Create docs/USER-GUIDE.md as a detailed companion to the README, covering:
- Workflow diagrams (project lifecycle, planning coordination, execution waves, brownfield)
- Command reference with "When to Use" guidance for each command
- Full config.json schema including workflow toggles, git branching, and per-agent model profiles
- Practical usage examples for common scenarios
- Troubleshooting section for common issues
- Recovery quick reference table
Add link from README navigation bar and Configuration section to the User Guide.
Closes#457
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>