function saveToUserStorage(force = false) {
    const currentTime = new Date().getTime();
    const lastSaveTimestamp = parseInt(localStorage.getItem('lastSaveTimestamp') || '0');
    if (!force && currentTime - lastSaveTimestamp < 5000) {
        return;
    }
    const data = {};
    document.querySelectorAll('input, textarea, select').forEach(input => {
        data[input.id] = input.value;
    });
    localStorage.setItem('gemini_prompt', JSON.stringify(data));
    localStorage.setItem('lastSaveTimestamp', currentTime.toString());
    return true;
}
function loadFromUserStorage() {
    const data = JSON.parse(localStorage.getItem('gemini_prompt')) || {};
    document.querySelectorAll('input, textarea, select').forEach(input => {
        let v = data[input.id] || "";
        if (v) {
            if (input.type === "number") {
                v = parseInt(v);
            }
            input.value = v;
        }
    });
    // エンドポイントが保存されていない場合、デフォルト値を設定
    if (!data.endpointSelect) {
        document.getElementById('endpointSelect').value = "gemini-1.5-pro-exp-0827";
    }
}