baseline: 批次A-D 成果 + membership 半成品（测试红）

backend/apps/inventory/urls.py

@@ -0,0 +1,17 @@
+"""inventory URL。"""
+
+from django.urls import path, include
+from adrf.routers import DefaultRouter as ADRouter
+from .views import WarehouseViewSet, StockViewSet, StockMovementViewSet, StockBatchViewSet
+
+
+router = ADRouter()
+router.register("warehouses", WarehouseViewSet, basename="warehouse")
+router.register("stocks", StockViewSet, basename="stock")
+router.register("movements", StockMovementViewSet, basename="movement")
+router.register("batches", StockBatchViewSet, basename="stockbatch")
+
+
+urlpatterns = [
+    path("", include(router.urls)),
+]