rlmesh_dict_from_spec
Dict(spaces): copies each spec into a fresh child space; the keys sort at construction. Duplicate or empty keys are RLMESH_ERR_INVALID_ARGUMENT. Lend a space's spec with rlmesh_space_spec().
RLMeshStatus rlmesh_dict_from_spec(
const RLMeshSpaceSpec* spec,
RLMeshDict** out
)