把思考强度收到接口配置里，并支持分组、嗅探和切换同一接口下的模型。

预设不再保存思考强度。设置页会在首屏套用主题。

Co-authored-by: Cursor <cursoragent@cursor.com>

web/api-profile-usage.js

@@ -0,0 +1,140 @@
+/**
+ * API 配置使用记录（浏览器 localStorage）。
+ * 对话菜单与设置页共用：只把「曾经选用过」的模型放进快捷列表。
+ */
+
+export const API_PROFILE_USAGE_KEY = "wa-api-profile-usage";
+
+/** @typedef {{ count: number, lastUsed: number }} ApiProfileUsageEntry */
+/** @typedef {Record<string, ApiProfileUsageEntry>} ApiProfileUsageMap */
+
+/** @returns {ApiProfileUsageMap} */
+export function loadApiProfileUsage() {
+  try {
+    const raw = localStorage.getItem(API_PROFILE_USAGE_KEY);
+    if (!raw) return {};
+    const parsed = JSON.parse(raw);
+    return parsed && typeof parsed === "object" ? parsed : {};
+  } catch {
+    return {};
+  }
+}
+
+/** @param {ApiProfileUsageMap} usage */
+export function saveApiProfileUsage(usage) {
+  try {
+    localStorage.setItem(API_PROFILE_USAGE_KEY, JSON.stringify(usage));
+  } catch {
+    /* ignore quota / private mode */
+  }
+}
+
+/** 选用成功后记一次；首次出现记 count=1。 */
+export function recordApiProfileUsage(id) {
+  if (!id) return;
+  const usage = loadApiProfileUsage();
+  const prev = usage[id];
+  usage[id] = {
+    count: (prev?.count || 0) + 1,
+    lastUsed: Date.now(),
+  };
+  saveApiProfileUsage(usage);
+}
+
+/**
+ * 当前生效配置若还没有记录，写入一条（不刷 count）。
+ * @param {string | null | undefined} id
+ */
+export function seedApiProfileUsage(id) {
+  if (!id) return;
+  const usage = loadApiProfileUsage();
+  if (usage[id]) return;
+  usage[id] = { count: 1, lastUsed: Date.now() };
+  saveApiProfileUsage(usage);
+}
+
+/** 只去掉快捷列表里的曾用记录，不删除配置本身。 */
+export function forgetApiProfileUsage(id) {
+  if (!id) return false;
+  const usage = loadApiProfileUsage();
+  if (!usage[id]) return false;
+  delete usage[id];
+  saveApiProfileUsage(usage);
+  return true;
+}
+
+/** @param {Set<string>} validIds */
+export function pruneApiProfileUsage(validIds) {
+  const usage = loadApiProfileUsage();
+  let changed = false;
+  for (const id of Object.keys(usage)) {
+    if (!validIds.has(id)) {
+      delete usage[id];
+      changed = true;
+    }
+  }
+  if (changed) saveApiProfileUsage(usage);
+}
+
+/**
+ * @param {string} id
+ * @param {ApiProfileUsageMap} usage
+ */
+export function apiProfileUsageRank(id, usage) {
+  const entry = usage[id];
+  return {
+    lastUsed: entry?.lastUsed || 0,
+    count: entry?.count || 0,
+  };
+}
+
+/** @param {{ lastUsed: number, count: number }} a @param {{ lastUsed: number, count: number }} b */
+export function compareApiProfileUsage(a, b) {
+  if (b.lastUsed !== a.lastUsed) return b.lastUsed - a.lastUsed;
+  if (b.count !== a.count) return b.count - a.count;
+  return 0;
+}
+
+/**
+ * @template T
+ * @param {T[]} items
+ * @param {(item: T) => { lastUsed: number, count: number }} rankOf
+ */
+export function sortByApiProfileUsage(items, rankOf) {
+  return items
+    .map((item, index) => ({ item, index, rank: rankOf(item) }))
+    .sort((a, b) => compareApiProfileUsage(a.rank, b.rank) || a.index - b.index)
+    .map((entry) => entry.item);
+}
+
+/**
+ * 组内成员：只留曾用过的；当前生效始终保留。
+ * @param {Array<{ id: string }>} members
+ * @param {ApiProfileUsageMap} usage
+ * @param {string | null | undefined} activeId
+ */
+export function filterUsedApiProfiles(members, usage, activeId) {
+  const used = members.filter(
+    (profile) => profile.id === activeId || Boolean(usage[profile.id]),
+  );
+  return sortByApiProfileUsage(used, (profile) =>
+    apiProfileUsageRank(profile.id, usage),
+  );
+}
+
+/**
+ * @param {Array<{ id: string }>} members
+ * @param {ApiProfileUsageMap} usage
+ */
+export function membersUsageRank(members, usage) {
+  return members.reduce(
+    (acc, profile) => {
+      const rank = apiProfileUsageRank(profile.id, usage);
+      return {
+        lastUsed: Math.max(acc.lastUsed, rank.lastUsed),
+        count: acc.count + rank.count,
+      };
+    },
+    { lastUsed: 0, count: 0 },
+  );
+}