diff --git a/web/hwlab-cloud-web/src/stores/workbench.ts b/web/hwlab-cloud-web/src/stores/workbench.ts
index 62e8bcf3..0811428b 100644
--- a/web/hwlab-cloud-web/src/stores/workbench.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench.ts
@@ -1419,13 +1419,21 @@ function nonBlockingProjection(projection: ProjectionDiagnostic | null): Project
     const userMessageId = firstNonEmptyString(lifecycle.userMessageId);
     const assistantMessageId = firstNonEmptyString(lifecycle.assistantMessageId);
     const admissionTiming = optimisticAdmissionTimingPatch(lifecycle);
-    if (!turnId && !userMessageId && !assistantMessageId && canonicalTraceId === traceId) return canonicalTraceId;
+    const hasAdmissionTiming = Boolean(admissionTiming.timing?.startedAt || admissionTiming.timing?.lastEventAt);
+    if (!turnId && !userMessageId && !assistantMessageId && !hasAdmissionTiming && canonicalTraceId === traceId) return canonicalTraceId;
     updateActiveMessages((source) => source.map((message) => {
       if (message.traceId !== traceId) return message;
       const runnerTrace = message.runnerTrace ? { ...message.runnerTrace, traceId: canonicalTraceId } : message.runnerTrace;
       const base = { ...message, traceId: canonicalTraceId, runnerTrace, updatedAt: new Date().toISOString() };
       if (message.role === "user" && userMessageId) return { ...base, id: userMessageId, messageId: userMessageId, turnId };
-      if (message.role === "agent" && assistantMessageId) return { ...base, ...admissionTiming, id: assistantMessageId, messageId: assistantMessageId, turnId };
+      if (message.role === "agent") {
+        const next = { ...base, ...admissionTiming };
+        return {
+          ...next,
+          ...(assistantMessageId ? { id: assistantMessageId, messageId: assistantMessageId } : {}),
+          ...(turnId ? { turnId } : {})
+        };
+      }
       return turnId ? { ...base, turnId } : base;
     }));
     return canonicalTraceId;