceId,
+        completionReason: result?.completionReason ?? null,
+        complete: result?.completion?.complete === true,
+        scannedCount: result?.scannedCount ?? null,
+        matchedCount: result?.matchedCount ?? null,
+        partitionKeyScoped: result?.partitionKeyScoped === true,
+        targetPartition: result?.targetPartition ?? null,
+        timing: result?.timing ?? null,
+        valuesPrinted: false
+      }));
+      return result;
+    },
     deliverEvent: (envelope, transport) => enqueueEvent("hwlab.event.v1", envelope, transport),
     deliverConnected: (summary) => enqueueEvent("workbench.connected", {
       type: "connected",

internal/workbench/workbench.test.ts

@@ -132,7 +132,20 @@ describe("Workbench native HTTP adapter", () => {
       ], {});
       for (let index = 0; index < 20 && subscribers.size === 0; index += 1) await Bun.sleep(5);
       for (const listener of subscribers) listener({ schema: "hwlab.event.v1", sessionId: "ses_l0_sse", traceId: "trc_l0_sse", event: { type: "backend", eventType: "backend", label: "agentrun:backend:command-created" } });
-      expect(await pending).toMatchObject({ ok: true, operation: "events.inspect", connected: true, eventCount: 1, eventTypes: ["backend"] });
+      expect(await pending).toMatchObject({
+        ok: true,
+        operation: "events.inspect",
+        connected: true,
+        connectedContract: {
+          deliverySemantics: "live-only",
+          realtimeSource: "hwlab.event.v1",
+          replay: false,
+          liveOnly: true,
+          refreshReplay: null
+        },
+        eventCount: 1,
+        eventTypes: ["backend"]
+      });
     } finally {
       server.stop(true);
       await app.close();