Function require_model_root

src/framework/assets/resource_bundle.cpp:11–16

namespace {

std::filesystem::path require_model_root(const std::filesystem::path & model_root) {
    if (model_root.empty()) {
        throw std::runtime_error("asset model_root is required for model-relative resources");
    }
    return model_root;
}

std::filesystem::path resolve_model_file(
    const std::filesystem::path & model_root,