Create predicate.json

run-b-production-gate/predicate.json

@@ -0,0 +1,10 @@
+{
+  "predicate_id": "exdark_person_operational_gate_v1",
+  "description": "PASS if person precision and recall meet minimum floors at a declared confidence threshold under low-light conditions.",
+  "class": "person",
+  "confidence_threshold": 0.5,
+  "requirements": [
+    { "metric": "precision", "operator": ">=", "threshold": 0.70 },
+    { "metric": "recall", "operator": ">=", "threshold": 0.60 }
+  ]
+}