fix: update tool counts and endpoint numbers to match code
- MCP tools: 25→28 (Architecture.md, Home.md, MCP-Tools.md)
- REST endpoints: 30+→40+ (Architecture.md)
- Modules: 14→15, tests: 437→553 (Home.md)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>