nx_stackaudit_targets_gate.nx

nx_stackaudit_targets_gate.nx -- gate for the loop-closer. Proves the EXACT production code path (sax_should_emit + sax_emit_targets_core) against a /tmp queue it writes itself. NEGATIVE CONTROLS are load-bearing: idempotency (an id already in the queue is NOT re-emitted -- the invariant that makes per-beat emission safe), a healthy rung is NEVER targeted, and a re-run against the just- written queue emits ZERO. verdict GREEN iff 6/6. license_tier: ORIGINAL