- Rename milestone from 'Features & Extensibility' to 'Multi-Library Support'
- Replace old phases 10-14 (TAG/SMRT/GAP/MB/LAYOUT/PLUG) with 20 multi-library requirements (LIB/LSCAN/VIEW/PLAY/DATA)
- Move deferred features to Future Requirements
- Update research files with multi-library research (Stack, Features, Architecture, Pitfalls)
- Architecture: hybrid model (library_id on audio_files only), libraries in DB, sequential scanning, phantom tracks
- Create 09-01-SUMMARY.md with execution metrics and decisions
- Update STATE.md with plan progress and session continuity
- Update ROADMAP.md: mark 09-01 plan complete
- Mark SCAN-01, SCAN-02, SCAN-03 requirements complete
Archive milestone artifacts:
- milestones/v1.0-ROADMAP.md (full roadmap archive)
- milestones/v1.0-REQUIREMENTS.md (26/26 requirements complete)
- milestones/v1.0-phases/ (8 phase directories with plans, summaries, verifications)
Updated:
- PROJECT.md: full evolution review, all consolidation requirements validated
- ROADMAP.md: collapsed to milestone summary with archive link
- STATE.md: reset for next milestone
- MILESTONES.md: created with stats and accomplishments
- RETROSPECTIVE.md: created with lessons learned
Deleted:
- REQUIREMENTS.md (archived, fresh for next milestone)
8 phases, 17 plans, 34 tasks, 84 tests added, 6 days