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Tier 3: Medium-Term Architectural Enhancements - Implementation Plan
Tier 3 introduces **5 advanced architectural features** that significantly enhance the voice control system's robustness, intelligence, and user experience.
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Tier 3 introduces **5 advanced architectural features** that significantly enhance the voice control system's robustness, intelligence, and user experience.
**Goal:** Create a production-grade, intelligent voice control system that works offline, supports multiple languages, learns from usage, and anticipates user needs.
### Objective Automatically switch to local Whisper model when Gemini API is unavailable (network issues, API outage, rate limits).
1. **WhisperFallbackEngine** (new class) - Uses `openai-whisper` library - Model: `tiny.en` or `base.en` for speed - Real-time audio buffering (1-2 second chunks) - VAD (Voice Activity Detection) for efficiency
2. **HealthMonitor** (new class) - Pings Gemini API every 30s - Tracks consecutive failures - Triggers auto-switch after 2 failures
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