feat: 完成后端全套自动化脚本、Makefile、README，支持一键启动与测试

backend/Makefile

@@ -1,6 +1,6 @@
 # Makefile for backend services
 
-.PHONY: build up down logs status dev-up dev-down
+.PHONY: build up down logs status dev-up dev-down gen-proto dev-start test
 
 build:
 	docker-compose build
@@ -31,3 +31,13 @@ status:
 
 dev-status:
 	docker-compose -f docker-compose.dev.yml ps
+
+gen-proto:
+	chmod +x ./scripts/gen-proto.sh && ./scripts/gen-proto.sh
+
+dev-start:
+	chmod +x ./scripts/dev-start.sh && ./scripts/dev-start.sh
+
+test:
+	echo "Running tests..."
+	docker-compose -f docker-compose.dev.yml run --rm user-svc sh -c "go test ./..."