Merge pull request #966 from GuangYiDing/feat/db-backup-restore

feat: 数据库定时备份与恢复（S3 兼容存储，支持 Cloudflare R2）

frontend/src/i18n/locales/en.ts

@@ -340,6 +340,7 @@ export default {
     redeemCodes: 'Redeem Codes',
     ops: 'Ops',
     promoCodes: 'Promo Codes',
+    backup: 'DB Backup',
     dataManagement: 'Data Management',
     settings: 'Settings',
     myAccount: 'My Account',
@@ -978,6 +979,111 @@ export default {
       failedToLoad: 'Failed to load dashboard statistics'
     },
 
+    backup: {
+      title: 'Database Backup',
+      description: 'Full database backup to S3-compatible storage with scheduled backup and restore',
+      s3: {
+        title: 'S3 Storage Configuration',
+        description: 'Configure S3-compatible storage (supports Cloudflare R2)',
+        descriptionPrefix: 'Configure S3-compatible storage (supports',
+        descriptionSuffix: ')',
+        enabled: 'Enable S3 Storage',
+        endpoint: 'Endpoint',
+        region: 'Region',
+        bucket: 'Bucket',
+        prefix: 'Key Prefix',
+        accessKeyId: 'Access Key ID',
+        secretAccessKey: 'Secret Access Key',
+        secretConfigured: 'Already configured, leave empty to keep',
+        forcePathStyle: 'Force Path Style',
+        testConnection: 'Test Connection',
+        testSuccess: 'S3 connection test successful',
+        testFailed: 'S3 connection test failed',
+        saved: 'S3 configuration saved'
+      },
+      schedule: {
+        title: 'Scheduled Backup',
+        description: 'Configure automatic scheduled backups',
+        enabled: 'Enable Scheduled Backup',
+        cronExpr: 'Cron Expression',
+        cronHint: 'e.g. "0 2 * * *" means every day at 2:00 AM',
+        retainDays: 'Backup Expire Days',
+        retainDaysHint: 'Backup files auto-delete after this many days, 0 = never expire',
+        retainCount: 'Max Retain Count',
+        retainCountHint: 'Maximum number of backups to keep, 0 = unlimited',
+        saved: 'Schedule configuration saved'
+      },
+      operations: {
+        title: 'Backup Records',
+        description: 'Create manual backups and manage existing backup records',
+        createBackup: 'Create Backup',
+        backing: 'Backing up...',
+        backupCreated: 'Backup created successfully',
+        expireDays: 'Expire Days'
+      },
+      columns: {
+        status: 'Status',
+        fileName: 'File Name',
+        size: 'Size',
+        expiresAt: 'Expires At',
+        triggeredBy: 'Triggered By',
+        startedAt: 'Started At',
+        actions: 'Actions'
+      },
+      status: {
+        pending: 'Pending',
+        running: 'Running',
+        completed: 'Completed',
+        failed: 'Failed'
+      },
+      trigger: {
+        manual: 'Manual',
+        scheduled: 'Scheduled'
+      },
+      neverExpire: 'Never',
+      empty: 'No backup records',
+      actions: {
+        download: 'Download',
+        restore: 'Restore',
+        restoreConfirm: 'Are you sure you want to restore from this backup? This will overwrite the current database!',
+        restorePasswordPrompt: 'Please enter your admin password to confirm the restore operation',
+        restoreSuccess: 'Database restored successfully',
+        deleteConfirm: 'Are you sure you want to delete this backup?',
+        deleted: 'Backup deleted'
+      },
+      r2Guide: {
+        title: 'Cloudflare R2 Setup Guide',
+        intro: 'Cloudflare R2 provides S3-compatible object storage with a free tier of 10GB storage + 1M Class A requests/month, ideal for database backups.',
+        step1: {
+          title: 'Create an R2 Bucket',
+          line1: 'Log in to the Cloudflare Dashboard (dash.cloudflare.com), select "R2 Object Storage" from the sidebar',
+          line2: 'Click "Create bucket", enter a name (e.g. sub2api-backups), choose a region',
+          line3: 'Click create to finish'
+        },
+        step2: {
+          title: 'Create an API Token',
+          line1: 'On the R2 page, click "Manage R2 API Tokens" in the top right',
+          line2: 'Click "Create API token", set permission to "Object Read & Write"',
+          line3: 'Recommended: restrict to specific bucket for better security',
+          line4: 'After creation, you will see the Access Key ID and Secret Access Key',
+          warning: 'The Secret Access Key is only shown once — copy and save it immediately!'
+        },
+        step3: {
+          title: 'Get the S3 Endpoint',
+          desc: 'Find your Account ID on the R2 overview page (in the URL or the right panel). The endpoint format is:',
+          accountId: 'your_account_id'
+        },
+        step4: {
+          title: 'Fill in the Configuration',
+          checkEnabled: 'Checked',
+          bucketValue: 'Your bucket name',
+          fromStep2: 'Value from Step 2',
+          unchecked: 'Unchecked'
+        },
+        freeTier: 'R2 Free Tier: 10GB storage + 1M Class A requests + 10M Class B requests per month — more than enough for database backups.'
+      }
+    },
+
     dataManagement: {
       title: 'Data Management',
       description: 'Manage data management agent status, object storage settings, and backup jobs in one place',

frontend/src/i18n/locales/zh.ts

@@ -340,6 +340,7 @@ export default {
     redeemCodes: '兑换码',
     ops: '运维监控',
     promoCodes: '优惠码',
+    backup: '数据库备份',
     dataManagement: '数据管理',
     settings: '系统设置',
     myAccount: '我的账户',
@@ -1000,6 +1001,111 @@ export default {
       failedToLoad: '加载仪表盘数据失败'
     },
 
