feat: support replacing bound primary email

frontend/src/i18n/locales/en.ts

@@ -967,9 +967,12 @@ export default {
       emailPlaceholder: 'Enter email address',
       codePlaceholder: 'Enter verification code',
       passwordPlaceholder: 'Set a login password',
+      replaceEmailPasswordPlaceholder: 'Enter current password',
       sendCodeAction: 'Send code',
       confirmEmailBindAction: 'Bind email',
+      confirmEmailReplaceAction: 'Replace primary email',
       codeSentTo: 'Code sent to {email}',
+      replaceSuccess: 'Primary email updated',
       status: {
         bound: 'Bound',
         notBound: 'Not bound',

frontend/src/i18n/locales/zh.ts

@@ -971,9 +971,12 @@ export default {
       emailPlaceholder: '输入邮箱地址',
       codePlaceholder: '输入验证码',
       passwordPlaceholder: '设置登录密码',
+      replaceEmailPasswordPlaceholder: '输入当前密码',
       sendCodeAction: '发送验证码',
       confirmEmailBindAction: '绑定邮箱',
+      confirmEmailReplaceAction: '更换主邮箱',
       codeSentTo: '验证码已发送到 {email}',
+      replaceSuccess: '主邮箱已更新',
       status: {
         bound: '已绑定',
         notBound: '未绑定',