feat: 支持用户专属分组倍率配置

frontend/src/i18n/locales/en.ts

@@ -849,6 +849,16 @@ export default {
       allowedGroupsUpdated: 'Allowed groups updated successfully',
       failedToLoadGroups: 'Failed to load groups',
       failedToUpdateAllowedGroups: 'Failed to update allowed groups',
+      // User Group Configuration
+      groupConfig: 'User Group Configuration',
+      groupConfigHint: 'Configure custom rate multipliers for user {email} (overrides group defaults)',
+      exclusiveGroups: 'Exclusive Groups',
+      publicGroups: 'Public Groups (Default Available)',
+      defaultRate: 'Default Rate',
+      customRate: 'Custom Rate',
+      useDefaultRate: 'Use Default',
+      customRatePlaceholder: 'Leave empty for default',
+      groupConfigUpdated: 'Group configuration updated successfully',
       deposit: 'Deposit',
       withdraw: 'Withdraw',
       depositAmount: 'Deposit Amount',

frontend/src/i18n/locales/zh.ts

@@ -910,6 +910,16 @@ export default {
       allowedGroupsUpdated: '允许分组更新成功',
       failedToLoadGroups: '加载分组列表失败',
       failedToUpdateAllowedGroups: '更新允许分组失败',
+      // 用户分组配置
+      groupConfig: '用户分组配置',
+      groupConfigHint: '为用户 {email} 配置专属分组倍率（覆盖分组默认倍率）',
+      exclusiveGroups: '专属分组',
+      publicGroups: '公开分组（默认可用）',
+      defaultRate: '默认倍率',
+      customRate: '专属倍率',
+      useDefaultRate: '使用默认',
+      customRatePlaceholder: '留空使用默认',
+      groupConfigUpdated: '分组配置更新成功',
       deposit: '充值',
       withdraw: '退款',
       depositAmount: '充值金额',