feat: 更新 Web 前端页面

- 更新 Agents、Chat、Settings 等页面
- 新增 ModelAPIs 页面
- 更新各个模块的 composables
- 更新 vite 配置和依赖版本

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/vite.config.ts

@@ -1,32 +1,39 @@
-import { defineConfig } from 'vite'
+import { defineConfig, loadEnv } from 'vite'
 import vue from '@vitejs/plugin-vue'
 import { resolve } from 'path'
 import monacoEditorPlugin from 'vite-plugin-monaco-editor'
 
-export default defineConfig({
-  plugins: [
-    vue(),
-    (monacoEditorPlugin as any).default({})
-  ],
-  resolve: {
-    alias: {
-      '@': resolve(__dirname, 'src')
-    }
-  },
-  server: {
-    fs: {
-      allow: ['..']
+export default defineConfig(({ mode }) => {
+  // 加载根目录的 .env 文件
+  const env = loadEnv(mode, resolve(__dirname, '..'), '')
+
+  const apiBase = env.VITE_API_BASE || 'http://localhost:8082'
+
+  return {
+    plugins: [
+      vue(),
+      (monacoEditorPlugin as any).default({})
+    ],
+    resolve: {
+      alias: {
+        '@': resolve(__dirname, 'src')
+      }
     },
-    proxy: {
-      '/api': {
-        target: 'http://localhost:8082',
-        changeOrigin: true,
-        ws: true
+    server: {
+      fs: {
+        allow: ['..']
       },
-      '/model': {
-        target: 'http://localhost:8082',
-        changeOrigin: true,
-        ws: true
+      proxy: {
+        '/api': {
+          target: apiBase,
+          changeOrigin: true,
+          ws: true
+        },
+        '/model': {
+          target: apiBase,
+          changeOrigin: true,
+          ws: true
+        }
       }
     }
   }