增强 Main 模型选择器（黏性重排、防抖动、自定义项、丝滑切换、隐藏分组与Legacy）；并集成“使用其他模型重试的模型选择器”快捷项与30秒强制模型窗口（自动触发原生项或重试）；可以自定义模型顺序。
// ==UserScript==
// @name ChatGPT多模型选择
// @namespace http://tampermonkey.net/
// @author xiaowu
// @version 1.0.3
// @description 增强 Main 模型选择器（黏性重排、防抖动、自定义项、丝滑切换、隐藏分组与Legacy）；并集成“使用其他模型重试的模型选择器”快捷项与30秒强制模型窗口（自动触发原生项或重试）；可以自定义模型顺序。
// @match https://chatgpt.com/
// @match https://chatgpt.com/?model=*
// @match https://chatgpt.com/?temporary-chat=*
// @match https://chatgpt.com/c/*
// @match https://chatgpt.com/g/*
// @match https://chatgpt.com/share/*
// @run-at document-idle
// @grant none
// @license MIT
// ==/UserScript==
(() => {
'use strict';
const W = typeof unsafeWindow !== 'undefined' ? unsafeWindow : window;
// ---------------- 配置 ----------------
const TEST_ID_SWITCHER = 'model-switcher-dropdown-button';
// 你想要的目标顺序（按 data-testid 后缀）
const DESIRED_ORDER = [
'gpt-5-thinking',
'gpt-5-t-mini',
'gpt-5-instant',
'gpt-5',
'gpt-5-mini',
'o3',
'o4-mini-high',
'o4-mini',
'gpt-4o',
'gpt-4-1',
'o3-pro',
'gpt-5-pro',
];
const ALT_IDS = { 'gpt-4-1': ['gpt-4.1'] };
// 点击后不自动收起菜单的模型（硬编码名单）
const NO_CLOSE_ON_CHOOSE_IDS = new Set([
'gpt-5',
'gpt-5-instant',
'gpt-5-thinking',
'gpt-5-pro',
'gpt-5-t-mini',
]);
// 自定义模型项（若该菜单已经有官方同名项则不重复插入）
const CUSTOM_MODELS = [
{ id: 'o3', label: 'o3' },
{ id: 'o3-pro', label: 'o3 pro' },
{ id: 'gpt-4-1', label: 'GPT 4.1' },
{ id: 'gpt-4o', label: 'GPT 4o' },
{ id: 'o4-mini', label: 'o4 mini' },
{ id: 'o4-mini-high', label: 'o4 mini high' },
{ id: 'gpt-5', label: 'GPT 5 Auto' },
{ id: 'gpt-5-instant',label: 'GPT 5 Instant' },
{ id: 'gpt-5-t-mini', label: 'GPT 5 Thinking Mini' },
{ id: 'gpt-5-mini', label: 'GPT 5 mini' },
{ id: 'gpt-5-thinking', label: 'GPT 5 Thinking' },
{ id: 'gpt-5-pro', label: 'GPT 5 Pro' },
];
// ---------------- 工具 ----------------
const debounce = (fn, wait = 50) => { let t; return (...a) => { clearTimeout(t); t = setTimeout(() => fn.apply(null, a), wait); }; };
// 标准化与美化名称
const CUSTOM_NAME_MAP = new Map(CUSTOM_MODELS.map(m => [m.id.toLowerCase(), m.label]));
const EXTRA_NAME_MAP = new Map(Object.entries({
'gpt-4o': 'GPT 4o',
'gpt-4-1': 'GPT 4.1',
'gpt-4.1': 'GPT 4.1',
'o3': 'o3',
'o3-pro': 'o3 pro',
'o4-mini': 'o4 mini',
'o4-mini-high': 'o4 mini high',
'gpt-5': 'GPT 5 Auto',
'gpt-5-instant': 'GPT 5 Instant',
'gpt-5-t-mini': 'GPT 5 Thinking Mini',
'gpt-5-thinking': 'GPT 5 Thinking',
'gpt-5-pro': 'GPT 5 Pro',
'gpt-5-mini': 'GPT 5 mini',
}));
function normalizeModelId(id) {
if (!id) return '';
return String(id).trim().toLowerCase().replace(/\s+/g, '-').replace(/\./g, '-');
}
function prettyName(id) {
const norm = normalizeModelId(id);
return CUSTOM_NAME_MAP.get(norm) || EXTRA_NAME_MAP.get(norm) || id || '';
}
function setAllSwitcherButtonsModel(modelId) {
if (!modelId) return;
const norm = normalizeModelId(modelId);
const name = prettyName(norm);
document.querySelectorAll(`[data-testid="${TEST_ID_SWITCHER}"]`).forEach((btn) => {
const labelContainer = btn.querySelector('div, span');
