docs(design): 删除磁盘监控设计文档并更新前端页面结构规范

- 删除 frontend/src/views/systemMonitor/2026-04-22-disk-monitor-design.md 设计文档
- 删除 frontend/src/views/tools/addLedger/API_DEBUG.md 调试文档
- 在 AGENTS.md 中新增前端页面结构归档章节，规范复杂工具页结构
- 明确 index.vue、components/、utils/ 职责边界和拆分原则
- 规定页面级类型和 contract 脚本管理方式
- 统一复杂页面拆分优先顺序和注意事项

frontend/src/layouts/components/Menu/SubMenu.vue

@@ -21,6 +21,7 @@
 </template>
 <script setup lang="ts">
 import { useRouter } from 'vue-router'
+import { resolveBusinessMenuPath } from '@/stores/modules/auth'
 
 defineProps<{ menuList: Menu.MenuOptions[] }>()
 const router = useRouter()
@@ -29,7 +30,7 @@ const handleClickMenu = async (subItem: Menu.MenuOptions) => {
         window.open(subItem.meta.isLink, '_blank')
         return
     }
-    await router.push(subItem.path)
+    await router.push(resolveBusinessMenuPath(subItem))
 }
 </script>
 <style lang="scss">