- Move all plans from plans/ to .claude/plans/ (41 files)
- Add open plans listing to whats-next.md for visibility
- Update docs pipeline (update-plans-data.ts) for new paths
- Rewrite .github/copilot-instructions.md with Swift 6.0 constraint
- Add CONTRIBUTING.md, PR template, AGENTS.md, .cursor/rules, .windsurfrules
- Update global references (~/.claude/CLAUDE.md, project-structure.md)
phranck