diff --git a/web/hwlab-cloud-web/src/components/workbench/ConversationPanel.vue b/web/hwlab-cloud-web/src/components/workbench/ConversationPanel.vue
index 40f11301..68b902bd 100644
--- a/web/hwlab-cloud-web/src/components/workbench/ConversationPanel.vue
+++ b/web/hwlab-cloud-web/src/components/workbench/ConversationPanel.vue
@@ -393,25 +393,17 @@ function ceilDisplayDurationSecond(ms: number): number {
 }
 
 function sealedTerminalRecordedDurationMs(message: ChatMessage, timing: ChatMessage["timing"]): number | null {
-  const messageRecord = message as Record<string, unknown>;
-  const trace = message.runnerTrace as Record<string, unknown> | null | undefined;
-  const traceTiming = trace?.timing as Record<string, unknown> | null | undefined;
-  const messageHasTerminalTimestamp = timestampMs(timing?.finishedAt ?? message.finishedAt ?? messageRecord.completedAt) !== null;
-  const traceHasTerminalTimestamp = timestampMs(traceTiming?.finishedAt ?? trace?.finishedAt ?? traceTiming?.completedAt ?? trace?.completedAt) !== null;
+  void message;
+  const messageHasTerminalTimestamp = timestampMs(timing?.finishedAt) !== null;
   return maxPositiveDurationMs(
-    messageHasTerminalTimestamp ? message.durationMs : null,
     messageHasTerminalTimestamp ? timing?.durationMs : null,
-    traceHasTerminalTimestamp ? message.runnerTrace?.durationMs : null,
-    traceHasTerminalTimestamp ? message.runnerTrace?.timing?.durationMs : null
   );
 }
 
 function elapsedTerminalDurationMs(message: ChatMessage, timing: ChatMessage["timing"]): number | null {
-  const messageRecord = message as Record<string, unknown>;
-  const trace = message.runnerTrace as Record<string, unknown> | null | undefined;
-  const traceTiming = trace?.timing as Record<string, unknown> | null | undefined;
-  const startedAt = timestampMs(timing?.startedAt ?? message.startedAt ?? traceTiming?.startedAt ?? trace?.startedAt);
-  const endedAt = timestampMs(timing?.finishedAt ?? message.finishedAt ?? messageRecord.completedAt ?? traceTiming?.finishedAt ?? trace?.finishedAt ?? traceTiming?.completedAt ?? trace?.completedAt);
+  void message;
+  const startedAt = timestampMs(timing?.startedAt);
+  const endedAt = timestampMs(timing?.finishedAt);
   if (startedAt === null || endedAt === null || endedAt < startedAt) return null;
   return Math.trunc(endedAt - startedAt);
 }