优化

finance/src/main/java/com/baiyue/finance/service/FinanceSettlementService.java

@@ -66,11 +66,7 @@ public class FinanceSettlementService {
     private final FinanceSupplierValidator supplierValidator;
     private final FinanceDocumentNumberGenerator documentNumbers;
 
-    public FinanceSettlementService(JdbcTemplate jdbc, ObjectMapper objectMapper, FinanceVoucherValidator voucherValidator,
-                                    FinanceSupplierValidator supplierValidator) {
-        this(jdbc, objectMapper, voucherValidator, supplierValidator, new FinanceDocumentNumberGenerator(jdbc));
-    }
-
+    /** 注入统一编号组件，确保所有业务入口共用受事务保护的日流水。 */
     @Autowired
     public FinanceSettlementService(JdbcTemplate jdbc, ObjectMapper objectMapper, FinanceVoucherValidator voucherValidator,
                                     FinanceSupplierValidator supplierValidator,
@@ -82,6 +78,7 @@ public class FinanceSettlementService {
         this.documentNumbers = documentNumbers;
     }
 
+    /** 创建应收结算单，幂等请求恢复原单，首次建单分配 AR 日流水。 */
     @Transactional
     public SettlementDetail createReceivableSettlement(long operatorId, String key,
                                                         CreateReceivableSettlementRequest request) {

finance/src/main/java/com/baiyue/finance/service/ReconciliationStatementService.java

@@ -46,10 +46,7 @@ public class ReconciliationStatementService {
     private final ObjectMapper objectMapper;
     private final FinanceDocumentNumberGenerator documentNumbers;
 
-    public ReconciliationStatementService(JdbcTemplate jdbc, ObjectMapper objectMapper) {
-        this(jdbc, objectMapper, new FinanceDocumentNumberGenerator(jdbc));
-    }
-
+    /** 注入统一编号组件，确保所有业务入口共用受事务保护的日流水。 */
     @Autowired
     public ReconciliationStatementService(JdbcTemplate jdbc, ObjectMapper objectMapper,
                                           FinanceDocumentNumberGenerator documentNumbers) {
@@ -58,6 +55,7 @@ public class ReconciliationStatementService {
         this.documentNumbers = documentNumbers;
     }
 
+    /** 创建对账单并分配 REC 日流水，重复请求返回已创建记录。 */
     @Transactional
     public ReconciliationDetail create(long operatorId, String key, CreateReconciliationRequest request) {
         validateCreate(request);