refactor(i18n): use JSON with flattened key and namespace (#30114)

Co-authored-by: yyh <yuanyouhuilyz@gmail.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

web/app/components/plugins/plugin-auth/authorize/api-key-modal.tsx

@@ -64,7 +64,7 @@ const ApiKeyModal = ({
       {
         type: FormTypeEnum.textInput,
         name: '__name__',
-        label: t('plugin.auth.authorizationName'),
+        label: t('auth.authorizationName', { ns: 'plugin' }),
         required: false,
       },
       ...mergedData,
@@ -115,7 +115,7 @@ const ApiKeyModal = ({
       }
       notify({
         type: 'success',
-        message: t('common.api.actionSuccess'),
+        message: t('api.actionSuccess', { ns: 'common' }),
       })
 
       onClose?.()
@@ -129,8 +129,8 @@ const ApiKeyModal = ({
   return (
     <Modal
       size="md"
-      title={t('plugin.auth.useApiAuth')}
-      subTitle={t('plugin.auth.useApiAuthDesc')}
+      title={t('auth.useApiAuth', { ns: 'plugin' })}
+      subTitle={t('auth.useApiAuthDesc', { ns: 'plugin' })}
       onClose={onClose}
       onCancel={onClose}
       footerSlot={