zkxw/docs/sql/patch_2026-07-23_oa_instance_initiator_select_json.sql

-- OA 实例：按节点持久化发起人自选（nodeId -> userId[]）
ALTER TABLE oa_instance
  ADD COLUMN initiator_select_json TEXT NULL COMMENT '发起人自选 JSON {nodeId:[userId,...]}'
  AFTER form_data_json;