a51acf6214
E3.S1 - Chat API endpoint skeleton (3 SP)
- /api/swift/chat route met SSE setup
- Zod validation (message, messages, context)
- Authentication check (session required)
- Rate limiting (20 requests per minute)
- Request body schema voor chat messages en context
E3.S2 - Streaming response logic (5 SP)
- Claude API integration (Anthropic Sonnet 4)
- Real-time streaming via Server-Sent Events
- Event parsing (content_block_delta, message_stop, error)
- Simple system prompt met context injection
- Error handling voor API failures
API Route Features:
- Model: claude-sonnet-4-20250514
- Max tokens: 2048, Temperature: 0.7
- Conversation history: max 20 messages
- Rate limiting per user (20 req/min)
- Request cancellation support
- Context: activePatient + shift
SSE Event Format:
- content_block_delta → {"type":"content","text":"..."}
- message_stop → {"type":"done"}
- error → {"type":"error","error":"..."}
Client Helper (lib/swift/chat-api.ts):
- sendChatMessage() function voor frontend
- SSE stream parsing met TextDecoder
- Callbacks: onChunk, onDone, onError
- Error handling en retry logic
ChatPanel Integration:
- Real-time streaming met updateLastMessage()
- isStreaming state voor UI feedback
- Context injection (patient, shift)
- Error messages in chat
System Prompt (Simple):
- Nederlandse medische assistent voor Swift GGZ EPD
- Context-aware (patiënt + dienst)
- Vriendelijk en professioneel
- Medical scribe functionaliteit komt in E3.S3
Files Created:
- app/api/swift/chat/route.ts (279 regels)
- lib/swift/chat-api.ts (113 regels)
Files Updated:
- components/swift/chat/chat-panel.tsx (+52 regels) - Streaming integration
Epic 3 Progress: 2/6 stories compleet (8 SP / 21 SP = 38%)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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