将 web-admin 从子模块改为仓库内普通目录，便于单仓克隆与维护。

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/router/modules/exception.ts

@@ -0,0 +1,46 @@
+import { AppRouteRecord } from '@/types/router'
+
+export const exceptionRoutes: AppRouteRecord = {
+  path: '/exception',
+  name: 'Exception',
+  component: '/index/index',
+  meta: {
+    title: 'menus.exception.title',
+    icon: 'ri:error-warning-line'
+  },
+  children: [
+    {
+      path: '403',
+      name: 'Exception403',
+      component: '/exception/403/index',
+      meta: {
+        title: 'menus.exception.forbidden',
+        keepAlive: true,
+        isHideTab: true,
+        isFullPage: true
+      }
+    },
+    {
+      path: '404',
+      name: 'Exception404',
+      component: '/exception/404/index',
+      meta: {
+        title: 'menus.exception.notFound',
+        keepAlive: true,
+        isHideTab: true,
+        isFullPage: true
+      }
+    },
+    {
+      path: '500',
+      name: 'Exception500',
+      component: '/exception/500/index',
+      meta: {
+        title: 'menus.exception.serverError',
+        keepAlive: true,
+        isHideTab: true,
+        isFullPage: true
+      }
+    }
+  ]
+}