=== ROUTER STEP FACTS CONTRACT VALIDATION ===
step=STEP_044M_ACTIVITY_SAMPLER_ONE_SHOT_DB_UPDATE_IMPLEMENT
decision=PASS
all_ok=True
structure_ok=True
success_ok=True
expected_absence_ok=True
blockers_ok=True
success_checks_count=38
expected_absence_count=10

warnings:
  - STEP_044M writes peer_egress_leases sampler baselines/state once, DB-only.
  - Rollback SQL is saved on VM121 and can restore pre-update lease sampler fields.
  - Next step should run a second sampler dry-run/read to confirm deltas go to zero after baseline update.