feat: add AI research chatbot with confirmed business tools

frontend/src/pages/AccountPage.tsx

@@ -16,6 +16,7 @@ import {
 } from "@douyinfe/semi-icons";
 import { api, displayValue, formatTime, patch, post } from "../api";
 import type { Account } from "../types";
+import { ModelSettingsPanel } from "../ai/ModelSettingsPanel";
 
 const connectionLabels: Record<string, string> = {
   connected: "已连接",
@@ -137,6 +138,7 @@ export function AccountPage({
         </div>
       )}
       <div className="account-grid">
+        <ModelSettingsPanel />
         <section className="panel">
           <div className="panel-title">
             <IconLink />