feat: 增加邀请码注册功能

frontend/src/i18n/locales/en.ts

@@ -265,6 +265,13 @@ export default {
     promoCodeAlreadyUsed: 'You have already used this promo code',
     promoCodeValidating: 'Promo code is being validated, please wait',
     promoCodeInvalidCannotRegister: 'Invalid promo code. Please check and try again or clear the promo code field',
+    invitationCodeLabel: 'Invitation Code',
+    invitationCodePlaceholder: 'Enter invitation code',
+    invitationCodeRequired: 'Invitation code is required',
+    invitationCodeValid: 'Invitation code is valid',
+    invitationCodeInvalid: 'Invalid or used invitation code',
+    invitationCodeValidating: 'Validating invitation code...',
+    invitationCodeInvalidCannotRegister: 'Invalid invitation code. Please check and try again',
     linuxdo: {
       signIn: 'Continue with Linux.do',
       orContinue: 'or continue with email',
@@ -1899,6 +1906,8 @@ export default {
       balance: 'Balance',
       concurrency: 'Concurrency',
       subscription: 'Subscription',
+      invitation: 'Invitation',
+      invitationHint: 'Invitation codes are used to restrict user registration. They are automatically marked as used after use.',
       unused: 'Unused',
       used: 'Used',
       columns: {
@@ -1945,6 +1954,7 @@ export default {
         balance: 'Balance',
         concurrency: 'Concurrency',
         subscription: 'Subscription',
+        invitation: 'Invitation',
         // Admin adjustment types (created when admin modifies user balance/concurrency)
         admin_balance: 'Balance (Admin)',
         admin_concurrency: 'Concurrency (Admin)'
@@ -2896,6 +2906,8 @@ export default {
         emailVerificationHint: 'Require email verification for new registrations',
         promoCode: 'Promo Code',
         promoCodeHint: 'Allow users to use promo codes during registration',
+        invitationCode: 'Invitation Code Registration',
+        invitationCodeHint: 'When enabled, users must enter a valid invitation code to register',
         passwordReset: 'Password Reset',
         passwordResetHint: 'Allow users to reset their password via email',
         totp: 'Two-Factor Authentication (2FA)',

frontend/src/i18n/locales/zh.ts

@@ -262,6 +262,13 @@ export default {
     promoCodeAlreadyUsed: '您已使用过此优惠码',
     promoCodeValidating: '优惠码正在验证中，请稍候',
     promoCodeInvalidCannotRegister: '优惠码无效，请检查后重试或清空优惠码',
+    invitationCodeLabel: '邀请码',
+    invitationCodePlaceholder: '请输入邀请码',
+    invitationCodeRequired: '请输入邀请码',
+    invitationCodeValid: '邀请码有效',
+    invitationCodeInvalid: '邀请码无效或已被使用',
+    invitationCodeValidating: '正在验证邀请码...',
+    invitationCodeInvalidCannotRegister: '邀请码无效，请检查后重试',
     linuxdo: {
       signIn: '使用 Linux.do 登录',
       orContinue: '或使用邮箱密码继续',
@@ -2022,6 +2029,7 @@ export default {
         balance: '余额',
         concurrency: '并发数',
         subscription: '订阅',
+        invitation: '邀请码',
         // 管理员在用户管理页面调整余额/并发时产生的记录
         admin_balance: '余额（管理员）',
         admin_concurrency: '并发数（管理员）'
@@ -2030,6 +2038,8 @@ export default {
       balance: '余额',
       concurrency: '并发数',
       subscription: '订阅',
+      invitation: '邀请码',
+      invitationHint: '邀请码用于限制用户注册，使用后自动标记为已使用。',
       allTypes: '全部类型',
       allStatus: '全部状态',
       unused: '未使用',
@@ -3049,6 +3059,8 @@ export default {
         emailVerificationHint: '新用户注册时需要验证邮箱',
         promoCode: '优惠码',
         promoCodeHint: '允许用户在注册时使用优惠码',
+        invitationCode: '邀请码注册',
+        invitationCodeHint: '开启后，用户注册时需要填写有效的邀请码',
         passwordReset: '忘记密码',
         passwordResetHint: '允许用户通过邮箱重置密码',
         totp: '双因素认证 (2FA)',