chore: update ji local changes

frontend-web/src/core/threads/utils.ts

@@ -62,6 +62,21 @@ export function textOfMessage(message: Message) {
   return null;
 }
 
-export function titleOfThread(thread: AgentThread) {
-  return thread.values?.title ?? "Untitled";
+export function titleOfThread(thread: AgentThread, fallback = "Untitled") {
+  const title = thread.values?.title;
+  if (title) return title;
+
+  // No title yet (e.g. the very first turn is still streaming, or the backend
+  // title pass hasn't finished). Derive a sensible display title from the first
+  // user message so the user never sees a bare "Untitled" placeholder.
+  const messages = thread.values?.messages;
+  if (Array.isArray(messages)) {
+    const firstHuman = messages.find((m) => m.type === "human");
+    const text = firstHuman ? textOfMessage(firstHuman)?.trim() : null;
+    if (text) {
+      return text.length > 50 ? `${text.slice(0, 50).trimEnd()}…` : text;
+    }
+  }
+
+  return fallback;
 }