feat: export aggregate Prometheus metrics

2026-07-18 09:25:56 +07:00
parent 083a1de875
commit 9785e13c82
5 changed files with 70 additions and 2 deletions
@@ -40,6 +40,15 @@ test('overview() returns real aggregated shape, never throws on the repo state',
  assert.ok(o.audit_chain.records >= 0);
 });

+test('prometheusMetrics() exports aggregate-safe operational metrics only', () => {
+  const metrics = new TelemetryService().prometheusMetrics();
+  assert.match(metrics, /^# HELP casan_telemetry_stale/m);
+  assert.match(metrics, /^casan_runs_total \d+/m);
+  assert.match(metrics, /^casan_security_blocks_total \d+/m);
+  assert.match(metrics, /^casan_governance_denials_total \d+/m);
+  assert.doesNotMatch(metrics, /trace_id|tenant|prompt|evidence/i);
+});
+
 test('security()/governance()/cost() return objects with expected keys', () => {
  const svc = new TelemetryService();
  assert.ok(typeof (svc.security() as any).by_status === 'object');