=== ROUTER STEP FACTS CONTRACT VALIDATION ===
step=STEP_046U_REBOOT_SURVIVAL_AND_CHECKPOINT
decision=STOP
all_ok=False
structure_ok=True
success_ok=False
expected_absence_ok=True
blockers_ok=True
success_checks_count=41
expected_absence_count=2

false_success_checks:
  - snapshots_created_at_least_vm100_vm101

warnings:
  - This step intentionally reboots VM100.
  - Production commit loop should survive reboot and no-op on balanced selector.
  - Snapshots are created before reboot where possible.