fix: 优化评论发送速度和邮件通知系统

- AI 垃圾评论检测改为异步执行（延迟 2 秒），避免阻塞评论发送
- 站长评论通知改用邮件模板系统发送
- 站长评论通知邮件包含 AI 审核信息（识别结果、理由、识别码）
- 禁用 WordPress 默认的评论通知邮件
- 邮件模板系统支持 Mustache 条件语法（{{#variable}}...{{/variable}}）
- 评论发送、AI 审核、邮件通知全部异步并行处理

email-templates/base.php

@@ -23,6 +23,14 @@ function argon_get_email_types() {
 <div style="background: #f6f9fc; border-left: 4px solid {{theme_color}}; padding: 16px; border-radius: 4px; margin: 0 0 20px 0;">
     <p style="margin: 0; color: #525f7f; line-height: 1.6;">{{comment_content}}</p>
 </div>
+{{#ai_spam_check}}
+<div style="background: {{#ai_is_spam}}#fff5f5{{/ai_is_spam}}{{^ai_is_spam}}#f0fdf4{{/ai_is_spam}}; border-left: 4px solid {{#ai_is_spam}}#f56565{{/ai_is_spam}}{{^ai_is_spam}}#48bb78{{/ai_is_spam}}; padding: 12px 16px; border-radius: 4px; margin: 0 0 20px 0;">
+    <p style="margin: 0 0 8px 0; color: #2d3748; font-size: 14px; font-weight: 600;">🤖 AI 内容审核</p>
+    <p style="margin: 0 0 4px 0; color: #4a5568; font-size: 13px;">识别结果：{{#ai_is_spam}}<span style="color: #e53e3e; font-weight: 600;">疑似垃圾评论</span>{{/ai_is_spam}}{{^ai_is_spam}}<span style="color: #38a169; font-weight: 600;">正常评论</span>{{/ai_is_spam}}</p>
+    {{#ai_spam_reason}}<p style="margin: 0 0 4px 0; color: #4a5568; font-size: 13px;">识别理由：{{ai_spam_reason}}</p>{{/ai_spam_reason}}
+    {{#ai_detection_code}}<p style="margin: 0; color: #718096; font-size: 12px;">识别码：{{ai_detection_code}}</p>{{/ai_detection_code}}
+</div>
+{{/ai_spam_check}}
 <p style="margin: 0;">
     <a href="{{comment_url}}" style="display: inline-block; background: {{theme_color}}; color: #ffffff; padding: 10px 20px; border-radius: 4px; text-decoration: none; font-size: 14px;">查看评论</a>
 </p>',
@@ -35,6 +43,10 @@ function argon_get_email_types() {
                 'comment_content' => __('评论内容', 'argon'),
                 'comment_url' => __('评论链接', 'argon'),
                 'comment_date' => __('评论时间', 'argon'),
+                'ai_spam_check' => __('是否进行了 AI 审核', 'argon'),
+                'ai_is_spam' => __('AI 判断是否为垃圾评论', 'argon'),
+                'ai_spam_reason' => __('AI 识别理由', 'argon'),
+                'ai_detection_code' => __('AI 识别码', 'argon'),
                 'theme_color' => __('主题色', 'argon'),
             ),
         ),
@@ -314,7 +326,29 @@ function argon_replace_placeholders($template, $vars, $escape = false) {
     
     $vars = array_merge($global_vars, $vars);
     
-    // 处理条件语句 {{#if variable}}...{{/if}}
+    // 处理 Mustache 风格的条件语句 {{#variable}}...{{/variable}}
+    $template = preg_replace_callback('/\{\{#(\w+)\}\}(.*?)\{\{\/\1\}\}/s', function($matches) use ($vars) {
+        $var_name = $matches[1];
+        $content = $matches[2];
+        // 如果变量存在且为真值，返回内容
+        if (isset($vars[$var_name]) && $vars[$var_name]) {
+            return $content;
+        }
+        return '';
+    }, $template);
+    
+    // 处理 Mustache 风格的反向条件语句 {{^variable}}...{{/variable}}
+    $template = preg_replace_callback('/\{\{\^(\w+)\}\}(.*?)\{\{\/\1\}\}/s', function($matches) use ($vars) {
+        $var_name = $matches[1];
+        $content = $matches[2];
+        // 如果变量不存在或为假值，返回内容
+        if (!isset($vars[$var_name]) || !$vars[$var_name]) {
+            return $content;
+        }
+        return '';
+    }, $template);
+    
+    // 处理旧版条件语句 {{#if variable}}...{{/if}}（向后兼容）
     $template = preg_replace_callback('/\{\{#if\s+(\w+)\}\}(.*?)\{\{\/if\}\}/s', function($matches) use ($vars) {
         $var_name = $matches[1];
         $content = $matches[2];