if (labelContainer) {
labelContainer.textContent = `ChatGPT ${name}`;
labelContainer.style.color = 'var(--token-text-primary, var(--text-primary, inherit))';
}
btn.setAttribute('aria-label', `Model selector, current model is ${norm}`);
btn.dataset.currentModel = norm;
});
}
function updateAllSwitcherButtonsFromURL() {
const url = new URL(window.location.href);
const currentModel = url.searchParams.get('model');
if (!currentModel) return;
setAllSwitcherButtonsModel(currentModel);
}
function findAssociatedMenu(triggerBtn) {
const id = triggerBtn.getAttribute('id');
if (!id) return null;
return document.querySelector(`[role="menu"][aria-labelledby="${CSS.escape(id)}"]`);
}
// 关闭（收起）与某按钮关联的 Main 模型选择器。
function closeMenu(menuEl) {
try {
const menu = menuEl && (menuEl.closest?.('[role="menu"], [role="listbox"], [data-radix-menu-content]') || menuEl);
if (!menu || !(menu instanceof HTMLElement)) return false;
const labeledBy = menu.getAttribute('aria-labelledby');
if (labeledBy) {
const btn = document.getElementById(labeledBy);
if (btn) {
try { btn.dispatchEvent(new PointerEvent('pointerdown', { bubbles: true })); } catch {}
try { btn.click(); } catch {}
return true;
}
}
// 回退：发送 Escape 事件尝试关闭 Radix 下拉
const target = document.activeElement || menu;
try { target.dispatchEvent(new KeyboardEvent('keydown', { key: 'Escape', code: 'Escape', keyCode: 27, which: 27, bubbles: true })); } catch {}
try { target.dispatchEvent(new KeyboardEvent('keyup', { key: 'Escape', code: 'Escape', keyCode: 27, which: 27, bubbles: true })); } catch {}
return true;
} catch {
return false;
}
}
// 仅识别“Main 模型选择器”（排除包含 Auto/Instant/Thinking/Pro 的“使用其他模型重试的模型选择器”）
// Main 菜单识别：有 Main 菜单签名 + 不包含重试关键字
function isOfficialModelMenu(menuEl) {
if (!menuEl || !(menuEl instanceof HTMLElement)) return false;
const role = menuEl.getAttribute('role');
if (role !== 'menu' && role !== 'listbox') return false;
const items = Array.from(menuEl.querySelectorAll('[role="menuitem"], [data-radix-collection-item]'));
const labels = items.map((el) => {
const t = el.querySelector?.('.truncate');
const raw = (t?.textContent ?? el.textContent ?? '').trim();
return raw.split('\n')[0].trim();
});
const hasVariantMarker = labels.some((l) => /^(Auto|Instant|Thinking(?: mini)?|Pro|Ultra(?:\s*Think(?:ing)?)?)$/i.test(l));
if (hasVariantMarker) return false;
const hasOfficialSignature = !!(menuEl.querySelector('[data-testid^="model-switcher-"]') || menuEl.querySelector('[data-cgpt-turn]'));
if (!hasOfficialSignature) return false;
return true;
}
// ---------------- 黏性重排 ----------------
// 黏性重排：把“我们关心的项”按照 DESIRED_ORDER 的顺序，
// 仅在不一致时最小化 DOM 变动地整体移动，避免 hover 抖动/菜单意外关闭。
const STICKY_REORDER = new WeakMap();
function findItemNode(menu, id) {
let node = menu.querySelector(`[data-radix-collection-item][data-testid="model-switcher-${CSS.escape(id)}"]`)
|| menu.querySelector(`[data-testid="model-switcher-${CSS.escape(id)}"]`)
|| menu.querySelector(`[data-custom-model="${CSS.escape(id)}"]`);
