=== ROUTER STEP FACTS CONTRACT VALIDATION ===
step=STEP_046E_VM100_LOCAL_ACTIVITY_SAMPLER_DRYRUN
decision=PASS
all_ok=True
structure_ok=True
success_ok=True
expected_absence_ok=True
blockers_ok=True
success_checks_count=50
expected_absence_count=12

warnings:
  - This step runs local sampler logic on VM100 via stdin and installs nothing.
  - Live traffic deltas are allowed; success checks only require parse/counter pairs/nonnegative deltas.
  - Old VM130/VM121 sampler/rebalancer remains prototype-only and real --apply remains refused.