# Statechart Explainer

- **Parallel region** ensures Ingestion, Council, and Environment advance independently with clear READY prerequisites for EXECUTION.
- **REVERB** is the only phase for final submissions, aligning with BACKBEAT's reverb concept.
- **QUARANTINED** is sticky; human or policy change required to exit.
- Every transition is guarded by time windows (BACKBEAT) and policy engines when applicable.