if (!node && ALT_IDS[id]) {
for (const alt of ALT_IDS[id]) {
node = menu.querySelector(`[data-testid="model-switcher-${CSS.escape(alt)}"]`)
|| menu.querySelector(`[data-custom-model="${CSS.escape(alt)}"]`);
if (node) break;
}
}
return node;
}
// 对 Main 模型选择器进行“黏性重排”（与 addCustomModels 配合）。
function applyDesiredOrder(menu) {
// 1) 收集期望顺序中、当前实际存在于该菜单的“顶层项”节点
const desiredNodes = [];
const seen = new Set();
for (const id of DESIRED_ORDER) {
let n = findItemNode(menu, id);
if (!n) continue;
// 升到以 menu 为直接父级的顶层容器，避免移动子层导致 hover 抖动
while (n && n.parentElement && n.parentElement !== menu) n = n.parentElement;
if (!n || seen.has(n)) continue;
seen.add(n);
desiredNodes.push(n);
}
if (desiredNodes.length === 0) return;
// 2) 取当前顺序：按 menu.children 顺序过滤出我们关心的节点
const current = Array.from(menu.children).filter(ch => seen.has(ch));
// 3) 若顺序已匹配，则不做任何 DOM 变动（避免 pointerleave/blur 导致菜单关闭）
const sameOrder = current.length === desiredNodes.length && current.every((n, i) => n === desiredNodes[i]);
if (sameOrder) return;
// 4) 仅在不一致时才整体移动，以最小化变更次数
const frag = document.createDocumentFragment();
desiredNodes.forEach(n => frag.appendChild(n));
menu.appendChild(frag);
}
// UI 微调：压缩 GPT‑5 系列二行描述、统一标题、隐藏“Legacy models”入口和相关分隔线。
function normalizeMenuUI(menu) {
try {
// 压缩 GPT‑5 系列项：去除第二行描述
const g5 = menu.querySelectorAll('[data-testid^="model-switcher-gpt-5"], [data-radix-collection-item][data-testid^="model-switcher-gpt-5"]');
g5.forEach((el) => {
const container = el.querySelector('.min-w-0');
if (!container) return;
const children = Array.from(container.children);
children.forEach((node, idx) => { if (idx >= 1 && node.tagName === 'DIV') node.remove(); });
});
// 标题规范化
const rename = (key, text) => {
const n = menu.querySelector(`[data-radix-collection-item][data-testid="model-switcher-${key}"] .min-w-0 span`)
|| menu.querySelector(`[data-testid="model-switcher-${key}"] .min-w-0 span`);
if (n) n.textContent = text;
};
rename('gpt-5', 'GPT 5 Auto');
rename('gpt-5-instant', 'GPT 5 Instant');
rename('gpt-5-t-mini', 'GPT 5 Thinking Mini');
rename('gpt-5-mini', 'GPT 5 mini');
rename('gpt-5-thinking', 'GPT 5 Thinking');
rename('gpt-5-pro', 'GPT 5 Pro');
// 隐藏 Legacy models 子菜单入口
const toHide = new Set();
const exact = menu.querySelector('[data-testid="Legacy models-submenu"]');
if (exact) toHide.add(exact);
menu.querySelectorAll('[role="menuitem"][data-has-submenu]').forEach((el) => {
const txt = (el.textContent || '').toLowerCase();
const tid = (el.getAttribute('data-testid') || '').toLowerCase();
if (txt.includes('legacy models') || tid.includes('legacy models')) toHide.add(el);
});
toHide.forEach((el) => { el.style.display = 'none'; el.setAttribute('data-ext-hidden','1'); });
// 隐藏“GPT-5”分组标题与紧随的分隔线
menu.querySelectorAll('div.__menu-label.mb-0').forEach((el) => {
const t = (el.textContent || '').trim();
if (t === 'GPT-5') {
el.style.display = 'none';
el.setAttribute('data-ext-hidden','1');
const sep = el.nextElementSibling;
