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>

tests/api-profile-usage.test.ts

@@ -0,0 +1,47 @@
+import { beforeEach, describe, expect, it } from "vitest";
+import {
+  filterUsedApiProfiles,
+  forgetApiProfileUsage,
+  loadApiProfileUsage,
+  recordApiProfileUsage,
+} from "../web/api-profile-usage.js";
+
+const store = new Map<string, string>();
+
+beforeEach(() => {
+  store.clear();
+  Object.defineProperty(globalThis, "localStorage", {
+    configurable: true,
+    value: {
+      getItem: (key: string) => store.get(key) ?? null,
+      setItem: (key: string, value: string) => {
+        store.set(key, value);
+      },
+      removeItem: (key: string) => {
+        store.delete(key);
+      },
+    },
+  });
+});
+
+describe("forgetApiProfileUsage", () => {
+  it("drops one used record and leaves the profile out of the shortcut list", () => {
+    recordApiProfileUsage("a");
+    recordApiProfileUsage("b");
+
+    expect(forgetApiProfileUsage("a")).toBe(true);
+    expect(loadApiProfileUsage().a).toBeUndefined();
+    expect(loadApiProfileUsage().b).toBeTruthy();
+
+    const visible = filterUsedApiProfiles(
+      [{ id: "a" }, { id: "b" }, { id: "c" }],
+      loadApiProfileUsage(),
+      "c",
+    );
+    expect(visible.map((item) => item.id)).toEqual(["b", "c"]);
+  });
+
+  it("does nothing when there is no record", () => {
+    expect(forgetApiProfileUsage("missing")).toBe(false);
+  });
+});