chore(aiwg): adopt shared BT6 maintainer workflow (#148)

* docs(policy): allow low-impact contributor courtesy cleanup

* chore(aiwg): migrate to shared BT6 maintainer plugin

* chore: reconcile delivery validation

src/__tests__/ui-inline-scripts-parse.test.ts

@@ -99,5 +99,5 @@ describe('docs/index.html inline scripts — semantic defect gate (#111 hardenin
       }
     });
     expect(findings, findings.join('\n')).toEqual([]);
-  });
+  }, 15_000);
 });