QA: Frontend Tools (Async) — AG2

• Navigate to /demos/frontend-tools-async
• Click "Find project-planning notes"
• Verify NotesCard loading state ("Querying local notes DB...")
• After ~500ms, verify matches render (notes-list)
• Verify agent summarizes the notes in the next assistant bubble

Expected Results

• Async frontend-tool handler waits and returns data to the agent