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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Markdown

# Weather Tool Setup
The weather tool uses the OpenWeatherMap API to get real-time weather information.
## Setup
1. **Get API Key** (Free tier available):
- Visit https://openweathermap.org/api
- Sign up for a free account
- Get your API key from the dashboard
2. **Set Environment Variable**:
```bash
export OPENWEATHERMAP_API_KEY="your-api-key-here"
```
3. **Or add to `.env` file** (if using python-dotenv):
```
OPENWEATHERMAP_API_KEY=your-api-key-here
```
## Rate Limits
- **Free tier**: 60 requests per hour
- The tool automatically enforces rate limiting
- Requests are tracked per hour
## Usage
The tool accepts:
- **Location**: City name (e.g., "San Francisco, CA" or "London, UK")
- **Units**: "metric" (Celsius), "imperial" (Fahrenheit), or "kelvin" (default: metric)
## Example
```python
# Via MCP
{
"method": "tools/call",
"params": {
"name": "weather",
"arguments": {
"location": "New York, NY",
"units": "metric"
}
}
}
```
## Error Handling
The tool handles:
- Missing API key (clear error message)
- Invalid location (404 error)
- Rate limit exceeded (429 error)
- Network errors (timeout, connection errors)
- Invalid API key (401 error)
## Privacy Note
Weather is an exception to the "no external APIs" policy as documented in the privacy policy. This is the only external API used by the system.