fix code queue trace fragment coalescing

src/components/microservices/code-queue/src/task-view.ts

@@ -696,7 +696,7 @@ function messageFragmentMergeKey(line: TranscriptLine): string | null {
   if (line.kind !== "message") return null;
   const title = String(line.title || "").trim().toLowerCase();
   if (title !== "assistant message" && title !== "reasoning") return null;
-  return `${title}:${String(line.status || "")}`;
+  return title;
 }
 
 function appendMessageText(left: string, right: string): string {
@@ -718,6 +718,7 @@ function mergeTranscriptMessageGroup(group: TranscriptLine[]): TranscriptLine {
     ...first,
     seq: Number.isFinite(Number(last.seq)) ? Number(last.seq) : Number(first.seq),
     at: last.at || first.at,
+    status: last.status || first.status,
     bodyPreview: body.length > 0 ? body : undefined,
     bodyOmittedLines: group.reduce((sum, line) => sum + Number(line.bodyOmittedLines || 0), 0) || undefined,
     rawSeqs,