Complete extension SDK maturity

extensions/sdk-fixture/runners/native_probe.py

@@ -0,0 +1,36 @@
+"""SDK fixture runner that writes a native result artifact."""
+
+from __future__ import annotations
+
+import json
+from pathlib import Path
+
+
+def run(context: dict) -> dict:
+    run_dir = Path(context["run_dir"])
+    artifact_path = run_dir / "artifacts" / "sdk-fixture" / "native-result.json"
+    artifact_path.parent.mkdir(parents=True, exist_ok=True)
+    native_result = {
+        "native_status": "ok",
+        "native_score": 98,
+        "observations": [
+            "SDK fixture native probe completed."
+        ],
+        "requirement_refs": [
+            "guide-board.sdk-fixture.v1.native-output"
+        ],
+    }
+    artifact_path.write_text(json.dumps(native_result, indent=2, sort_keys=True), encoding="utf-8")
+    artifact_ref = str(artifact_path.relative_to(run_dir))
+    return {
+        "result": "unknown",
+        "observations": [
+            "SDK fixture runner wrote native output for normalization."
+        ],
+        "facts": {
+            "native_result_ref": artifact_ref
+        },
+        "artifact_refs": [
+            artifact_ref
+        ],
+    }