if (sep && sep.getAttribute('role') === 'separator') {
sep.style.display = 'none';
sep.setAttribute('data-ext-hidden','1');
}
}
});
// 保险：具有这些类名的分隔线也隐藏
menu.querySelectorAll('[role="separator"].bg-token-border-default.h-px.mx-4.my-1').forEach((el) => {
el.style.display = 'none';
el.setAttribute('data-ext-hidden','1');
});
} catch {}
}
function ensureStickyReorder(menu) {
if (!menu || STICKY_REORDER.has(menu)) return;
let scheduled = false;
const schedule = () => {
if (scheduled) return;
scheduled = true;
requestAnimationFrame(() => {
scheduled = false;
try { normalizeMenuUI(menu); } catch {}
try { applyDesiredOrder(menu); } catch {}
});
};
const mo = new MutationObserver((muts) => {
for (const m of muts) {
if (m.type === 'childList') { schedule(); break; }
}
});
mo.observe(menu, { childList: true });
STICKY_REORDER.set(menu, mo);
schedule(); // 首次也排一次
}
// ---------------- 自定义项：原生风格 + 丝滑选择 ----------------
// 丝滑选择：
// 1) 立即更新 URL 中的 ?model= 和顶部按钮文案（无闪烁），
// 2) requestAnimationFrame 后尝试点击同 id 的官方项，让后端同步切换。
function selectModelQuick(id) {
// 1) 立即更新 URL 和按钮文案（丝滑）
try {
const url = new URL(window.location.href);
url.searchParams.set('model', id);
history.pushState({}, '', url.toString());
try { window.dispatchEvent(new Event('pushstate')); } catch {}
try { window.dispatchEvent(new Event('locationchange')); } catch {}
try { window.dispatchEvent(new PopStateEvent('popstate')); } catch {}
setAllSwitcherButtonsModel(id);
} catch {}
// 2) 联动点官方同 id 项（让后端状态也切换）
const sel = `[data-radix-collection-item][data-testid="model-switcher-${CSS.escape(id)}"]:not([data-ext-custom])`;
const tryClick = () => {
const el = document.querySelector(sel);
if (!el) return false;
el.dispatchEvent(new PointerEvent('pointerdown', { bubbles: true }));
el.click();
return true;
};
requestAnimationFrame(() => { if (!tryClick()) setTimeout(tryClick, 120); });
}
function createNativeLikeCustomItem(id, label) {
const item = document.createElement('div');
item.setAttribute('role','menuitem');
item.setAttribute('tabindex','0');
item.className = 'group __menu-item';
item.setAttribute('data-radix-collection-item','');
item.setAttribute('data-orientation','vertical');
item.dataset.testid = `model-switcher-${id}`; // data-testid（保持一致，以便排序匹配）
item.setAttribute('data-custom-model', id);
item.setAttribute('data-ext-custom','1'); // 防止被“点官方项”逻辑误点
item.innerHTML = `
<div class="min-w-0">
<span class="flex items-center gap-1">${label || id}</span>
</div>
<div class="trailing"><span class="icon"></span></div>
`;
const swallow = (e) => { e.preventDefault(); e.stopPropagation(); };
item.addEventListener('pointerdown', swallow, { capture: true });
item.addEventListener('mousedown', swallow, { capture: true });
item.addEventListener('click', (e) => {
e.preventDefault(); e.stopPropagation();
const menuRoot = item.closest('[role="menu"], [role="listbox"], [data-radix-menu-content]');
selectModelQuick(id);
// 稍等一拍，确保原生项点击处理完成后再收起菜单
if (!NO_CLOSE_ON_CHOOSE_IDS.has(normalizeModelId(id))) {
