rlmesh_model_run
NULL options means INIT; zero-initialized options are refused. Result remains NULL on failure. Hooks/targets are borrowed until the call returns. Instruction is copied. A local Model.run refuses view; use a session for local viewing.
RLMeshStatus rlmesh_model_run(
RLMeshModel* model,
RLMeshEnvTarget env_or_address,
const RLMeshRunOptions* options,
RLMeshRunResult** out
)