=== ROUTER STEP FACTS CONTRACT VALIDATION ===
step=STEP_044P_ACTIVITY_SAMPLER_APPLY_AFTER_NEW_CONTROLLED_DELTA
decision=PASS
all_ok=True
structure_ok=True
success_ok=True
expected_absence_ok=True
blockers_ok=True
success_checks_count=48
expected_absence_count=9

warnings:
  - STEP_044P temporarily replaces VM100 target peer for controlled traffic, restores it, then runs installed sampler --apply.
  - VM121 DB is intentionally changed by sampler baselines/state update only.
  - Rollback SQL is saved on VM121 for sampler fields.
  - No systemd timer is enabled.