fix(email): complete mail settings and templates

src/Admin/UserController.php

@@ -87,13 +87,6 @@ class UserController extends ControllerBase {
             'permission_callback' => [$this, 'check_permission'],
         ]);
 
-        // Mail templates (email content templates)
-        register_rest_route(self::API_NAMESPACE, '/settings/mail-templates', [
-            'methods'             => ['GET', 'POST'],
-            'callback'            => [$this, 'handle_mail_templates'],
-            'permission_callback' => [$this, 'check_permission'],
-        ]);
-
         register_rest_route(self::API_NAMESPACE, '/assets/settings', [
             'methods'             => ['GET', 'POST'],
             'callback'            => [$this, 'rest_handle_credit_settings'],
@@ -325,40 +318,6 @@ class UserController extends ControllerBase {
     }
 
 
-    /**
-     * GET/POST /settings/mail-templates — 邮件内容模板
-     */
-    public function handle_mail_templates(\WP_REST_Request $request): \WP_REST_Response {
-        $option_key = 'aksrt_mail_templates';
-        $fields = [
-            'welcome_subject', 'welcome_body',
-            'comment_notify_subject', 'comment_notify_body',
-            'comment_reply_subject', 'comment_reply_body',
-            'password_reset_subject', 'password_reset_body',
-            'email_verify_subject', 'email_verify_body',
-        ];
-
-        if ($request->get_method() === 'GET') {
-            $stored = get_option($option_key, []);
-            if (!is_array($stored)) $stored = [];
-            $result = [];
-            foreach ($fields as $f) {
-                $result[$f] = sanitize_text_field((string) ($stored[$f] ?? ''));
-            }
-            return $this->success(['data' => $result]);
-        }
-
-        // POST
-        $params = $this->get_json_params($request);
-        $clean = [];
-        foreach ($fields as $f) {
-            $clean[$f] = wp_kses_post((string) ($params[$f] ?? ''));
-        }
-        update_option($option_key, $clean);
-
-        return $this->success(['message' => __('邮件模板已保存', 'aksrt')]);
-    }
-
     public function rest_handle_credit_settings(\WP_REST_Request $request): \WP_REST_Response {
         if ($request->get_method() === 'GET') {
             $config = \AKSRT\Settings\CreditsRuntime::get_credit_settings();