+    backup: {
+      title: '数据库备份',
+      description: '全量数据库备份到 S3 兼容存储，支持定时备份与恢复',
+      s3: {
+        title: 'S3 存储配置',
+        description: '配置 S3 兼容存储（支持 Cloudflare R2）',
+        descriptionPrefix: '配置 S3 兼容存储（支持',
+        descriptionSuffix: '）',
+        enabled: '启用 S3 存储',
+        endpoint: '端点地址',
+        region: '区域',
+        bucket: '存储桶',
+        prefix: 'Key 前缀',
+        accessKeyId: 'Access Key ID',
+        secretAccessKey: 'Secret Access Key',
+        secretConfigured: '已配置，留空保持不变',
+        forcePathStyle: '强制路径风格',
+        testConnection: '测试连接',
+        testSuccess: 'S3 连接测试成功',
+        testFailed: 'S3 连接测试失败',
+        saved: 'S3 配置已保存'
+      },
+      schedule: {
+        title: '定时备份',
+        description: '配置自动定时备份',
+        enabled: '启用定时备份',
+        cronExpr: 'Cron 表达式',
+        cronHint: '例如 "0 2 * * *" 表示每天凌晨 2 点',
+        retainDays: '备份过期天数',
+        retainDaysHint: '备份文件超过此天数后自动删除，0 = 永不过期',
+        retainCount: '最大保留份数',
+        retainCountHint: '最多保留的备份数量，0 = 不限制',
+        saved: '定时备份配置已保存'
+      },
+      operations: {
+        title: '备份记录',
+        description: '创建手动备份和管理已有备份记录',
+        createBackup: '创建备份',
+        backing: '备份中...',
+        backupCreated: '备份创建成功',
+        expireDays: '过期天数'
+      },
+      columns: {
+        status: '状态',
+        fileName: '文件名',
+        size: '大小',
+        expiresAt: '过期时间',
+        triggeredBy: '触发方式',
+        startedAt: '开始时间',
+        actions: '操作'
+      },
+      status: {
+        pending: '等待中',
+        running: '执行中',
+        completed: '已完成',
+        failed: '失败'
+      },
+      trigger: {
+        manual: '手动',
+        scheduled: '定时'
+      },
+      neverExpire: '永不过期',
+      empty: '暂无备份记录',
+      actions: {
+        download: '下载',
+        restore: '恢复',
+        restoreConfirm: '确定要从此备份恢复吗？这将覆盖当前数据库！',
+        restorePasswordPrompt: '请输入管理员密码以确认恢复操作',
+        restoreSuccess: '数据库恢复成功',
+        deleteConfirm: '确定要删除此备份吗？',
+        deleted: '备份已删除'
+      },
+      r2Guide: {
+        title: 'Cloudflare R2 配置教程',
+        intro: 'Cloudflare R2 提供 S3 兼容的对象存储，免费额度为 10GB 存储 + 每月 100 万次 A 类请求，非常适合数据库备份。',
+        step1: {
+          title: '创建 R2 存储桶',
+          line1: '登录 Cloudflare Dashboard (dash.cloudflare.com)，左侧菜单选择「R2 对象存储」',
+          line2: '点击「创建存储桶」，输入名称（如 sub2api-backups），选择区域',
+          line3: '点击创建完成'
+        },
+        step2: {
+          title: '创建 API 令牌',
+          line1: '在 R2 页面，点击右上角「管理 R2 API 令牌」',
+          line2: '点击「创建 API 令牌」，权限选择「对象读和写」',
+          line3: '建议指定存储桶范围（仅允许访问备份桶，更安全）',
+          line4: '创建后会显示 Access Key ID 和 Secret Access Key',
+          warning: 'Secret Access Key 只会显示一次，请立即复制保存！'
+        },
+        step3: {
+          title: '获取 S3 端点地址',
+          desc: '在 R2 概览页面找到你的账户 ID（在 URL 或右侧面板中），端点格式为：',
+          accountId: '你的账户 ID'
+        },
+        step4: {
+          title: '填写以下配置',
+          checkEnabled: '勾选',
+          bucketValue: '你创建的存储桶名称',
+          fromStep2: '第 2 步获取的值',
+          unchecked: '不勾选'
+        },
+        freeTier: 'R2 免费额度：10GB 存储 + 每月 100 万次 A 类请求 + 1000 万次 B 类请求，对数据库备份完全够用。'
+      }
+    },
+
     dataManagement: {
       title: '数据管理',
       description: '统一管理数据管理代理状态、对象存储配置和备份任务',