measure: final push-hook arm on all 252 pilot changes (0/12, 2.1 false alarms per 100) and the combined whole-tool score

Co-Authored-By: Claude Opus 5.5 <[email protected]>

benchmarks/measurements/2026-10-12-valid-benchmark-pilot/metrics_a.json

@@ -0,0 +1,52 @@
+{
+  "exploit_verified": {
+    "count": 0,
+    "flagged_positive_pushes": 0,
+    "flagged_positives": 0,
+    "n": 0,
+    "not_yet_proved": [],
+    "rate": null,
+    "status": "measured",
+    "wilson95": [
+      null,
+      null
+    ]
+  },
+  "false_alarms_per_100_pushes": {
+    "cluster95": [
+      0.42194092827004215,
+      4.166666666666666
+    ],
+    "count": 5,
+    "icc": 0.004133404058911234,
+    "n": 238,
+    "rate": 2.100840336134454,
+    "wilson95": [
+      0.9005985705189141,
+      4.822817086671577
+    ]
+  },
+  "headline": "On unseen app repos: recall 0.0% (Wilson 0.0-24.3), false alarms 2.1 per 100 pushes, precision 0.0%; exploit-verified 0 of 0.",
+  "precision": {
+    "count": 0,
+    "n": 5,
+    "rate": 0.0,
+    "wilson95": [
+      0,
+      0.43449149475208104
+    ]
+  },
+  "recall": {
+    "cluster95": [
+      0.0,
+      0.0
+    ],
+    "count": 0,
+    "n": 12,
+    "rate": 0.0,
+    "wilson95": [
+      0,
+      0.2425007574992425
+    ]
+  }
+}