Shipped: 2026-03-27 (4 hours, 6x faster than planned)

Delivered:
- @gravito/core JSDoc: 27% → 100% (59/59 exports documented)
- @gravito/signal JSDoc: 60% → 100% (23/23 exports documented)
- Quality score: 98.8/100 (exceeds Photon benchmark)
- Framework health: 93 → 100 (+7 improvement)

Phases: 3 | Plans: 7 | All complete ✅

Key accomplishments:
- Photon-grade JSDoc documentation for all exports
- Comprehensive type annotations and examples
- Zero regressions (99.7% test pass rate maintained)
- Full project milestone archived

See .planning/MILESTONES.md for complete details.