Add quality gate override flow

tests/test_quality_gates.py

@@ -164,3 +164,18 @@ def test_analysis_records_deterministic_gate_review_decision(tmp_path):
     assert gate_decision.criteria_version == "repo-scoping-quality-criteria/v1"
     assert "without approving registry truth" in gate_decision.rationale
     assert service.ability_map(repository.id).abilities == []
+
+    override = service.record_quality_gate_override(
+        repository.id,
+        summary.analysis_run.id,
+        criterion_id="RREG-QC-002",
+        element_type="capability",
+        element_id=10,
+        reason="Curator confirmed this repo now owns provider routing.",
+        notes="Future criteria update may be needed.",
+    )
+    assert override.action == "quality_gate_override"
+    assert override.reviewer_type == "human"
+    assert override.decision_kind == "override"
+    assert override.criterion_ids == ["RREG-QC-002"]
+    assert override.rationale == "Curator confirmed this repo now owns provider routing."