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## NEW IN V2.1.1
- **Conversation Persistence:** Save, load, and list your neural sessions with `/save`, `/load`, and `/sessions`.
- **Machine-Bound Key Encryption:** Your API keys are now encrypted using a machine-specific hardware ID. Keys are locked to your device for pro-level security.
- **Config Relocation:** Configuration is now stored in the user home directory (`~/.hacx`) to persist across updates and prevent accidental deletion.
- **Custom Local API Engine:** Replaced `litellm` and `openai` with a standalone, high-performance `api.py` engine. ZERO external API SDK dependencies for maximum speed and control.
- **Reasoning Support:** Optimized rendering for `