feat: complete ONI Agent project with full Mod API, Python toolchain, and development guide
- Implement all Mod API endpoints (buildings, research, geysers, alerts, critters, deconstruct, prioritize, research, schedule, wardrobe)
- Enhance Python tools with comprehensive CLI, analysis (O2/food/power/temp/water), and 7 blueprints (SPOM, toilet, ranch, farm, cooling, bedroom)
- Add utility scripts: auto_repair, auto_analyze, watch mode, setup
- Write Agent-Mod integration constraints and development guide
- Create skills directory with ONI agent skill definition