diff --git a/ariadne/auth/keycloak.py b/ariadne/auth/keycloak.py
index 173d08a..9b83225 100644
--- a/ariadne/auth/keycloak.py
+++ b/ariadne/auth/keycloak.py
@@ -57,12 +57,18 @@ class KeycloakOIDC:
     def _decode_claims(self, token: str, key: dict[str, Any]) -> dict[str, Any]:
         return jwt.decode(
             token,
-            key=jwt.algorithms.RSAAlgorithm.from_jwk(key),
+            key=self._key_from_jwk(key),
             algorithms=["RS256"],
             options={"verify_aud": False},
             issuer=self._issuer,
         )
 
+    def _key_from_jwk(self, key: dict[str, Any]) -> Any:
+        algorithm = getattr(jwt.algorithms, "RSAAlgorithm", None)
+        if algorithm and hasattr(algorithm, "from_jwk"):
+            return algorithm.from_jwk(key)
+        return jwt.PyJWK.from_dict(key).key
+
     def _validate_audience(self, claims: dict[str, Any]) -> None:
         azp = claims.get("azp")
         aud = claims.get("aud")
diff --git a/scripts/check_docstrings.py b/scripts/check_docstrings.py
index eeea429..3229fa3 100644
--- a/scripts/check_docstrings.py
+++ b/scripts/check_docstrings.py
@@ -8,29 +8,45 @@ import ast
 from pathlib import Path
 
 
+def _is_dataclass_class(node: ast.ClassDef) -> bool:
+    """Return whether a class uses the dataclass decorator."""
+
+    return any(
+        (isinstance(dec, ast.Name) and dec.id == "dataclass")
+        or (isinstance(dec, ast.Call) and isinstance(dec.func, ast.Name) and dec.func.id == "dataclass")
+        for dec in node.decorator_list
+    )
+
+
+def _base_names(node: ast.ClassDef) -> set[str]:
+    """Return simple base class names used by a class definition."""
+
+    return {base.id for base in node.bases if isinstance(base, ast.Name)}
+
+
+def _needs_function_docstring(node: ast.FunctionDef | ast.AsyncFunctionDef, parent_class: str | None) -> bool:
+    """Return whether a public function-like node needs a docstring."""
+
+    if node.name.startswith("_") and node.name != "__init__":
+        return False
+    return not (parent_class and node.name.startswith("_"))
+
+
+def _needs_class_docstring(node: ast.ClassDef) -> bool:
+    """Return whether a public class-like node needs a docstring."""
+
+    bases = _base_names(node)
+    skipped_bases = {"Exception", "RuntimeError", "BaseException", "BaseModel"}
+    return not (node.name.startswith("_") or _is_dataclass_class(node) or bool(bases.intersection(skipped_bases)))
+
+
 def _needs_docstring(node: ast.AST, *, parent_class: str | None = None) -> bool:
     """Return whether `node` should carry an API contract docstring."""
 
     if isinstance(node, (ast.FunctionDef, ast.AsyncFunctionDef)):
-        name = node.name
-        if name.startswith("_") and name != "__init__":
-            return False
-        return not (parent_class and name.startswith("_"))
+        return _needs_function_docstring(node, parent_class)
     if isinstance(node, ast.ClassDef):
-        if node.name.startswith("_"):
-            return False
-        if any(
-            (isinstance(dec, ast.Name) and dec.id == "dataclass")
-            or (isinstance(dec, ast.Call) and isinstance(dec.func, ast.Name) and dec.func.id == "dataclass")
-            for dec in node.decorator_list
-        ):
-            return False
-        if any(
-            isinstance(base, ast.Name) and base.id in {"Exception", "RuntimeError", "BaseException"}
-            for base in node.bases
-        ):
-            return False
-        return not any(isinstance(base, ast.Name) and base.id == "BaseModel" for base in node.bases)
+        return _needs_class_docstring(node)
     return False
 
 
diff --git a/scripts/publish_test_metrics.py b/scripts/publish_test_metrics.py
index 2bb85be..c6d1b8f 100644
--- a/scripts/publish_test_metrics.py
+++ b/scripts/publish_test_metrics.py
@@ -204,11 +204,31 @@ def _supply_chain_check_status(build_dir: Path) -> str:
     return "failed"
 
