🧹 清理重复配置文件

- 删除根目录中重复的 NestJS 配置文件
- 删除 tsconfig.json, tsconfig.build.json, eslint.config.mjs, .prettierrc
- 保留 wwjcloud-nest/ 目录中的完整配置
- 避免配置冲突，确保项目结构清晰

admin-vben/packages/effects/access/src/use-access.ts

@@ -0,0 +1,53 @@
+import { computed } from 'vue';
+
+import { preferences, updatePreferences } from '@vben/preferences';
+import { useAccessStore, useUserStore } from '@vben/stores';
+
+function useAccess() {
+  const accessStore = useAccessStore();
+  const userStore = useUserStore();
+  const accessMode = computed(() => {
+    return preferences.app.accessMode;
+  });
+
+  /**
+   * 基于角色判断是否有权限
+   * @description: Determine whether there is permission，The role is judged by the user's role
+   * @param roles
+   */
+  function hasAccessByRoles(roles: string[]) {
+    const userRoleSet = new Set(userStore.userRoles);
+    const intersection = roles.filter((item) => userRoleSet.has(item));
+    return intersection.length > 0;
+  }
+
+  /**
+   * 基于权限码判断是否有权限
+   * @description: Determine whether there is permission，The permission code is judged by the user's permission code
+   * @param codes
+   */
+  function hasAccessByCodes(codes: string[]) {
+    const userCodesSet = new Set(accessStore.accessCodes);
+
+    const intersection = codes.filter((item) => userCodesSet.has(item));
+    return intersection.length > 0;
+  }
+
+  async function toggleAccessMode() {
+    updatePreferences({
+      app: {
+        accessMode:
+          preferences.app.accessMode === 'frontend' ? 'backend' : 'frontend',
+      },
+    });
+  }
+
+  return {
+    accessMode,
+    hasAccessByCodes,
+    hasAccessByRoles,
+    toggleAccessMode,
+  };
+}
+
+export { useAccess };