What problem does it solve? It prevents unreviewed implementation plans from reaching execution by routing every plan through a critic agent verdict, revision cycles, and hard-stop checklists. ## Core Features & Use Cases - Plan Review Gate: Delegates the full plan.md and codebase context to the active swarm's critic agent and branches on APPROVED, NEEDS_REVISION, or REJECTED verdicts. - Bounded Revision Loops: Allows up to two revision-and-resubmit cycles before requiring user intervention on rejection. - Spec Drift Guard: Blocks save_plan and related tools when spec-staleness.json exists, forcing the user to run /swarm clarify or acknowledge the drift. - Use Case: After drafting .swarm/plan.md for a multi-phase feature, the architect runs this gate once; the critic flags a missing migration step, the plan is revised and resubmitted, and only then does execution begin. ## Quick Start Ask the architect to run the critic gate on the newly written .swarm/plan.md before starting any implementation.