Start Core Hub FastAPI replacement foundation

scripts/export_openapi.py

@@ -0,0 +1,23 @@
+import json
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(ROOT / "src"))
+
+from core_hub.app import create_app  # noqa: E402
+
+
+def main() -> int:
+    target = Path(sys.argv[1]) if len(sys.argv) > 1 else None
+    payload = json.dumps(create_app().openapi(), indent=2, sort_keys=True) + "\n"
+    if target:
+        target.parent.mkdir(parents=True, exist_ok=True)
+        target.write_text(payload, encoding="utf-8")
+    else:
+        sys.stdout.write(payload)
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())