fix(tui): drop unnecessary comments from watchdog dismiss helpers

src/tui/components/chat-log.ts

@@ -109,9 +109,6 @@ export class ChatLog extends Container {
     this.append(this.createSystemMessage(text));
   }
 
-  // Tag a system notice with a runId so a later chat event for the same run
-  // can dismiss it. Used by the streaming watchdog so the "taking longer than
-  // expected" notice goes away if the response actually arrives afterwards.
   addPendingSystem(runId: string, text: string) {
     const existing = this.pendingSystemNotices.get(runId);
     if (existing) {

src/tui/tui-event-handlers.ts

@@ -393,9 +393,6 @@ export function createEventHandlers(context: EventHandlerContext) {
     if (reconnectPendingRunId === evt.runId) {
       reconnectPendingRunId = null;
     }
-    // Any chat event for a run that previously tripped the streaming watchdog
-    // is proof the response is no longer stuck — drop the stale notice so it
-    // doesn't sit alongside the recovered content.
     chatLog.dismissPendingSystem(evt.runId);
     noteSessionRun(evt.runId);
     if (!state.activeChatRunId && !isLocalBtwRunId?.(evt.runId)) {