feat:修复AI摘要插件打字抽搐问题

src/pages/posts/[...slug].astro

@@ -141,23 +141,50 @@ const jsonLd = {
         <link rel="stylesheet" href="https://ai.zhheo.com/static/public/tianli_gpt.min.css">
         
         <script is:inline>
-            var tianliGPT_postSelector = '.markdown-content';
-            var tianliGPT_wordLimit = 700;
-            var tianliGPT_Title = '智能摘要';
-            var tianliGPT_key = 'S-HMJ7UXQGBIAZ0U8Q';
+            // 1. 设置全局参数
+            window.tianliGPT_postSelector = '.markdown-content';
+            window.tianliGPT_wordLimit = 700;
+            window.tianliGPT_Title = '智能摘要';
+            window.tianliGPT_key = 'S-HMJ7UXQGBIAZ0U8Q';
 
-            // 延迟 300ms 执行，确保 Swup 切换后新内容已就绪
-            setTimeout(function() {
-                var oldScript = document.getElementById('tianli-gpt-script');
-                if (oldScript) { oldScript.remove(); }
+            (function() {
+                // 定义一个“哨兵”计数器，防止死循环
+                var checkCount = 0;
+                var maxChecks = 100; // 最多等 5秒 (100 * 50ms)
 
-                var script = document.createElement('script');
-                script.id = 'tianli-gpt-script';
-                script.src = 'https://ai.zhheo.com/static/public/tianli_gpt.min.js';
-                script.async = true;
-                
-                document.body.appendChild(script);
-            }, 300);
+                function initHongmo() {
+                    var content = document.querySelector('.markdown-content');
+                    
+                    // 1. 还没找到文章内容？那就过 50ms 再来看看
+                    if (!content) {
+                        if (checkCount < maxChecks) {
+                            checkCount++;
+                            setTimeout(initHongmo, 50);
+                        }
+                        return;
+                    }
+
+                    // 2. [关键修复] 防抽搐：检查是否已经有生成的摘要了？
+                    // 如果已经有 .tianli-gpt-response 元素，说明插件已经在运行，直接退出，别搞第二次
+                    if (content.querySelector('.tianli-gpt-response')) {
+                        return;
+                    }
+
+                    // 3. 清理旧脚本，防止重复
+                    var oldScript = document.getElementById('tianli-gpt-script');
+                    if (oldScript) { oldScript.remove(); }
+
+                    // 4. 一切就绪，注入新脚本
+                    var script = document.createElement('script');
+                    script.id = 'tianli-gpt-script';
+                    script.src = 'https://ai.zhheo.com/static/public/tianli_gpt.min.js';
+                    script.async = true;
+                    document.body.appendChild(script);
+                }
+
+                // 立即开始执行检测
+                initHongmo();
+            })();
         </script>
     </div>