mirror of
https://github.com/CopilotKit/CopilotKit.git
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Atai Barkai
0dd826e8af
Restores a2ui.render() usage in search_flights. The constant "a2ui_operations" is now defined in all three layers: Python SDK, ag-ui middleware, and A2UIMessageRenderer. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
63 lines
3.3 KiB
Markdown
63 lines
3.3 KiB
Markdown
# Ralph Loop: Fix A2UI Flight Search Rendering
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## What needs to work
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When a user clicks the "Flight Search (Fixed Schema A2UI)" suggestion in the chat at http://localhost:3000, the agent should call the `search_flights` tool and **A2UI flight cards must render visually in the chat**. The cards should show flight data (flight number, origin, destination, times, status) in a styled card layout — not just text.
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## Current state
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- The agent calls `search_flights` successfully and returns A2UI operations
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- The tool returns `{"a2ui_operations": [...]}` containing `surfaceUpdate`, `dataModelUpdate`, and `beginRendering`
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- But no A2UI surface renders in the chat — only the agent's text response appears
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## How to validate
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1. Open http://localhost:3000 in a browser
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2. Click "Flight Search (Fixed Schema A2UI)" suggestion (or type the equivalent message)
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3. Wait for agent response
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4. Take a screenshot of the chat area
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5. The screenshot MUST show rendered flight card UI components (not just text). Look for:
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- Card-like containers with flight information
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- Structured layout with flight numbers, routes (origin → destination), times
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- A2UI-rendered components (not plain text)
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If no cards are visible — only text — the iteration has NOT succeeded.
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## Environment
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- App: http://localhost:3000 (Next.js)
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- Agent: http://localhost:8123 (LangGraph Python)
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- CopilotKit repo: /Users/ataibarkai/LocalGit/CopilotKit/
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- AG-UI repo: /Users/ataibarkai/LocalGit/ag-ui/
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- Screenshots dir: /Users/ataibarkai/LocalGit/CopilotKit/examples/integrations/langgraph-python/screenshots/
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## Key files
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- Agent tool: `apps/agent/src/a2ui_fixed.py` — emits A2UI operations via `copilotkit.a2ui`
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- Agent tool schema: `apps/agent/src/a2ui_flight_schema.json` — component tree
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- SDK helper: `/Users/ataibarkai/LocalGit/CopilotKit/sdk-python/copilotkit/a2ui.py` — `render()` wraps in `{"a2ui_operations": [...]}`
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- Middleware detection: `/Users/ataibarkai/LocalGit/ag-ui/middlewares/a2ui-middleware/src/schema.ts` — `tryParseA2UIOperations()`
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- Frontend renderer: `packages/v2/react/src/a2ui/A2UIMessageRenderer.tsx` — reads `content.a2ui_operations ?? content.operations`
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- Frontend ignored tools: `apps/app/src/hooks/use-generative-ui-examples.tsx` — `search_flights` in ignored list
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## Constraints
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- Do NOT change the existing form tool (`generate_form`) or other working features
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- After any TypeScript changes, rebuild: `cd /Users/ataibarkai/LocalGit/CopilotKit && npx nx run @copilotkit/react-core:build`
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- After any ag-ui middleware changes, rebuild: `cd /Users/ataibarkai/LocalGit/ag-ui && npx nx run @ag-ui/a2ui-middleware:build --skip-nx-cache` then `cd /Users/ataibarkai/LocalGit/CopilotKit/examples/integrations/langgraph-python && COPILOTKIT_LOCAL=1 pnpm install --force`
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- After any Python SDK changes, reinstall: `cd apps/agent && .venv/bin/pip install -e ../../../../../sdk-python`
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- The agent dev server auto-reloads on Python file changes
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## Completion
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When flight cards render correctly in the chat, output: <promise>DONE</promise>
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## Stuck handling
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If after 3 attempts the cards still don't render:
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1. Add console.log/print statements at each layer to trace where operations are lost
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2. Check browser console for errors
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3. Check agent logs for errors
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4. Document what you've tried and what you've learned
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