Initial commit: stateful OpenStack API laboratory simulator.

Ship Keystone auth, multi-service handlers (Yoga→Dalmatian), Compose/Helm
packaging, API contract packs, and pytest/Pulumi coverage labs.

app/simulation/seed_cli.py

@@ -0,0 +1,22 @@
+"""Apply a deterministic simulation seed."""
+
+import asyncio
+import json
+import os
+
+from app.config import get_settings
+from app.simulation.seed import seed_url
+
+
+async def run() -> None:
+    state = await seed_url(
+        get_settings().database_url.get_secret_value(),
+        os.getenv("SEED_PROFILE", "small"),
+        large_nodes=int(os.getenv("SEED_LARGE_NODES", "10")),
+        large_resources=int(os.getenv("SEED_LARGE_RESOURCES", "10000")),
+    )
+    print(json.dumps(state, sort_keys=True))
+
+
+if __name__ == "__main__":
+    asyncio.run(run())