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copilotkit--copilotkit/showcase/integrations/langgraph-python/qa/agentic-chat.md
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# QA: Agentic Chat — LangGraph (Python)
The minimum-viable CopilotChat demo: vanilla `<CopilotChat>` wired to a
neutral helpful-assistant agent, with three starter-prompt suggestions.
No tools, no custom rendering — anything richer belongs in dedicated
demos (frontend-tools, tool-rendering, hitl-in-chat, etc.).
## Prerequisites
- Demo is deployed and accessible
- Agent backend is healthy (check `/api/health`)
## Test Steps
### 1. Initial render
- [ ] Navigate to `/demos/agentic-chat`
- [ ] Verify the chat input renders with placeholder "Type a message..."
- [ ] Verify all three suggestion pills are visible:
- "Write a sonnet"
- "Tell me a joke"
- "Is 17 prime?"
### 2. Free-form chat
- [ ] Type a basic message (e.g. "Say hello") and press Enter
- [ ] Verify the assistant streams back a text response
### 3. Suggestion pills
- [ ] Click the "Tell me a joke" pill
- [ ] Verify the message is sent and the assistant streams back a joke
### 4. Multi-turn context
- [ ] Send "My name is Alice."
- [ ] Wait for the assistant response
- [ ] Send "What name did I just give you?"
- [ ] Verify the assistant's second response contains "Alice"
### 5. Hygiene
- [ ] No console errors during normal usage
- [ ] No layout breakage with a very long input
## Expected Results
- Chat input mounts within ~3 seconds
- Assistant first-token latency is under ~5 seconds for short prompts;
full responses complete within ~30 seconds
- Suggestion pills render alongside an empty chat and disappear once a
conversation is in progress