Implement observe/reconcile/update-task-status CLI path: workplan parse, JSON projection index, git-backed task status writeback with correlation events, and E2E pytest plus evidence artifacts. Finish foundation workplan.
Accept ADR-001: Python 3.12, FastAPI, Postgres/SQLAlchemy async, src layout, uv/hatchling, pytest. Scaffold package, rmgr CLI stub, and version tests.