implement ops hub extension contract

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a053ff-1d6f-7fe2-ac1c-a6eb40a42a0c

scripts/hub-core-conformance.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+"""Run Ops Hub's package through a disposable hub-core reference runtime."""
+
+from __future__ import annotations
+
+import argparse
+import json
+import sys
+from pathlib import Path
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("--hub-core-repo", type=Path, default=Path("../hub-core"))
+    args = parser.parse_args()
+    sys.path.insert(0, str(args.hub_core_repo.resolve()))
+
+    from fastapi.testclient import TestClient
+    from hub_core.conformance import ConformanceHarness
+    from hub_core.runtime.app import create_app
+    from hub_core.runtime.config import RuntimeSettings
+    from hub_core.runtime.store import InMemoryPortStore
+    from ops_hub.extension_contract import load_extension_package
+
+    settings = RuntimeSettings(environment="test", backend="memory", allow_ephemeral=True)
+    target = TestClient(create_app(settings=settings, port_store=InMemoryPortStore()))
+    harness = ConformanceHarness(target)
+    harness.package = load_extension_package()
+    report = harness.run()
+    print(json.dumps(report.to_dict(), indent=2, sort_keys=True))
+    return 0 if report.passed else 1
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())