setTimeout(() => { try { closeMenu(menuRoot); } catch {} }, 30);
}
}, { capture: true });
return item;
}
// 在“Main 模型选择器”中插入自定义项（仅在该菜单没有同名原生项时）：
// - 插在“最后一个 GPT‑5 官方项”之后（找不到则末尾）
// - 插入后调用 normalizeMenuUI / applyDesiredOrder 统一外观与顺序
function addCustomModels(menuEl) {
if (!menuEl || !(menuEl instanceof HTMLElement)) return;
if (menuEl.dataset.customized === 'true') return;
// 在最后一个 GPT‑5 原生项后插入（找不到就追加到末尾）
const anchors = menuEl.querySelectorAll('[data-radix-collection-item][data-testid^="model-switcher-gpt-5"]');
const lastG5 = anchors[anchors.length - 1];
for (const { id, label } of CUSTOM_MODELS) {
// 跳过：若菜单中已有原生同 id 项
const existsOfficial = menuEl.querySelector(`[data-testid="model-switcher-${CSS.escape(id)}"]:not([data-ext-custom])`);
if (existsOfficial) continue;
// 跳过：已插过
if (menuEl.querySelector(`[data-custom-model="${CSS.escape(id)}"]`)) continue;
const item = createNativeLikeCustomItem(id, label || id);
if (lastG5 && lastG5.parentElement === menuEl) lastG5.after(item); else menuEl.appendChild(item);
}
menuEl.dataset.customized = 'true';
try { normalizeMenuUI(menuEl); } catch {}
try { applyDesiredOrder(menuEl); } catch {}
// 若用户点选了官方项（或键盘触发 click），则自动收起菜单
if (!menuEl.dataset.fmCloseOnChoose) {
menuEl.addEventListener('click', (ev) => {
const t = ev.target;
if (!t || !(t instanceof Element)) return;
const item = t.closest('[data-radix-collection-item][data-testid^="model-switcher-"]:not([data-ext-custom])')
|| t.closest('[data-testid^="model-switcher-"]:not([data-ext-custom])');
if (!item) return;
const testid = item.getAttribute('data-testid') || '';
const m = /^model-switcher-(.+)$/.exec(testid);
const chosenId = m ? normalizeModelId(m[1]) : '';
if (chosenId && NO_CLOSE_ON_CHOOSE_IDS.has(chosenId)) return;
setTimeout(() => { try { closeMenu(menuEl); } catch {} }, 30);
}, { capture: true });
menuEl.dataset.fmCloseOnChoose = '1';
}
}
// ---------------- 使用其他模型重试的模型选择器：快捷项 + 强制窗口 + fetch 改写 ----------------
let lastVariantMenuRoot = null;
const isMenuRoot = (n) => n && n.nodeType === 1 && (
n.matches?.('[data-radix-menu-content]') ||
n.matches?.('[data-radix-dropdown-menu-content]') ||
(n.getAttribute?.('role') === 'menu')
);
const VARIANT_MARKERS = [/^Auto$/i, /^Instant$/i, /^Thinking(?: mini)?$/i, /^Pro$/i, /^Ultra(?:\s*Think(?:ing)?)?$/i];
function getItemLabel(el) {
const t = el.querySelector?.('.truncate');
const raw = (t?.textContent ?? el.textContent ?? '').trim();
return raw.split('\n')[0].trim();
}
// “重试模型选择器”识别：包含关键字（Auto/Instant/Thinking/Pro/Ultra）+ 不含 Main 菜单签名。
function isVariantMenu(root) {
if (!isMenuRoot(root)) return false;
// 排除 Main 模型选择器特征
if (root.querySelector('[data-testid^="model-switcher-"]') || root.querySelector('[data-cgpt-turn]')) return false;
const items = [...root.querySelectorAll('[role="menuitem"]')];
const hasVariant = items.some(el => VARIANT_MARKERS.some(re => re.test(getItemLabel(el))));
return hasVariant;
}
// 回退“重试/Regenerate”按钮查找：当未能触发原生项时使用。
function findRetryBtn() {
