修复手机端名单：单击/双击用户名均关闭抽屉，引入互斥定时器防止双击时抽屉提前关闭

resources/views/chat/partials/scripts.blade.php

@@ -235,12 +235,25 @@
                 <span class="user-name" style="${nameColor}">${username}</span>${badges}
             `;
 
+            // 单击/双击互斥：单击延迟 250ms 执行，双击取消单击定时器后直接执行双击逻辑
+            let _clickTimer = null;
             item.onclick = () => {
-                toUserSelect.value = username;
+                if (_clickTimer) { return; }
-                document.getElementById('content').focus();
+                _clickTimer = setTimeout(() => {
+                    _clickTimer = null;
+                    toUserSelect.value = username;
+                    // 手机端：点击名字时关闭名单抽屉
+                    if (typeof closeMobileDrawer === 'function') { closeMobileDrawer(); }
+                    document.getElementById('content').focus();
+                }, 250);
+            };
+            // 双击打开用户名片弹窗（全局统一入口）；手机端同时关闭名单抽屉
+            item.ondblclick = () => {
+                // 取消尚未执行的单击定时器
+                if (_clickTimer) { clearTimeout(_clickTimer); _clickTimer = null; }
+                if (typeof closeMobileDrawer === 'function') { closeMobileDrawer(); }
+                openUserCard(username);
             };
-            // 双击打开用户名片弹窗（全局统一入口）
-            item.ondblclick = () => openUserCard(username);
             targetContainer.appendChild(item);
         });
     }