feat(frontend): 更新国际化翻译

- 新增英文翻译条目
- 完善中文翻译内容
- 改进多语言支持

frontend/src/i18n/locales/en.ts

@@ -52,6 +52,7 @@ export default {
       password: 'Password',
       databaseName: 'Database Name',
       sslMode: 'SSL Mode',
+      passwordPlaceholder: 'Password',
       ssl: {
         disable: 'Disable',
         require: 'Require',
@@ -64,13 +65,17 @@ export default {
       host: 'Host',
       port: 'Port',
       password: 'Password (optional)',
-      database: 'Database'
+      database: 'Database',
+      passwordPlaceholder: 'Password'
     },
     admin: {
       title: 'Admin Account',
       email: 'Email',
       password: 'Password',
-      confirmPassword: 'Confirm Password'
+      confirmPassword: 'Confirm Password',
+      passwordPlaceholder: 'Min 6 characters',
+      confirmPasswordPlaceholder: 'Confirm password',
+      passwordMismatch: 'Passwords do not match'
     },
     ready: {
       title: 'Ready to Install',
@@ -127,7 +132,14 @@ export default {
     searchPlaceholder: 'Search...',
     noOptionsFound: 'No options found',
     saving: 'Saving...',
-    refresh: 'Refresh'
+    refresh: 'Refresh',
+    time: {
+      never: 'Never',
+      justNow: 'Just now',
+      minutesAgo: '{n}m ago',
+      hoursAgo: '{n}h ago',
+      daysAgo: '{n}d ago'
+    }
   },
 
   // Navigation
@@ -263,7 +275,7 @@ export default {
     created: 'Created',
     copyToClipboard: 'Copy to clipboard',
     copied: 'Copied!',
-    importToCcSwitch: 'Import to CC Switch',
+    importToCcSwitch: 'Import to CCS',
     enable: 'Enable',
     disable: 'Disable',
     nameLabel: 'Name',
@@ -517,6 +529,7 @@ export default {
       actual: 'Actual',
       standard: 'Standard',
       noDataAvailable: 'No data available',
+      recentUsage: 'Recent Usage',
       failedToLoad: 'Failed to load dashboard statistics'
     },
 
@@ -569,9 +582,13 @@ export default {
       noSubscription: 'No subscription',
       daysRemaining: '{days}d',
       expired: 'Expired',
+      disable: 'Disable',
+      enable: 'Enable',
       disableUser: 'Disable User',
       enableUser: 'Enable User',
       viewApiKeys: 'View API Keys',
+      groups: 'Groups',
+      apiKeys: 'API Keys',
       userApiKeys: 'User API Keys',
       noApiKeys: 'This user has no API keys',
       group: 'Group',

frontend/src/i18n/locales/zh.ts

@@ -49,6 +49,7 @@ export default {
       password: '密码',
       databaseName: '数据库名称',
       sslMode: 'SSL 模式',
+      passwordPlaceholder: '密码',
       ssl: {
         disable: '禁用',
         require: '要求',
@@ -61,13 +62,17 @@ export default {
       host: '主机',
       port: '端口',
       password: '密码（可选）',
-      database: '数据库'
+      database: '数据库',
+      passwordPlaceholder: '密码'
     },
     admin: {
       title: '管理员账户',
       email: '邮箱',
       password: '密码',
-      confirmPassword: '确认密码'
+      confirmPassword: '确认密码',
+      passwordPlaceholder: '至少 6 个字符',
+      confirmPasswordPlaceholder: '确认密码',
+      passwordMismatch: '密码不匹配'
     },
     ready: {
       title: '准备安装',
@@ -124,7 +129,14 @@ export default {
     searchPlaceholder: '搜索...',
     noOptionsFound: '无匹配选项',
     saving: '保存中...',
-    refresh: '刷新'
+    refresh: '刷新',
+    time: {
+      never: '从未',
+      justNow: '刚刚',
+      minutesAgo: '{n}分钟前',
+      hoursAgo: '{n}小时前',
+      daysAgo: '{n}天前'
+    }
   },
 
   // Navigation
@@ -260,7 +272,7 @@ export default {
     created: '创建时间',
     copyToClipboard: '复制到剪贴板',
     copied: '已复制！',
-    importToCcSwitch: '导入到 CC Switch',
+    importToCcSwitch: '导入到 CCS',
     enable: '启用',
     disable: '禁用',
     nameLabel: '名称',
@@ -589,9 +601,13 @@ export default {
       noSubscription: '暂无订阅',
       daysRemaining: '{days}天',
       expired: '已过期',
+      disable: '禁用',
+      enable: '启用',
       disableUser: '禁用用户',
       enableUser: '启用用户',
       viewApiKeys: '查看 API 密钥',
+      groups: '分组',
+      apiKeys: 'API密钥',
       userApiKeys: '用户 API 密钥',
       noApiKeys: '此用户暂无 API 密钥',
       group: '分组',
@@ -727,10 +743,13 @@ export default {
         priorityHint: '数值越高优先级越高，用于账号调度',
         statusLabel: '状态'
       },
-      exclusive: {
+      exclusiveObj: {
         yes: '是',
         no: '否'
       },
+      exclusive: '独占',
+      exclusiveHint: '启用后，此分组的用户将独占使用分配的账号',
+      rateMultiplierHint: '1.0 = 标准费率，0.5 = 半价，2.0 = 双倍',
       platforms: {
         all: '全部平台',
         claude: 'Claude',
@@ -876,6 +895,7 @@ export default {
       deleteConfirmMessage: "确定要删除账号 '{name}' 吗？",
       refreshCookie: '刷新 Cookie',
       testAccount: '测试账号',
+      searchAccounts: '搜索账号...',
       // Filter options
       allPlatforms: '全部平台',
       allTypes: '全部类型',
@@ -903,6 +923,19 @@ export default {
         lastUsed: '最近使用',
         actions: '操作'
       },
+      clearRateLimit: '清除速率限制',
+      testConnection: '测试连接',
+      reAuthorize: '重新授权',
+      refreshToken: '刷新令牌',
+      noAccountsYet: '暂无账号',
+      createFirstAccount: '添加 AI 平台账号以开始使用 API 网关。',
+      tokenRefreshed: 'Token 刷新成功',
+      accountDeleted: '账号删除成功',
+      rateLimitCleared: '速率限制已清除',
+      setupToken: 'Setup Token',
+      apiKey: 'API Key',
+      deleteConfirm: "确定要删除账号 '{name}' 吗？此操作无法撤销。",
+      failedToClearRateLimit: '清除速率限制失败',
       platforms: {
         claude: 'Claude',
         openai: 'OpenAI',