 
+def _resolve_artifact_paths(repo_root: Path) -> tuple[Path, Path]:
+    """Find coverage and JUnit artifacts even when a test runner uses fallback names."""
+
+    coverage_path = Path(os.getenv("COVERAGE_JSON", "build/coverage.json"))
+    junit_path = Path(os.getenv("JUNIT_XML", "build/junit.xml"))
+    if not coverage_path.exists():
+        for candidate in (
+            repo_root / "build" / "coverage.json",
+            repo_root / "build" / "coverage-summary.json",
+            repo_root / "build" / "coverage" / "coverage-summary.json",
+        ):
+            if candidate.exists():
+                coverage_path = candidate
+                break
+    if not junit_path.exists():
+        junit_candidates = sorted((repo_root / "build").glob("junit*.xml"))
+        if junit_candidates:
+            junit_path = junit_candidates[0]
+    return coverage_path, junit_path
+
+
 def main() -> int:
     repo_root = Path(__file__).resolve().parents[1]
     build_dir = repo_root / "build"
-    coverage_path = os.getenv("COVERAGE_JSON", "build/coverage.json")
-    junit_path = os.getenv("JUNIT_XML", "build/junit.xml")
+    coverage_path, junit_path = _resolve_artifact_paths(repo_root)
     pushgateway_url = os.getenv(
         "PUSHGATEWAY_URL", "http://platform-quality-gateway.monitoring.svc.cluster.local:9091"
     ).strip()
@@ -217,16 +237,19 @@ def main() -> int:
     build_number = os.getenv("BUILD_NUMBER", "")
     commit = os.getenv("GIT_COMMIT", "")
 
+    print(f"[metrics] coverage_path={coverage_path} exists={coverage_path.exists()}")
+    print(f"[metrics] junit_path={junit_path} exists={junit_path.exists()}")
+
     coverage = 0.0
-    if os.path.exists(coverage_path):
-        coverage = _load_coverage(coverage_path)
+    if coverage_path.exists():
+        coverage = _load_coverage(str(coverage_path))
     docs_gate_rc = _load_gate_rc(Path(os.getenv("QUALITY_GATE_DOCS_RC_PATH", str(build_dir / "docs-naming.rc"))))
     source_lines_over_500 = _count_source_files_over_limit(repo_root, max_lines=500)
     totals = {"tests": 0, "failures": 0, "errors": 0, "skipped": 0}
     test_cases: list[tuple[str, str]] = []
-    if os.path.exists(junit_path):
-        totals = _load_junit(junit_path)
-        test_cases = _load_junit_cases(junit_path)
+    if junit_path.exists():
+        totals = _load_junit(str(junit_path))
+        test_cases = _load_junit_cases(str(junit_path))
     passed = max(totals["tests"] - totals["failures"] - totals["errors"] - totals["skipped"], 0)
 
     outcome = "ok"
@@ -284,10 +307,15 @@ def main() -> int:
         "# TYPE ariadne_quality_gate_build_info gauge",
         f"ariadne_quality_gate_build_info{_label_str(labels)} 1",
     ]
-    payload_lines.extend(
-        f'platform_quality_gate_test_case_result{{suite="{suite}",test="{_escape_label(test_name)}",status="{_escape_label(test_status)}"}} 1'
-        for test_name, test_status in test_cases
-    )
+    if test_cases:
+        payload_lines.extend(
+            f'platform_quality_gate_test_case_result{{suite="{suite}",test="{_escape_label(test_name)}",status="{_escape_label(test_status)}"}} 1'
+            for test_name, test_status in test_cases
+        )
+    else:
+        payload_lines.append(
+            f'platform_quality_gate_test_case_result{{suite="{suite}",test="__no_test_cases__",status="skipped"}} 1'
+        )
     payload_lines.extend(
         f'ariadne_quality_gate_checks_total{{suite="{suite}",check="{check_name}",result="{check_status}"}} 1'
         for check_name, check_status in checks.items()
diff --git a/tests/test_auth.py b/tests/test_auth.py
index 32f71e2..0472328 100644
--- a/tests/test_auth.py
+++ b/tests/test_auth.py
@@ -20,7 +20,7 @@ def test_keycloak_verify_accepts_matching_audience(monkeypatch) -> None:
     kc = KeycloakOIDC("https://jwks", "https://issuer", "portal")
 
     monkeypatch.setattr(kc, "_get_jwks", lambda force=False: {"keys": [{"kid": "test"}]})
-    monkeypatch.setattr(jwt.algorithms.RSAAlgorithm, "from_jwk", lambda key: "dummy")
+    monkeypatch.setattr(kc, "_key_from_jwk", lambda key: "dummy")
     monkeypatch.setattr(
         jwt,
         "decode",
@@ -36,7 +36,7 @@ def test_keycloak_verify_rejects_wrong_audience(monkeypatch) -> None:
     kc = KeycloakOIDC("https://jwks", "https://issuer", "portal")
 
     monkeypatch.setattr(kc, "_get_jwks", lambda force=False: {"keys": [{"kid": "test"}]})
-    monkeypatch.setattr(jwt.algorithms.RSAAlgorithm, "from_jwk", lambda key: "dummy")
+    monkeypatch.setattr(kc, "_key_from_jwk", lambda key: "dummy")
     monkeypatch.setattr(
         jwt,
         "decode",
@@ -73,7 +73,7 @@ def test_keycloak_verify_refreshes_jwks(monkeypatch) -> None:
         return {"keys": [{"kid": "test"}]}
 
     monkeypatch.setattr(kc, "_get_jwks", fake_get_jwks)
-    monkeypatch.setattr(jwt.algorithms.RSAAlgorithm, "from_jwk", lambda key: "dummy")
+    monkeypatch.setattr(kc, "_key_from_jwk", lambda key: "dummy")
     monkeypatch.setattr(
         jwt,
         "decode",