- Add 16 lifecycle skills covering Define→Plan→Build→Verify→Review→Ship
- Add 6 specialist agents (planner, tdd-guide, build-error-resolver, docs-lookup, e2e-runner, harness-optimizer)
- Add 5 lifecycle aliases (/spec, /build, /test, /code-simplify, /ship)
- Add 5 runtime/orchestration commands (/verify, /sessions, /checkpoint, /resume-session, /orchestrate)
- Slim core lifecycle command docs (specify 303→79, plan 582→79, work 673→95, review 237→70, research 249→80)
- Consolidate simplify family (ai-eng/simplify as alias for code-simplification)
- Add skills-first-map, workflow-surface-matrix, orchestration-contract, prompt-optimization-contract, catalog-model docs
- Add content parity validation tests (bun:test)
- Synchronize all inventories and reference docs
- Bump version to 1.2.0