Method require_tensor

src/framework/assets/tensor_source.cpp:453–458

private:
    const engine::io::SafeTensorInfo * find_info(std::string_view name) const noexcept {
        const auto it = index_.tensors.find(std::string(name));
        if (it == index_.tensors.end()) {
            return nullptr;
        }
        return &it->second;
    }

    std::pair<const std::byte *, size_t> require_data_range(const engine::io::SafeTensorInfo & info) const {
        if (bytes_.empty()) {