v1.0.0 - OpenAI-compatible TTS server with XTTS-v2 Features: - POST /v1/audio/speech (OpenAI-compatible) - GET /v1/models, /v1/voices, /health - Authorization via API_KEY env (optional) - model=text-to-speech required - Default voice embedded in image - GPU auto-detection (CUDA) - LiteLLM proxy compatible - Port 8000