fix(backend): 延迟注入 CF 分佣服务打破启动循环依赖

cfc-backend/src/main/java/com/etotem/cfc/service/MembershipService.java

@@ -46,7 +46,9 @@ public class MembershipService implements MembershipServiceInterface {
     @Resource
     private PaymentOrderMapper paymentOrderMapper;
 
+    // @Lazy 打破 MembershipService ↔ CfCommissionService → CfEarnDispatchService → CfBalanceService 循环依赖
     @Resource
+    @Lazy
     private CfCommissionService cfCommissionService;
 
     @Resource