Implementation Readiness Gate Validates that a plan is ready for implementation before agents are spawned. Prevents wasted compute from incomplete plans, missing acceptance criteria, or architectural misalignment. When to Invoke Invoke when: - Router is about to spawn agents for a HIGH or EPIC complexity task - A planner has produced a plan that needs validation before execution - Step 0.6 creation preflight in the router decision workflow Skip when: - Task complexity is TRIVIAL or LOW - Task is a single-file bug fix or documentation update - User has explicitly bypassed the gate via Readines…