// Audio path helpers for reusable modules.

// Resolves an audio path with optional extension fallback.
// Checks exact path first, then ".ogg", then ".wav".
string resolve_audio_path(const string audioPath) {
    if (audioPath == "") {
        return "";
    }

    if (file_exists(audioPath)) {
        return audioPath;
    }

    string oggPath = audioPath + ".ogg";
    if (file_exists(oggPath)) {
        return oggPath;
    }

    string wavPath = audioPath + ".wav";
    if (file_exists(wavPath)) {
        return wavPath;
    }

    return "";
}