feat: 添加高亮行与序号列，优化全屏及缓存布局

backend/app/scripts/data/sys_menu.json

@@ -2682,32 +2682,11 @@
         ],
         "client": "pc"
       },
-      {
-        "name": "会话聊天",
-        "type": 2,
-        "icon": "ri:message-3-line",
-        "order": 2,
-        "permission": "module_ai:chat:query",
-        "route_name": "FaChat",
-        "route_path": "/ai/fachat",
-        "component_path": "module_ai/fachat/index",
-        "status": "0",
-        "keep_alive": true,
-        "hidden": false,
-        "always_show": false,
-        "title": "会话聊天",
-        "params": null,
-        "affix": false,
-        "redirect": null,
-        "description": "会话聊天（FaChat）",
-        "children": [],
-        "client": "pc"
-      },
       {
         "name": "会话记忆",
         "type": 2,
         "icon": "ri:chat-3-line",
-        "order": 3,
+        "order": 2,
         "permission": "module_ai:chat:query",
         "route_name": "Memory",
         "route_path": "/ai/memory",