feat(agent): complete closed-loop runtime and pricing fallback

backend/tests/unit/v1/agent/test_owner_guard.py

@@ -0,0 +1,16 @@
+from __future__ import annotations
+
+from uuid import uuid4
+
+import pytest
+from fastapi import HTTPException
+
+from core.auth.models import CurrentUser
+from v1.agent.service import ensure_session_owner
+
+
+def test_owner_guard_denies_non_owner() -> None:
+    user = CurrentUser(id=uuid4(), email="self@example.com")
+
+    with pytest.raises(HTTPException):
+        ensure_session_owner(owner_id="other-user", current_user=user)