FLEX-WP-0022-T03: the rules already refused a foreign tenant; the fixture
suites never varied the field. No policy or version change. Asked
tenant-engine to name the CheckRequest tenant relation for T01/T02.
Assistant: grok
Assistant-Session: 01a0a6cb-0334-72c0-83b0-2df57474a0f6
Add production_registry_snapshot.json from ops-warden inventory with CI
coverage for real actors, IAM subject binding, ttl_out_of_bounds, and
unknown_actor_resource. Extend serve contract tests with /healthz and
publish the registry sync contract for operator deployment.
