- Add semantic coloring to help output (section headers, flags, types)
- Reorganize commands into clearer categories:
- "Views & Reports" for readonly queries (ready, stats, blocked, etc.)
- "Maintenance" for health/repair tasks (doctor, validate, migrate, etc.)
- Merge "Issue Metadata" back into "Working With Issues"
- Highlight "doctor" as primary maintenance entry point with "(start here)"
- Create docs/UI_PHILOSOPHY.md documenting Tufte-inspired design principles
- Add guidance for PR to not include .beads/issues.jsonl
