Archive roadmap and requirements to milestones/, update PROJECT.md with shipped state, collapse ROADMAP.md, update retrospective. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Archive roadmap and requirements to milestones/, reorganize ROADMAP.md, evolve PROJECT.md with shipped state, create retrospective. 4 phases, 11 plans, 16/16 requirements — all complete. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>