Enhance backend functionality and frontend UI

- Updated main.py to include authentication for brand, model, and OTA routers.
- Added new OTA schemas in schemas.py for version management.
- Enhanced model retrieval with sorting options in models.py.
- Improved model update functionality to support multipart/form-data uploads.
- Updated frontend layout and styles for a more modern look, including new font integration.
- Implemented login route and authentication checks in router/index.js.
- Added sorting capabilities in model table and improved file handling in model view.
- Updated requirements.txt to include PyJWT for token management.

frontend/src/utils/request.js

@@ -1,5 +1,6 @@
 import axios from 'axios'
 import { ElMessage } from 'element-plus'
+import { getToken, clearToken } from '@/utils/auth'
 
 // 创建 axios 实例
 const request = axios.create({
@@ -10,6 +11,11 @@ const request = axios.create({
 // 请求拦截器
 request.interceptors.request.use(
   config => {
+    const token = getToken()
+    const url = config.url || ''
+    if (token && !url.includes('/auth/login')) {
+      config.headers.Authorization = `Bearer ${token}`
+    }
     return config
   },
   error => {
@@ -32,6 +38,21 @@ request.interceptors.response.use(
     return res
   },
   error => {
+    const status = error.response?.status
+    if (status === 401) {
+      clearToken()
+      const detail = error.response?.data?.detail
+      if (detail) {
+        ElMessage.warning(typeof detail === 'string' ? detail : '登录已失效')
+      }
+      const path = window.location.pathname || ''
+      if (!path.startsWith('/login')) {
+        window.location.assign(
+          `/login?redirect=${encodeURIComponent(path + (window.location.search || ''))}`
+        )
+      }
+      return Promise.reject(error)
+    }
     console.error('响应错误:', error)
     ElMessage.error(error.message || '网络错误')
     return Promise.reject(error)