feat: 完成管理员密码登录修复和项目清理

- 修复BCryptPasswordEncoder密码验证问题
- 实现密码设置提示弹窗功能（仅对无密码用户显示一次）
- 优化修改密码逻辑和验证流程
- 更新Welcome页面背景样式
- 清理临时SQL文件和测试代码
- 移动数据库备份文件到database/backups目录
- 删除不必要的MD文档和临时文件

demo/frontend/src/router/index.js

@@ -3,17 +3,14 @@ import { useUserStore } from '@/stores/user'
 import { ElMessage } from 'element-plus'
 
 // 路由组件 - 使用懒加载优化性能
-const Home = () => import('@/views/Home.vue')
 const Login = () => import('@/views/Login.vue')
 const Register = () => import('@/views/Register.vue')
-const Orders = () => import('@/views/Orders.vue')
 const OrderDetail = () => import('@/views/OrderDetail.vue')
 const OrderCreate = () => import('@/views/OrderCreate.vue')
 const Payments = () => import('@/views/Payments.vue')
 const PaymentCreate = () => import('@/views/PaymentCreate.vue')
 const AdminOrders = () => import('@/views/AdminOrders.vue')
 const AdminDashboard = () => import('@/views/AdminDashboard.vue')
-const Dashboard = () => import('@/views/Dashboard.vue')
 const Welcome = () => import('@/views/Welcome.vue')
 const Profile = () => import('@/views/Profile.vue')
 const Subscription = () => import('@/views/Subscription.vue')
@@ -32,6 +29,8 @@ const GenerateTaskRecord = () => import('@/views/GenerateTaskRecord.vue')
 const HelloWorld = () => import('@/views/HelloWorld.vue')
 const TaskStatusPage = () => import('@/views/TaskStatusPage.vue')
 const TermsOfService = () => import('@/views/TermsOfService.vue')
+const UserAgreement = () => import('@/views/UserAgreement.vue')
+const PrivacyPolicy = () => import('@/views/PrivacyPolicy.vue')
 
 const routes = [
   {
@@ -105,12 +104,6 @@ const routes = [
     component: Welcome,
     meta: { title: '欢迎', guest: true }
   },
-  {
-    path: '/home',
-    name: 'Home',
-    component: Home,
-    meta: { title: '首页', requiresAuth: true }
-  },
   {
     path: '/profile',
     name: 'Profile',
@@ -135,12 +128,6 @@ const routes = [
     component: Register,
     meta: { title: '注册', guest: true }
   },
-  {
-    path: '/orders',
-    name: 'Orders',
-    component: Orders,
-    meta: { title: '订单管理', requiresAuth: true }
-  },
   {
     path: '/orders/:id',
     name: 'OrderDetail',
@@ -213,6 +200,18 @@ const routes = [
     component: TermsOfService,
     meta: { title: 'Vionow 服务条款' }
   },
+  {
+    path: '/user-agreement',
+    name: 'UserAgreement',
+    component: UserAgreement,
+    meta: { title: '用户协议' }
+  },
+  {
+    path: '/privacy-policy',
+    name: 'PrivacyPolicy',
+    component: PrivacyPolicy,
+    meta: { title: '隐私政策' }
+  },
 ]
 
 const router = createRouter({