- Create new proposal-status.md command
- Shows all proposals with status (Pending, In Progress, Implemented, Abandoned)
- Tree view of implementations under each proposal
- Links to issues and lessons learned
- Update README with new command documentation
Phase 4 of V04.1.0 Wiki-Based Planning Enhancement.
Closes#164
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
