fix: track middle-click and context menu opens as visited

- Added mousedown listener for middle-click (button 1) events
- Added contextmenu listener for right-click menu actions
- Ensures posts opened in new tabs are marked as visited

51cg-helper.user.js

@@ -211,6 +211,7 @@
     function setupClickListeners() {
         // 监听所有帖子链接的点击
         document.querySelectorAll('a[href*="/archives/"]').forEach(link => {
+            // 处理普通左键点击
             link.addEventListener('click', function() {
                 const match = this.href.match(/\/archives\/(\d+)\//);
                 if (match) {
@@ -223,6 +224,40 @@
                     }
                 }
             });
+
+            // 处理鼠标中键点击（新标签页打开）
+            link.addEventListener('mousedown', function(e) {
+                // 中键点击 (button === 1)
+                if (e.button === 1) {
+                    const match = this.href.match(/\/archives\/(\d+)\//);
+                    if (match) {
+                        const postId = match[1];
+                        markPostAsVisited(postId);
+                        // 立即应用样式
+                        const postCard = document.getElementById(`post-card-${postId}`);
+                        if (postCard) {
+                            postCard.classList.add('visited');
+                        }
+                    }
+                }
+            });
+
+            // 处理右键菜单"在新标签页中打开"
+            link.addEventListener('contextmenu', function() {
+                // 延迟执行，让用户有机会选择菜单项
+                setTimeout(() => {
+                    const match = this.href.match(/\/archives\/(\d+)\//);
+                    if (match) {
+                        const postId = match[1];
+                        markPostAsVisited(postId);
+                        // 立即应用样式
+                        const postCard = document.getElementById(`post-card-${postId}`);
+                        if (postCard) {
+                            postCard.classList.add('visited');
+                        }
+                    }
+                }, 100);
+            });
         });
     }