feat: update session handling to retain tasks during session switch and clear notes on workspace change

Author: phodal

src/app/page.tsx

@@ -390,8 +390,8 @@ export default function HomePage() {
       await ensureConnected();
       acp.selectSession(sessionId);
       setActiveSessionId(sessionId);
-      // Clear tasks when switching sessions
-      setRoutaTasks([]);
+      // Don't clear tasks here - let onTasksDetected update them when history loads
+      // This prevents the right sidebar from disappearing during session switch
       bumpRefresh();
     },
     [acp, ensureConnected, bumpRefresh]

src/client/hooks/use-notes.ts

@@ -257,6 +257,12 @@ export function useNotes(workspaceId: string = "default"): UseNotesReturn {
     };
   }, [workspaceId]);
 
+  // Clear notes when workspaceId changes to avoid showing stale data
+  useEffect(() => {
+    setNotes([]);
+    setConnected(false);
+  }, [workspaceId]);
+
   // Connect SSE and fetch initial notes
   useEffect(() => {
     fetchNotes();