- Created AUTOPROOF_INFRASTRUCTURE.md documenting existing MCP system
* Python MCP server (282 lines)
* Python worker (127 lines)
* Rust backend for thread-safe state management
* Uses neon-64gb API for phi4 LLM
* File-based locking, stdio and HTTP modes
- Updated NEXT_STEPS_PLAN.md to clarify containerization NOT required
* Infrastructure already functional without containers
* Containerization is optional medium-term enhancement
