rlmesh_ext_remote_model_new_with_token
Env construction connects; Model construction only validates. Remote I/O is exclusive, while immutable accessors/cancellation may overlap any call. Accessor pointers remain borrowed until free, including after close.
RLMeshStatus rlmesh_ext_remote_model_new_with_token(
const RLMeshRemoteModelOptions* options,
const char* token,
RLMeshRemoteModel** out
)