feat: stabilize OpenSim interactions and landmarks

docs/grid-agent-acceptance.md

@@ -111,9 +111,9 @@ hash. Do not record vendor presets or identifiers. Exercise, in order:
 5. As a privileged user, build only on controlled land, record transaction and
    object recovery IDs locally, verify no currency operation exists, and delete
    every created prim through the ownership-checked cleanup path.
-6. Accept a controlled landmark offer, use a short bounded folder schedule,
-   teleport, then disable the schedule. Capture the synthetic scene and ask
-   one visual question. Record the endpoint
+6. Create and catalog a current-location landmark, accept a controlled landmark
+   offer, use a short bounded folder schedule, teleport, then disable the
+   schedule. Capture the synthetic scene and ask one visual question. Record the endpoint
    capability fallback if image input is rejected.
 7. Gracefully stop. Confirm no pending approvals, scheduled jobs, inventory
    offers, owned test prims, tasks, sockets, or sessions. List any unavoidable