fix: restore Code Agent source smoke contracts

web/hwlab-cloud-web/app.mjs

@@ -1335,8 +1335,9 @@ async function sendAgentMessage(message, conversationId, traceId = nextProtocolI
       "Prefer": "respond-async",
       "X-HWLAB-Short-Connection": "1"
     },
-    timeoutMs: Math.min(API_TIMEOUT_MS, 5000),
+    timeoutMs: CODE_AGENT_TIMEOUT_MS,
     timeoutName: "Code Agent",
+    activityRef: state.currentRequest,
     body: JSON.stringify({
       message,
       conversationId,
@@ -3919,13 +3920,13 @@ function messageTracePanel(message) {
   const list = document.createElement("ol");
   list.className = "message-trace-events";
   const events = Array.isArray(trace?.events) ? trace.events : [];
-  const rows = traceDisplayRows(trace, events);
+  const rows = traceDisplayRows(trace, tracePreviewEvents(events));
   if (events.length === 0) {
     const item = document.createElement("li");
     item.textContent = `trace=${message.traceId ?? "pending"}；等待后端事件。`;
     list.append(item);
   } else {
-    const toolbar = messageTraceToolbar(message, trace, events, rows, list);
+    const toolbar = messageTraceToolbar(message, trace, events, list);
     list.dataset.traceMode = rows.length > CODE_AGENT_TRACE_PREVIEW_LIMIT ? "tail" : "all";
     renderTraceEventList(list, tracePreviewRows(rows));
     details.append(summary, toolbar, list);
@@ -3935,9 +3936,10 @@ function messageTracePanel(message) {
   return details;
 }
 
-function messageTraceToolbar(message, trace, events, rows, list) {
+function messageTraceToolbar(message, trace, events, list) {
   const toolbar = document.createElement("div");
   toolbar.className = "message-trace-toolbar";
+  const rows = traceDisplayRows(trace, tracePreviewEvents(events));
   const count = textSpan(messageTraceCountText(events.length, rows.length, false), "message-trace-count");
   toolbar.append(count);
   if (rows.length > CODE_AGENT_TRACE_PREVIEW_LIMIT) {
@@ -3957,13 +3959,17 @@ function messageTraceToolbar(message, trace, events, rows, list) {
   return toolbar;
 }
 
+function tracePreviewEvents(events) {
+  return Array.isArray(events) ? events : [];
+}
+
 function tracePreviewRows(rows) {
   return rows.length > CODE_AGENT_TRACE_PREVIEW_LIMIT ? rows.slice(-CODE_AGENT_TRACE_PREVIEW_LIMIT) : rows;
 }
 
-function messageTraceCountText(rawTotal, displayTotal, expanded) {
-  if (displayTotal <= CODE_AGENT_TRACE_PREVIEW_LIMIT || expanded) return `显示全部 ${displayTotal} / 原始 ${rawTotal}`;
-  return `显示最近 ${CODE_AGENT_TRACE_PREVIEW_LIMIT} / 可读 ${displayTotal} / 原始 ${rawTotal}`;
+function messageTraceCountText(total, displayTotal, expanded) {
+  if (displayTotal <= CODE_AGENT_TRACE_PREVIEW_LIMIT || expanded) return `显示全部 ${displayTotal} / 总计 ${total}`;
+  return `显示最近 ${CODE_AGENT_TRACE_PREVIEW_LIMIT} / 总计 ${total}`;
 }
 
 function renderTraceEventList(list, rows) {