Modifies 'model' field via Tampermonkey menu, with performance improvements.
// ==UserScript==
// @name Claude AI Response Model Modifier
// @namespace http://tampermonkey.net/
// @version 2.1.3 (Optimized and Cleaned Logs)
// @description Modifies 'model' field via Tampermonkey menu, with performance improvements.
// @author Your Name
// @match https://claude.ai/*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @grant unsafeWindow
// @run-at document-start
// @license MIT
// ==/UserScript==
(function() {
'use strict';
const PREDEFINED_MODELS = [
'claude-opus-4-20250514-claude-ai-pro', 'claude-3-7-sonnet-20250219', 'claude-opus-4-20250514',
];
const CONFIG_KEY_ENABLE_MOD = 'ClaudeMod_EnableModification_v2';
const CONFIG_KEY_TARGET_MODEL = 'ClaudeMod_TargetModelString_v2';
let currentEnableModification;
let currentTargetModelString;
function loadConfig() {
currentEnableModification = GM_getValue(CONFIG_KEY_ENABLE_MOD, true);
currentTargetModelString = GM_getValue(CONFIG_KEY_TARGET_MODEL, PREDEFINED_MODELS[0]);
}
function registerMenuItems() {
const toggleStatusText = '功能开关: 模型修改 (当前: ' + (currentEnableModification ? '已开启' : '已关闭') + ')';
let modelDisplayText = currentTargetModelString || "N/A"; // Handle undefined case
if (modelDisplayText.length > 30) {
modelDisplayText = modelDisplayText.substring(0, 27) + '...';
}
const selectModelText = '选择预定义模型 (当前: ' + modelDisplayText + ')';
GM_registerMenuCommand(toggleStatusText, toggleEnableModification, 't');
GM_registerMenuCommand(selectModelText, selectTargetModelFromList, 's');
GM_registerMenuCommand('设置自定义模型字符串', setCustomTargetModel, 'c');
}
function toggleEnableModification() {
currentEnableModification = !currentEnableModification;
GM_setValue(CONFIG_KEY_ENABLE_MOD, currentEnableModification);
alert('模型修改功能现在已 ' + (currentEnableModification ? '开启 (ON)' : '关闭 (OFF)') + '.');
registerMenuItems();
}
function selectTargetModelFromList() {
let promptMessage = "请选择要使用的模型 (输入序号):\n\n";
PREDEFINED_MODELS.forEach((model, index) => { promptMessage += (index + 1) + '. ' + model + '\n'; });
promptMessage += '\n当前已选 (若修改将保存): ' + (currentTargetModelString || "N/A");
const selection = prompt(promptMessage);
if (selection === null) return;
const selectedIndex = parseInt(selection, 10) - 1;
if (selectedIndex >= 0 && selectedIndex < PREDEFINED_MODELS.length) {
currentTargetModelString = PREDEFINED_MODELS[selectedIndex];
GM_setValue(CONFIG_KEY_TARGET_MODEL, currentTargetModelString);
alert('目标模型已设置为: ' + currentTargetModelString);
registerMenuItems();
} else { alert("无效的选择。"); }
}
function setCustomTargetModel() {
const customModel = prompt("请输入自定义的模型字符串:", currentTargetModelString || PREDEFINED_MODELS[0]);
if (customModel === null) return;
if (customModel.trim() !== "") {
currentTargetModelString = customModel.trim();
GM_setValue(CONFIG_KEY_TARGET_MODEL, currentTargetModelString);
alert('目标模型已自定义为: ' + currentTargetModelString);
registerMenuItems();
} else { alert("自定义模型字符串不能为空。"); }
}
let originalFetch;
let fetchTargetWindow;
if (typeof unsafeWindow !== 'undefined' && typeof unsafeWindow.fetch === 'function') {
fetchTargetWindow = unsafeWindow;
originalFetch = unsafeWindow.fetch;
} else if (typeof window.fetch === 'function') {
fetchTargetWindow = window;
originalFetch = window.fetch;
} else {
console.error('[Claude Mod v2.1.3] CRITICAL ERROR: Fetch function not found!');
}
const TARGET_URL_REGEX = /^\/api\/organizations\/[^\/]+\/chat_conversations\/[^\/]+\?tree=True&rendering_mode=messages&render_all_tools=true$/;
if (typeof originalFetch === 'function') {
fetchTargetWindow.fetch = function(input, init) {
let urlToTest;
if (typeof input === 'string') { urlToTest = input; }
else if (input && typeof input.url === 'string') { urlToTest = input.url; }
else {
// console.warn('[Claude Mod v2.1.3] Could not determine URL from fetch input. Passing through.'); // 保留此警告，但设为可选
return originalFetch.apply(fetchTargetWindow, arguments);
}
// --- 性能优化：前置快速检查 ---
// 仅当功能开启且 URL 初步匹配时，才进行后续的正则匹配
if (!currentEnableModification || !urlToTest.startsWith('/api/organizations/')) {
return originalFetch.apply(fetchTargetWindow, arguments);
}
// --- 对可能的目标 URL 进行正则匹配 ---
const isMatch = TARGET_URL_REGEX.test(urlToTest);
if (isMatch) { // 无需再次检查 currentEnableModification，前面已检查
console.log('[Claude Mod v2.1.3] Intercepted:', urlToTest.substring(0, 120) + (urlToTest.length > 120 ? '...' : ''));
return originalFetch.apply(fetchTargetWindow, arguments)
.then(async (response) => {
if (!response.ok) {
console.warn('[Claude Mod v2.1.3] Original response not OK for intercepted URL:', response.status, response.statusText, urlToTest);
return response;
}
const responseBodyText = await response.text();
let jsonData;
try {
jsonData = JSON.parse(responseBodyText);
} catch (e) {
console.error('[Claude Mod v2.1.3] Failed to parse JSON for:', urlToTest.substring(0,120), e);
return new Response(responseBodyText, { status: response.status, statusText: response.statusText, headers: response.headers });
}
console.log('[Claude Mod v2.1.3] Original model:', jsonData.model); // 保留这些关键操作日志
jsonData.model = currentTargetModelString;
console.log('[Claude Mod v2.1.3] Modified model to:', currentTargetModelString);
const modifiedResponseBody = JSON.stringify(jsonData);
const modifiedResponse = new Response(modifiedResponseBody, { status: response.status, statusText: response.statusText, headers: response.headers });
modifiedResponse.headers.set('Content-Type', 'application/json');
return modifiedResponse;
})
.catch(error => {
console.error('[Claude Mod v2.1.3] Error during fetch modification for:', urlToTest.substring(0,120), error);
throw error;
});
}
// 如果 URL 以 /api/organizations/ 开头，但不完全匹配 TARGET_URL_REGEX
return originalFetch.apply(fetchTargetWindow, arguments);
};
}
function init() {
loadConfig();
registerMenuItems();
let fetchTargetName = "N/A";
if (fetchTargetWindow === unsafeWindow) fetchTargetName = "unsafeWindow";
else if (fetchTargetWindow === window) fetchTargetName = "window";
console.log('[Claude Mod v2.1.3] Script loaded. UI active. Fetch override targeting: ' + fetchTargetName);
console.log('[Claude Mod v2.1.3] Settings: Mod ' + (currentEnableModification ? 'ON' : 'OFF') + ', Model: ' + (currentTargetModelString || "N/A"));
}
init();
})();
// End of script. Ensure NO characters, including spaces or newlines, exist after this line.