refactor: 重构新手引导系统，替换旧引导方案

1.  删除旧的GuideComp组件和guide1引导预制体
2.  移除UIConfig中旧的Guide1配置项
3.  改用基于smc.data.tip_done的精细化单步引导
4.  为主页开始按钮新增首次启动引导逻辑
5.  优化引导状态管理，仅单次提示未完成步骤

assets/resources/gui/element/guide1.prefab.meta

@@ -1,13 +0,0 @@
-{
-  "ver": "1.1.50",
-  "importer": "prefab",
-  "imported": true,
-  "uuid": "93fda804-b794-4119-a287-952a70be15cb",
-  "files": [
-    ".json"
-  ],
-  "subMetas": {},
-  "userData": {
-    "syncNodeName": "guide1"
-  }
-}