fix(auth): prevent AttributeError when querying permissions for users with no role

docker-compose.yml

@@ -1,7 +1,6 @@
 version: '3.8'
 
 services:
-  # --- 数据库服务 ---
   db:
     image: postgres:15-alpine
     container_name: inventory_db
@@ -11,42 +10,35 @@ services:
       POSTGRES_PASSWORD: 1234
       POSTGRES_DB: inventory_system
     volumes:
-      # 数据持久化
       - ./pgdata_docker:/var/lib/postgresql/data
     ports:
-      - "5434:5432"
+      - "5435:5432"
 
-  # --- 后端 Flask 服务 ---
   backend:
     build:
-      context: ./inventory-backend  # 指向你的新后端目录
+      context: ./inventory-backend
     container_name: inventory_api
     restart: always
     ports:
       - "8000:8000"
     volumes:
-      - ./inventory-backend:/app # 挂载代码，实现热更新
-      # 【核心修改】显式挂载 uploads 目录，确保图片持久化且宿主机可见
+      - ./inventory-backend:/app
       - ./inventory-backend/uploads:/app/uploads
     command: gunicorn -c gunicorn.conf.py run:app --reload
     environment:
-      # Host 必须写 'db'
       DATABASE_URL: postgresql://test:1234@db:5432/inventory_system
     depends_on:
       - db
 
-  # --- 前端 Vue 开发服务 ---
   frontend:
     build:
       context: ./inventory-web
     container_name: inventory_ui
     restart: always
-    # 把本地代码挂载进去，实现“热更新”
     volumes:
       - ./inventory-web:/app
-      - /app/node_modules  # 排除 node_modules，防止冲突
-    # 开发模式端口通常是 5173
+      - /app/node_modules
     ports:
-      - "5173:5173"
+      - "5175:5173"
     depends_on:
-      - backend
+      - backend