优化

finance/src/main/resources/db/finance.sql

@@ -20,11 +20,9 @@ CREATE TABLE IF NOT EXISTS fin_fee_source (
   currency_code CHAR(3) NOT NULL DEFAULT 'CNY' COMMENT 'ISO 4217三位币种代码，首期仅CNY',
   source_hash CHAR(64) NOT NULL COMMENT 'Firstleg费用来源完整快照SHA-256哈希',
   source_snapshot JSON NOT NULL COMMENT 'Firstleg费用来源完整不可变JSON快照',
-  review_status VARCHAR(16) NOT NULL DEFAULT 'PENDING' COMMENT 'Finance费用审核状态：PENDING待审核、APPROVED已通过、REJECTED已驳回',
+  review_status VARCHAR(16) NOT NULL DEFAULT 'DRAFT' COMMENT 'Finance费用状态：DRAFT草稿、PENDING待审核、APPROVED已通过、REJECTED已驳回',
   review_reason VARCHAR(500) NULL COMMENT 'Finance费用审核说明或驳回原因',
-  settlement_included TINYINT NOT NULL DEFAULT 0 COMMENT '是否已人工确认参与结算：0否、1是',
-  settlement_reason VARCHAR(500) NULL COMMENT '参与或禁止结算的人工说明',
-  operation_version INT UNSIGNED NOT NULL DEFAULT 0 COMMENT '费用审核和结算参与操作版本号',
+  operation_version INT UNSIGNED NOT NULL DEFAULT 0 COMMENT '费用编辑、提交、审核、调整和作废操作版本号',
   status VARCHAR(16) NOT NULL DEFAULT 'AVAILABLE' COMMENT '费用来源状态：AVAILABLE可结算、SUPERSEDED已被新版本替代、VOIDED已作废',
   created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) COMMENT '来源快照入池时间',
   updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3) COMMENT '来源状态最后更新时间，数据修改时自动刷新',
@@ -284,6 +282,13 @@ 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',