refactor: 删除 constants 目录，直接使用源路径

- 删除 src/constants/ 目录（仅为转发代理）
- 更新 8 个文件的导入路径：
  * STORAGE_KEYS  @/config/storage
  * VALIDATORS  @/utils/validators
  * ROLE_ROOT  @/enums
- 修复旧的枚举路径（settings/device-enum 等）

src/store/modules/app-store.ts

@@ -4,9 +4,8 @@ import { defaultSettings } from "@/settings";
 import zhCn from "element-plus/es/locale/lang/zh-cn";
 import en from "element-plus/es/locale/lang/en";
 import { store } from "@/store";
-import { DeviceEnum } from "@/enums/settings/device-enum";
-import { SidebarStatus } from "@/enums/settings/layout-enum";
-import { STORAGE_KEYS } from "@/constants";
+import { DeviceEnum, SidebarStatus } from "@/enums";
+import { STORAGE_KEYS } from "@/config/storage";
 
 export const useAppStore = defineStore("app", () => {
   // 设备类型

src/store/modules/dict-store.ts

@@ -1,6 +1,6 @@
 import { store } from "@/store";
 import DictAPI, { type DictItemOption } from "@/api/system/dict";
-import { STORAGE_KEYS } from "@/constants";
+import { STORAGE_KEYS } from "@/config/storage";
 
 export const useDictStore = defineStore("dict", () => {
   // 字典数据缓存

src/store/modules/settings-store.ts

@@ -1,8 +1,8 @@
 import { defaultSettings } from "@/settings";
-import { SidebarColor, ThemeMode } from "@/enums/settings/theme-enum";
-import type { LayoutMode } from "@/enums/settings/layout-enum";
+import { SidebarColor, ThemeMode } from "@/enums";
+import type { LayoutMode } from "@/enums";
 import { applyTheme, generateThemeColors, toggleDarkMode, toggleSidebarColor } from "@/utils/theme";
-import { STORAGE_KEYS } from "@/constants";
+import { STORAGE_KEYS } from "@/config/storage";
 
 // 🎯 设置项类型定义
 interface SettingsState {

src/store/modules/tenant-store.ts

@@ -1,6 +1,6 @@
 import { store } from "@/store";
 import TenantAPI, { type TenantInfo } from "@/api/system/tenant";
-import { STORAGE_KEYS } from "@/constants";
+import { STORAGE_KEYS } from "@/config/storage";
 
 /**
  * 租户 Store