- Fix external dependency name (pi-agent-core -> pi-agent)
- Add missing files: hooks/, custom-tools/, skills.ts, github-copilot.ts
- Update components list with all 18 current components
- Add Key Abstractions sections for hooks, custom tools, skills
- Add 'Adding a New Hook Event' to development guide
- Move config.ts to correct location in directory tree
4ec2708bb3