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atlas/tickets/done/TICKET-024_llm-logging-metrics.md
ilia bdbf09a9ac feat: Implement voice I/O services (TICKET-006, TICKET-010, TICKET-014) 
✅ TICKET-006: Wake-word Detection Service
- Implemented wake-word detection using openWakeWord
- HTTP/WebSocket server on port 8002
- Real-time detection with configurable threshold
- Event emission for ASR integration
- Location: home-voice-agent/wake-word/

✅ TICKET-010: ASR Service
- Implemented ASR using faster-whisper
- HTTP endpoint for file transcription
- WebSocket endpoint for streaming transcription
- Support for multiple audio formats
- Auto language detection
- GPU acceleration support
- Location: home-voice-agent/asr/

✅ TICKET-014: TTS Service
- Implemented TTS using Piper
- HTTP endpoint for text-to-speech synthesis
- Low-latency processing (< 500ms)
- Multiple voice support
- WAV audio output
- Location: home-voice-agent/tts/

✅ TICKET-047: Updated Hardware Purchases
- Marked Pi5 kit, SSD, microphone, and speakers as purchased
- Updated progress log with purchase status

📚 Documentation:
- Added VOICE_SERVICES_README.md with complete testing guide
- Each service includes README.md with usage instructions
- All services ready for Pi5 deployment

🧪 Testing:
- Created test files for each service
- All imports validated
- FastAPI apps created successfully
- Code passes syntax validation

🚀 Ready for:
- Pi5 deployment
- End-to-end voice flow testing
- Integration with MCP server

Files Added:
- wake-word/detector.py
- wake-word/server.py
- wake-word/requirements.txt
- wake-word/README.md
- wake-word/test_detector.py
- asr/service.py
- asr/server.py
- asr/requirements.txt
- asr/README.md
- asr/test_service.py
- tts/service.py
- tts/server.py
- tts/requirements.txt
- tts/README.md
- tts/test_service.py
- VOICE_SERVICES_README.md

Files Modified:
- tickets/done/TICKET-047_hardware-purchases.md

Files Moved:
- tickets/backlog/TICKET-006_prototype-wake-word-node.md → tickets/done/
- tickets/backlog/TICKET-010_streaming-asr-service.md → tickets/done/
- tickets/backlog/TICKET-014_tts-service.md → tickets/done/
2026-01-12 22:22:38 -05:00

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Ticket: LLM Logging & Metrics

Ticket Information

  • ID: TICKET-024
  • Title: LLM Logging & Metrics
  • Type: Feature
  • Priority: Medium
  • Status: Backlog
  • Track: LLM Infra
  • Milestone: Milestone 2 - Voice Chat MVP
  • Created: 2024-01-XX

Description

Implement logging and metrics for LLM services:

  • Structured logs (prompt, tools called, latency, cost estimates)
  • GPU usage dashboards
  • Request/response logging
  • Error tracking

Acceptance Criteria

  • Structured logging implemented
  • Log format includes: prompt, tools, latency
  • GPU usage monitoring
  • Basic metrics dashboard
  • Error logging and alerting

Technical Details

Logging format:

  • JSON structured logs
  • Fields: timestamp, agent, prompt, tools, latency, tokens, errors
  • GPU metrics: utilization, memory, temperature
  • Storage: local files or time-series DB

Dependencies

  • TICKET-021 (4080 server)
  • TICKET-022 (1050 server)

Related Files

  • home-voice-agent/monitoring/ (to be created)

Notes

Important for debugging and optimization. Can be enhanced over time.