优化

deploy/sql/头程数据库统一增量-MySQL8.sql

@@ -4850,6 +4850,13 @@ DELIMITER ;
 CALL phase3_add_allocation_picked_count();
 DROP PROCEDURE phase3_add_allocation_picked_count;
 
+CREATE TABLE IF NOT EXISTS fl_document_sequence (
+  sequence_key VARCHAR(32) NOT NULL COMMENT '单据类型与北京时间日期组合键，例如CAB:20260818',
+  current_value INT UNSIGNED NOT NULL COMMENT '该类型当日已分配的最大序号',
+  PRIMARY KEY (sequence_key),
+  CONSTRAINT chk_fl_document_sequence_value CHECK (current_value > 0)
+) ENGINE=InnoDB COMMENT='头程履约业务单号日序列；生成YYMMDD加四位当日序号';
+
 CREATE TABLE IF NOT EXISTS fl_container_booking (
   id BIGINT UNSIGNED NOT NULL COMMENT '货柜预订ID（雪花ID）',
   booking_no VARCHAR(40) NOT NULL COMMENT '平台唯一货柜预订单号',
@@ -10954,6 +10961,13 @@ CREATE TABLE IF NOT EXISTS fin_idempotency_record (
   UNIQUE KEY uk_fin_idempotency (tenant_id, operator_id, operation, idempotency_key)
 ) ENGINE=InnoDB COMMENT='Finance人工写操作幂等记录';
 
+CREATE TABLE IF NOT EXISTS fin_document_sequence (
+  sequence_key VARCHAR(32) NOT NULL COMMENT '单据类型与北京时间日期组合键，例如REC:20260818',
+  current_value INT UNSIGNED NOT NULL COMMENT '该类型当日已分配的最大序号',
+  PRIMARY KEY (sequence_key),
+  CONSTRAINT chk_fin_document_sequence_value CHECK (current_value > 0)
+) ENGINE=InnoDB COMMENT='Finance业务单号日序列；生成YYMMDD加四位当日序号';
+
 CREATE TABLE IF NOT EXISTS fin_audit_log (
   id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
   tenant_id BIGINT UNSIGNED NOT NULL COMMENT '客户ID和数据隔离键',