pref("provider", "");
pref("apiBaseUrl", "");
pref("apiKey", "");
pref("model", "");
pref("openrouterReferer", "https://github.com/chatpapers/chatpapers");
pref("openrouterTitle", "ChatPapers");
pref("temperature", "0.3");
pref("maxTokens", 2048);
pref("timeoutMs", 120000);
pref("maxContextChars", 100000);
pref("answerLanguage", "zh-CN");
pref("systemPrompt", "");
pref("summaryPrompt", "");
pref("sendMetadata", true);
pref("verboseLog", false);
pref("ttsProvider", "");
pref("ttsApiKey", "");
pref("ttsVoice", "");
pref("lectureTeacherStyle", "balanced");
pref("mineruPath", "");
pref("piperPath", "");
pref("piperModelPath", "");
pref("chatPaneAdaptiveHeight", true);
pref("lecturePaneAdaptiveHeight", true);