Initial commit: VMware vSphere API simulator scaffold.

Add the FastAPI app, PostgreSQL migrations, Docker/Helm packaging, API
contracts, docs, client examples, and the unit/integration/compatibility
test suite for local client and tooling labs without a real vCenter.

scripts/write_vsphere_bundles.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+"""Regenerate contracts/vsphere/*/manifest.json stub OpenAPI matrices."""
+
+from __future__ import annotations
+
+from app.vsphere.contracts.matrix import write_bundles
+
+
+def main() -> int:
+    written = write_bundles()
+    for path in written:
+        print(path)
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())