let btn = document.querySelector('[data-testid*="regenerate"], [data-testid*="retry"]');
if (btn) return btn;
btn = [...document.querySelectorAll('button[aria-label]')].find(b => /regenerate|retry|重试|重新生成/i.test(b.getAttribute('aria-label') || ''));
if (btn) return btn;
btn = [...document.querySelectorAll('button')].find(b => /regenerate|retry|重试|重新生成/i.test((b.textContent || '').trim()));
return btn || null;
}
// 在“重试模型选择器”中寻找一个“锚点项”（插入快捷项时作为参照）。
function findNativeAnchor(root) {
if (!root) return null;
const items = [...root.querySelectorAll('[role="menuitem"]')];
const NATIVE_ANCHOR_TEXTS = [/^o4-mini$/i, /^gpt-4o$/i, /^gpt-4\.?1$/i];
for (const re of NATIVE_ANCHOR_TEXTS) {
const hit = items.find(el => re.test(getItemLabel(el)));
if (hit) return hit;
}
return items[0] || null;
}
// 优先触发“重试模型选择器”里的原生项；若不存在则触发“重试/Regenerate”按钮。
function clickNativeOrRetry() {
const nativeItem = findNativeAnchor(lastVariantMenuRoot);
if (nativeItem) {
nativeItem.dispatchEvent(new PointerEvent('pointerdown', { bubbles: true }));
nativeItem.click();
return true;
}
const retry = findRetryBtn();
if (retry) {
retry.dispatchEvent(new PointerEvent('pointerdown', { bubbles: true }));
retry.click();
return true;
}
console.warn('[fm] 未找到原生菜单项或“重试”按钮；请手动触发一次重试/选择模型。');
return false;
}
// 窗口期强制模型 + fetch 改写：
// - setForce(model, 2000)：在 2 秒窗口内将会话请求 body.model 改写为指定模型。
// - 仅对 /backend-api/(f/)?conversation 的 POST 请求生效。
let forceModel = null;
let forceUntil = 0;
const inWindow = () => forceModel && Date.now() < forceUntil;
function setForce(model, ms = 2000) {
forceModel = String(model || '').trim();
forceUntil = Date.now() + ms;
try { console.info(`[fm] force ${forceModel} for ${ms}ms`); } catch {}
setTimeout(() => { if (Date.now() >= forceUntil) { forceModel = null; forceUntil = 0; } }, ms + 100);
}
const CONVO_RE = /\/backend-api\/(f\/)?conversation(?:$|\?)/;
const ANALYTICS_RE = /\/ces\/v1\/t(?:$|[/?#])/;
const origFetch = W.fetch;
W.fetch = async function(input, init) {
try {
const req = (input instanceof Request) ? input : new Request(input, init);
const url = req.url || (typeof input === 'string' ? input : '');
const method = (req.method || (init && init.method) || 'GET').toUpperCase();
// 监听 Analytics：Model Switcher 事件，提取 target model 更新按钮文案
if (ANALYTICS_RE.test(url) && method === 'POST') {
try {
const txt = await req.clone().text();
if (txt) {
try {
const data = JSON.parse(txt);
const evt = String(data?.event || '');
const p = data?.properties || {};
const to = p.to || p.model || p.value || p.selection || p.target;
if (/Model\s*Switcher/i.test(evt) && to) {
setAllSwitcherButtonsModel(to);
}
} catch {}
}
} catch {}
// 透传
return origFetch(input, init);
}
if (!CONVO_RE.test(url) || method !== 'POST') { return origFetch(input, init); }
let bodyTxt = '';
try { bodyTxt = await req.clone().text(); } catch {}
if (!bodyTxt) return origFetch(input, init);
try {
const body = JSON.parse(bodyTxt);
if (inWindow() && body && (body.action === 'variant' || body.action === 'next' || body.action === 'continue')) {
