- Replace broken import from inference import load_model with SeedVCWrapper
- SeedVCWrapper properly loads all models (DiT, Whisper, BigVGAN, CAMPPlus, RMVPE)
- Add support for F0 conditioning and voice conversion parameters
- Implement proper voice conversion using wrapper.convert_voice()
- Keep fallback to passthrough mode if wrapper fails to load
Fixes: Could not import Seed-VC modules: cannot import name 'load_model' from 'inference'