Add quality criteria registry

tests/test_quality_criteria.py

@@ -0,0 +1,51 @@
+from repo_registry.acceptance import (
+    active_quality_criteria_version,
+    criteria_registry_markdown,
+    load_quality_criteria,
+)
+
+
+def test_quality_criteria_registry_is_versioned_and_reviewable():
+    registry = load_quality_criteria()
+
+    assert registry.schema_version == "quality-criteria-registry/v1"
+    assert registry.criteria_version == "repo-scoping-quality-criteria/v1"
+    assert registry.status == "active"
+    assert {criterion.id for criterion in registry.criteria} == {
+        "RREG-QC-001",
+        "RREG-QC-002",
+        "RREG-QC-003",
+        "RREG-QC-004",
+        "RREG-QC-005",
+        "RREG-QC-006",
+    }
+    for criterion in registry.criteria:
+        assert criterion.description
+        assert criterion.severity in {"low", "medium", "high", "critical"}
+        assert criterion.deterministic_action in {
+            "pass",
+            "requires_review",
+            "downgraded",
+            "rejected",
+            "invalidated",
+            "merged",
+            "flagged",
+        }
+        assert criterion.deterministic_action != "approve"
+        assert criterion.deterministic_action_when
+        assert criterion.reviewer_guidance
+
+
+def test_quality_criteria_markdown_lists_transparent_review_guidance():
+    registry = load_quality_criteria()
+
+    markdown = criteria_registry_markdown(registry)
+
+    assert "# Quality Criteria Registry" in markdown
+    assert "RREG-QC-002: Native Utility Is Repo-Owned" in markdown
+    assert "Deterministic action: `downgraded`" in markdown
+    assert "Reviewer guidance:" in markdown
+
+
+def test_active_quality_criteria_version_matches_registry():
+    assert active_quality_criteria_version() == "repo-scoping-quality-criteria/v1"