v2.0.0: Silero TTS — production-ready multilingual TTS Replaced XTTS-v2 with Silero Models: - 50+ speakers across 15+ languages (Kazakh, Russian, English, Tatar, Uzbek, etc.) - GPU-accelerated: ~108 req/s, <50ms avg latency - Auto-chunking: texts up to 10000 chars split by sentences automatically - Async inference lock for thread safety - Input validation (speaker, sample_rate, speed, text length) - Generation timeout (504 on exceed) - Optional API Key auth (Bearer token) - OpenAI-compatible API (/v1/audio/speech) - Pinned dependencies and Silero hub version - Health check endpoint