fix: filter bus messages by session ID

src/status.ts

@@ -116,7 +116,7 @@ export function stopStatusServer(): void {
 
 function write(data: Record<string, unknown>): void {
   _state.current = { ..._state.current, ...data };
-  const payload = { ..._state.current, version: _version } as BrainStatusEvent;
+  const payload = { ..._state.current, version: _version, sessionId: _sessionId || undefined } as BrainStatusEvent;
 
   // Real-time push via plugin bus (HTTP fallback still serves status endpoint)
   getBus()

src/tui.tsx

@@ -87,7 +87,10 @@ function BrainStatusBar(props: { centered?: boolean; api: TuiPluginApi; sessionI
         // also subscribe to the per-session channel (server switches to it
         // after first chat.message). Prevents missing pre-session status updates.
         unsub = b.subscribe("brain/status", (envelope) => {
-          handleStatus(envelope.payload as BrainStatusEvent);
+          const data = envelope.payload as BrainStatusEvent & { sessionId?: string };
+          // Only process if no session ID OR matches current session
+          if (data.sessionId && props.sessionId && data.sessionId !== props.sessionId) return;
+          handleStatus(data);
         });
       })
       .catch((err) => {
@@ -103,7 +106,9 @@ function BrainStatusBar(props: { centered?: boolean; api: TuiPluginApi; sessionI
       sessionUnsub?.();
       if (!sid || !b) return;
       sessionUnsub = b.subscribe(`brain/${sid}`, (envelope) => {
-        handleStatus(envelope.payload as BrainStatusEvent);
+          const data = envelope.payload as BrainStatusEvent & { sessionId?: string };
+          if (data.sessionId && data.sessionId !== sid) return;
+          handleStatus(data);
       });
     });
   });