✨ 组织机构支持合同初始流水号

Co-authored-by: Cursor <cursoragent@cursor.com>

doc/sql/bladex/bladex.mysql.all.create.sql

@@ -305,6 +305,7 @@ CREATE TABLE `blade_dept`  (
   `dept_code` varchar(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '组织编码',
   `kingdee_dept_code` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '金蝶部门代码',
   `contract_code_prefix` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '合同编码前缀',
+  `contract_initial_serial` int NULL DEFAULT NULL COMMENT '合同初始流水号',
   `short_name` varchar(45) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '组织简称',
   `pinyin_mnemonic` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '拼音助记码',
   `mnemonic_code` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '助记码',

doc/sql/transport/blade_dept_contract_initial_serial_20261020.sql

@@ -0,0 +1,3 @@
+-- 组织机构新增合同初始流水号：该部门当年首个合同从此流水号起编，后续递增
+ALTER TABLE `blade_dept`
+  ADD COLUMN `contract_initial_serial` int(11) DEFAULT NULL COMMENT '合同初始流水号' AFTER `contract_code_prefix`;