QA: Shared State (Read + Write) — AG2

Prerequisites

• Demo is deployed and accessible at /demos/shared-state-read-write
• Agent backend is healthy (check /api/copilotkit GET → agent_status: reachable)
• Backend has OPENAI_API_KEY set
• The shared-state-read-write agent is mounted at /shared-state-read-write on the FastAPI server (see src/agent_server.py)

Test Steps

1. Page renders with the two cards and chat

• Navigate to /demos/shared-state-read-write
• Sidebar shows the Preferences card (data-testid="preferences-card")
• Sidebar shows the Agent notes card (data-testid="notes-card") with the empty state copy "No notes yet. Ask the agent to remember something."
• Right-hand pane shows <CopilotChat /> with the placeholder "Chat with the agent..."
• The "Shared state" panel inside the preferences card shows JSON with name: "", tone: "casual", language: "English", interests: []

2. UI -> agent (write)

• Type a name (e.g. Atai) into the Name input. The "Shared state" JSON inside the card updates immediately to reflect the new name.
• Change Tone to playful. JSON updates.
• Change Language to Spanish. JSON updates.
• Toggle 2-3 interests (e.g. Cooking, Tech). JSON updates and the buttons show the selected style.
• In the chat, send: "Greet me in one sentence."
• The agent's reply addresses the user by name in a playful tone, in Spanish (i.e. it actually used the preferences). It must NOT just echo the JSON.

3. agent -> UI (read)

• In the chat, send: "Remember that I prefer morning meetings and that I don't eat dairy."
• The Agent notes card transitions from the empty state to a bulleted list with at least 2 entries (data-testid="note-item"), reflecting the two facts above. The list updates in real time while/after the agent finishes its turn.
• In the chat, send: "Also remember I work in Pacific time."
• The notes list now has at least 3 entries (the agent passed the FULL list to set_notes, not just the new one).

4. Round-trip + Clear

• Click the Clear button on the notes card.
• The notes card returns to the empty state immediately.
• In the chat, send: "What do you remember about me?"
• The agent reports it has no remembered notes (because the UI cleared them via agent.setState), confirming the UI's write-back was visible to the agent on its next turn.

5. Error handling

• Send an empty message → handled gracefully (no crash, no broken UI).
• No console errors during normal usage.

Expected Results

• Page loads in < 3 seconds.
• Preferences edits propagate to agent state instantly.
• Agent replies adapt visibly to preferences (name, tone, language).
• Notes card reflects every set_notes call from the agent.
• Clearing notes from the UI is reflected on the agent's next turn.