const old = body.model;
body.model = forceModel;
const newTxt = JSON.stringify(body);
const newInit = {
method: req.method || (init && init.method) || 'POST',
headers: req.headers,
body: newTxt,
credentials: req.credentials,
cache: req.cache,
mode: req.mode,
redirect: req.redirect,
referrer: req.referrer,
referrerPolicy: req.referrerPolicy,
integrity: req.integrity,
keepalive: req.keepalive,
signal: req.signal,
};
try { console.log(`[fm] rewrite model: ${old} -> ${body.model} | action=${body.action}`); } catch {}
return origFetch(req.url, newInit);
}
} catch (_) {}
return origFetch(input, init);
} catch (err) {
return origFetch(input, init);
}
};
// 在“重试模型选择器”构造一个与原生风格一致的快捷项，
// 点击后：开启 2 秒强制窗口 -> 更新按钮文案 -> 触发原生项或重试。
function createVariantMenuItem({label, sub, slug}) {
const span = document.createElement('span');
const item = document.createElement('div');
item.setAttribute('role', 'menuitem');
item.setAttribute('tabindex', '0');
item.className = 'group __menu-item';
item.dataset.orientation = 'vertical';
item.setAttribute('data-radix-collection-item', '');
const subLine = sub ? `<div class="not-group-data-disabled:text-token-text-tertiary leading-dense mb-0.5 text-xs group-data-sheet-item:mt-0.5 group-data-sheet-item:mb-0">${sub}</div>` : '';
item.innerHTML = `
<div class="min-w-0">
<div class="flex min-w-0 grow items-center gap-2.5 group-data-no-contents-gap:gap-0">
<div class="truncate">${label}</div>
</div>
${subLine}
</div>
`;
const onChoose = (ev) => {
ev.preventDefault(); ev.stopPropagation();
const targetModel = slug || label;
setForce(targetModel, 2000);
try { setAllSwitcherButtonsModel(targetModel); } catch {}
setTimeout(() => {
const ok = clickNativeOrRetry();
if (!ok) console.warn('[fm] 没能自动触发；你可手动点一次重试，窗口仍然生效。');
}, 10);
};
item.addEventListener('click', onChoose);
span.appendChild(item);
span.dataset.fmItem = '1';
return span;
}
// 在“重试模型选择器”中找到锚点项，并在其后插入若干快捷项。
function enhanceVariantMenu(root) {
if (!root || root.dataset.fmAugmented) return;
if (!isVariantMenu(root)) return;
root.dataset.fmAugmented = '1';
lastVariantMenuRoot = root;
if (root.querySelector('[data-fmItem="1"]')) return;
const items = root.querySelectorAll('[role="menuitem"]');
let anchor = null;
const NATIVE_ANCHOR_TEXTS = [/^o4-mini$/i, /^gpt-4o$/i, /^gpt-4\.?1$/i];
for (const re of NATIVE_ANCHOR_TEXTS) {
anchor = Array.from(items).find(el => re.test(getItemLabel(el)));
if (anchor) break;
}
if (!anchor) return;
const anchorSpan = anchor.closest('span') || anchor;
const QUICK_MODELS = [
{ label: 'o3 pro', slug: 'o3-pro' },
{ label: 'GPT 5 mini', slug: 'gpt-5-mini' },
{ label: 'o4 mini high', slug: 'o4-mini-high' },
];
QUICK_MODELS.forEach(q => {
const node = createVariantMenuItem(q);
anchorSpan.parentNode.insertBefore(node, anchorSpan.nextSibling);
});
}
// ---------------- 观察与启动 ----------------
// 与“顶部切换按钮”绑定的观察器：
// - 通过按钮 id → 菜单 aria-labelledby 关联，拿到对应菜单；
// - 根据菜单类型路由到 addCustomModels（Main）或 enhanceVariantMenu（重试）。
