=== ROUTER STEP FACTS CONTRACT VALIDATION ===
step=STEP_047B_V7_ACTIVITY_PIN_AND_IDLE_REBALANCE_CANARY
decision=PASS
all_ok=True
structure_ok=True
success_ok=True
expected_absence_ok=True
blockers_ok=True
success_checks_count=46
expected_absence_count=4

warnings:
  - This step intentionally creates a temporary selector imbalance and marks .10 synthetic-active.
  - Expected result: .10 remains pinned, idle .11 is moved back to cs2.
  - Final selector is restored and production commit loop remains enabled/running.