email-templates/comment-notify.php

@@ -45,6 +45,21 @@ function argon_send_comment_notify_email($comment) {
         'comment_date' => get_comment_date(get_option('date_format') . ' ' . get_option('time_format'), $comment),
     );
     
+    // 检查是否有 AI 审核信息
+    $spam_detection_result = get_comment_meta($comment->comment_ID, '_argon_spam_detection_result', true);
+    if (!empty($spam_detection_result) && is_array($spam_detection_result)) {
+        $vars['ai_spam_check'] = true;
+        $vars['ai_is_spam'] = $spam_detection_result['is_spam'];
+        $vars['ai_spam_reason'] = isset($spam_detection_result['reason']) ? $spam_detection_result['reason'] : '';
+        $vars['ai_spam_action'] = isset($spam_detection_result['action']) ? $spam_detection_result['action'] : '';
+        
+        // 生成内容识别码（评论 ID + 时间戳的 MD5）
+        $detection_time = get_comment_meta($comment->comment_ID, '_argon_spam_detection_time', true);
+        $vars['ai_detection_code'] = strtoupper(substr(md5($comment->comment_ID . '-' . $detection_time), 0, 8));
+    } else {
+        $vars['ai_spam_check'] = false;
+    }
+    
     // 发送邮件
     return argon_send_email($admin_email, 'comment_notify', $vars);
 }

functions.php

@@ -2934,6 +2934,36 @@ function post_comment_updatemetas($id){
 add_action('comment_post' , 'post_comment_updatemetas');
 add_action('comment_unapproved_to_approved', 'comment_mail_notify');
 add_rewrite_rule('^unsubscribe-comment-mailnotice/?(.*)$', '/wp-content/themes/argon/unsubscribe-comment-mailnotice.php$1', 'top');
+
+/**
+ * 发送新评论通知给站长（异步）
+ */
+function argon_notify_admin_new_comment($comment_id) {
+	$comment = get_comment($comment_id);
+	if (!$comment) {
+		return;
+	}
+	
+	// 使用邮件模板系统发送通知
+	argon_send_comment_notify_email($comment);
+}
+add_action('argon_async_admin_comment_notify', 'argon_notify_admin_new_comment');
+
+/**
+ * 评论发布后异步通知站长
+ */
+function argon_schedule_admin_comment_notify($comment_id, $comment_approved) {
+	// 延迟 1 秒发送，让评论元数据先保存
+	wp_schedule_single_event(time() + 1, 'argon_async_admin_comment_notify', [$comment_id]);
+}
+add_action('comment_post', 'argon_schedule_admin_comment_notify', 20, 2);
+
+/**
+ * 禁用 WordPress 默认的评论通知邮件
+ */
+add_filter('notify_post_author', '__return_false');
+add_filter('notify_moderator', '__return_false');
+
 //编辑评论
 function user_edit_comment(){
 	header('Content-Type:application/json; charset=utf-8');
@@ -7493,8 +7523,8 @@ function argon_auto_detect_spam_on_comment($comment_id, $comment_approved) {
 	}
 	
 	if ($should_check) {
-		// 异步检测
+		// 异步检测（延迟 2 秒执行，避免阻塞评论发送）
-		wp_schedule_single_event(time(), 'argon_async_spam_detection', [$comment_id]);
+		wp_schedule_single_event(time() + 2, 'argon_async_spam_detection', [$comment_id]);
 	}
 }
 add_action('comment_post', 'argon_auto_detect_spam_on_comment', 10, 2);