diff --git a/web/hwlab-cloud-web/src/stores/workbench.ts b/web/hwlab-cloud-web/src/stores/workbench.ts
index b2bec40f..f15321a9 100644
--- a/web/hwlab-cloud-web/src/stores/workbench.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench.ts
@@ -1951,6 +1951,7 @@ function messageTimingPatchForMerge(message: ChatMessage, value: unknown): Parti
 
 function messageTimingSealPatchForProjectionMerge(message: ChatMessage, previous: ChatMessage | null): Partial<ChatMessage> {
   if (previous && isProjectionRunningAgentMessageForTiming(previous) && isProjectionRunningAgentMessageForTiming(message)) return messageRunningSealPatchForProjectionMerge(message, previous);
+  if (previous && isProjectionRunningAgentMessageForTiming(previous) && isTerminalMessageStatus(message.status)) return messageTerminalFromRunningSealPatchForProjectionMerge(message, previous);
   return messageTerminalSealPatchForProjectionMerge(message, previous);
 }
 
@@ -1987,6 +1988,26 @@ function isProjectionRunningAgentMessageForTiming(message: ChatMessage): boolean
   return status === null || isTraceActiveStatus(status) || message.traceAutoLifecycle === "running";
 }
 
+function messageTerminalFromRunningSealPatchForProjectionMerge(message: ChatMessage, previous: ChatMessage): Partial<ChatMessage> {
+  const incomingPatch = terminalMessageTimingPatchForNormalize(message);
+  const incomingTiming = normalizeTimingProjection(incomingPatch) ?? normalizeTimingProjection(message);
+  const previousTiming = normalizeTimingProjection(previous);
+  const runningDuration = runningDurationFromTiming(previousTiming);
+  if (runningDuration === null) return incomingPatch;
+  const incomingDuration = firstPositiveFiniteNumber(incomingTiming?.durationMs) ?? positiveDurationBetween(incomingTiming?.startedAt, incomingTiming?.finishedAt) ?? positiveDurationBetween(incomingTiming?.startedAt, incomingTiming?.lastEventAt);
+  const durationMs = Math.max(incomingDuration ?? 0, runningDuration);
+  const finishedAt = incomingTiming?.finishedAt ?? incomingTiming?.lastEventAt ?? new Date().toISOString();
+  const timing = {
+    ...(incomingTiming ?? {}),
+    startedAt: previousTiming?.startedAt ?? incomingTiming?.startedAt ?? null,
+    lastEventAt: incomingTiming?.lastEventAt ?? finishedAt,
+    finishedAt,
+    durationMs,
+    valuesRedacted: incomingTiming?.valuesRedacted !== false && previousTiming?.valuesRedacted !== false,
+  } as WorkbenchTurnTimingProjection;
+  return messageTimingPatchFromProjection(timing);
+}
+
 function messageTerminalSealPatchForProjectionMerge(message: ChatMessage, previous: ChatMessage | null): Partial<ChatMessage> {
   const incomingTimingPatch = messageTimingPatch(message);
   if (!previous || !isTerminalMessageStatus(previous.status)) return incomingTimingPatch;