function installMenuObserverFor(triggerBtn) {
const debounced = debounce(() => {
const menu = findAssociatedMenu(triggerBtn);
if (menu && isOfficialModelMenu(menu)) {
addCustomModels(menu);
ensureStickyReorder(menu);
}
}, 50);
const bodyObserver = new MutationObserver(() => { debounced(); });
bodyObserver.observe(document.body, { childList: true, subtree: true });
debounced();
const attrObs = new MutationObserver(() => debounced());
attrObs.observe(triggerBtn, { attributes: true, attributeFilter: ['aria-expanded', 'id'] });
}
// 启动：
// - 监听并附着顶部切换按钮，首次点击时安装菜单观察器；
// - 全局 MutationObserver 兜底，发现任意新菜单后按类型处理；
// - 监听 URL 变化同步按钮文案。
function bootstrap() {
const attach = (btn) => {
if (!(btn instanceof HTMLElement)) return;
if (btn.dataset.orderMergedEnhanced === 'true') return;
btn.dataset.orderMergedEnhanced = 'true';
btn.addEventListener('click', () => { installMenuObserverFor(btn); }, { once: true });
updateAllSwitcherButtonsFromURL();
};
document.querySelectorAll(`[data-testid="${TEST_ID_SWITCHER}"]`).forEach(attach);
const obsButtons = new MutationObserver(() => { document.querySelectorAll(`[data-testid="${TEST_ID_SWITCHER}"]`).forEach(attach); });
obsButtons.observe(document.body, { childList: true, subtree: true });
// 全局兜底：任意新开的菜单，按类型分别处理（Main/重试）
const menuObserver = new MutationObserver((mutations) => {
for (const m of mutations) {
for (const node of m.addedNodes) {
if (!(node instanceof HTMLElement)) continue;
const candidates = [];
if (node.matches?.('[role="menu"], [role="listbox"], [data-radix-menu-content]')) candidates.push(node);
node.querySelectorAll?.('[role="menu"], [role="listbox"], [data-radix-menu-content]').forEach((el) => candidates.push(el));
for (const el of candidates) {
const menu = el.getAttribute('role') ? el : el.querySelector?.('[role="menu"], [role="listbox"]');
if (!menu) continue;
if (isOfficialModelMenu(menu)) {
addCustomModels(menu);
ensureStickyReorder(menu);
} else if (isVariantMenu(menu)) {
enhanceVariantMenu(menu);
}
}
}
}
});
menuObserver.observe(document.body, { childList: true, subtree: true });
window.addEventListener('popstate', updateAllSwitcherButtonsFromURL);
window.addEventListener('pushstate', updateAllSwitcherButtonsFromURL);
window.addEventListener('locationchange', updateAllSwitcherButtonsFromURL);
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', bootstrap, { once: true });
} else {
bootstrap();
}
// 样式：保证自定义项文本色 + 隐藏特定分隔线
const style = document.createElement('style');
style.id = 'chatgpt-order-merged-style';
style.textContent = `
[data-custom-model] { color: var(--token-text-primary, var(--text-primary, inherit)) !important; }
[data-custom-model] * { color: inherit !important; }
[data-testid="Legacy models-submenu"] { display: none !important; }
[role="separator"].bg-token-border-default.h-px.mx-4.my-1 { display: none !important; }
`;
document.documentElement.appendChild(style);
})();
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