Function parse_foreach_source

app/workflow/workflow.cpp:942–953

    const auto mixed = engine::audio::mix_audio_to_reference_shape(inputs, normalize);
    const auto output = resolve_workflow_path(workflow_string(step, "output"), context);
    if (!output.parent_path().empty()) {
        std::filesystem::create_directories(output.parent_path());
    }
    engine::audio::WavPcm16Sink().write(output, engine::audio::AudioBuffer{
        mixed.sample_rate,
        mixed.channels,
        mixed.samples,
    });
    context.values[id + ".audio_path"] = output.string();
    std::cout << "workflow_step=" << id << "\n";
    std::cout << "audio_path=" << output.string() << "\n";
}

std::string parse_foreach_source(const engine::io::json::Value & step) {
    std::string value = workflow_string(step, "foreach");