feat: 添加配置面板组件

- 新增 ConfigPanel 组件，支持模型选择、参数调整
- 添加配置 API (getConfig/updateConfig)
- 在 App.tsx 中集成配置按钮和面板

packages/web/src/App.tsx

@@ -6,12 +6,14 @@ import { useState, useEffect } from 'react';
 import { Sidebar } from './components/Sidebar';
 import { ChatPage } from './pages/Chat';
 import { FileBrowser } from './components/FileBrowser';
+import { ConfigPanel } from './components/ConfigPanel';
 import { listSessions, createSession, type Session } from './api/client';
 
 export function App() {
   const [currentSessionId, setCurrentSessionId] = useState<string | null>(null);
   const [isInitializing, setIsInitializing] = useState(true);
   const [showFileBrowser, setShowFileBrowser] = useState(false);
+  const [showConfig, setShowConfig] = useState(false);
 
   // 初始化：加载或创建会话
   useEffect(() => {
@@ -64,23 +66,48 @@ export function App() {
         onCreateSession={handleCreateSession}
       />
 
-      {/* 文件浏览器切换按钮 */}
-      <button
-        onClick={() => setShowFileBrowser(!showFileBrowser)}
-        className={`absolute top-3 right-4 z-10 p-2 rounded-lg transition-colors ${
-          showFileBrowser ? 'bg-blue-600 text-white' : 'bg-gray-700 text-gray-300 hover:bg-gray-600'
-        }`}
-        title={showFileBrowser ? 'Hide Files' : 'Show Files'}
-      >
-        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-          <path
-            strokeLinecap="round"
-            strokeLinejoin="round"
-            strokeWidth={2}
-            d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-6l-2-2H5a2 2 0 00-2 2z"
-          />
-        </svg>
-      </button>
+      {/* 工具栏按钮 */}
+      <div className="absolute top-3 right-4 z-10 flex gap-2">
+        {/* 配置按钮 */}
+        <button
+          onClick={() => setShowConfig(true)}
+          className="p-2 rounded-lg bg-gray-700 text-gray-300 hover:bg-gray-600 transition-colors"
+          title="Settings"
+        >
+          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path
+              strokeLinecap="round"
+              strokeLinejoin="round"
+              strokeWidth={2}
+              d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"
+            />
+            <path
+              strokeLinecap="round"
+              strokeLinejoin="round"
+              strokeWidth={2}
+              d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"
+            />
+          </svg>
+        </button>
+
+        {/* 文件浏览器切换按钮 */}
+        <button
+          onClick={() => setShowFileBrowser(!showFileBrowser)}
+          className={`p-2 rounded-lg transition-colors ${
+            showFileBrowser ? 'bg-blue-600 text-white' : 'bg-gray-700 text-gray-300 hover:bg-gray-600'
+          }`}
+          title={showFileBrowser ? 'Hide Files' : 'Show Files'}
+        >
+          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path
+              strokeLinecap="round"
+              strokeLinejoin="round"
+              strokeWidth={2}
+              d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-6l-2-2H5a2 2 0 00-2 2z"
+            />
+          </svg>
+        </button>
+      </div>
 
       <div className="flex-1 flex">
         {/* 聊天区域 */}
@@ -105,6 +132,9 @@ export function App() {
           </div>
         )}
       </div>
+
+      {/* 配置面板 */}
+      {showConfig && <ConfigPanel onClose={() => setShowConfig(false)} />}
     </div>
   );
 }