Implement source lock and submission package baseline

extensions/sdk-fixture/normalizers/native_probe.py

@@ -25,4 +25,8 @@ def normalize(context: dict) -> dict:
             artifact_ref
         ],
         "requirement_refs": native_result.get("requirement_refs", []),
+        "metadata": {
+            "normalizer_id": "native-probe-normalizer",
+            "native_result_id": "sdk-fixture-native-result"
+        },
     }