Upgrade LocalAI from v2.25.0 to v3.9.0 with new features:
- **Agent Jobs Panel**: Schedule and manage background agentic tasks
- **Memory Reclaimer**: LRU eviction for loaded models, automatic VRAM cleanup
- **VibeVoice backend**: New voice synthesis support
Update README with:
- v3.9 feature highlights
- Complete CLI command reference
- Model presets table (tinyllama, phi2, mistral, gte-small)
- API endpoints documentation
- SecuBox Couche 2 integration notes
This is part of the v0.18 AI Gateway roadmap.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>