✨ 异常处置跟进支持上传附件

跟进记录新增 attachments_json 列，存 [{name, url}] 形式的 JSON 数组。
跟进说明与附件至少填其一即可：只传附件时，follow_content 列为 NOT NULL，
故写入固定文案「已上传跟进附件」，列表按该文案展示。

建表脚本补 COLLATE：原先只写 CHARSET，落到 MySQL 8 服务器默认排序规则，
与库中实际的 utf8mb4_0900_ai_ci 不一致。

doc/sql/transport/blade_exception_disposal_20260812.sql

@@ -34,7 +34,7 @@ CREATE TABLE IF NOT EXISTS `blade_exception_disposal` (
   KEY `idx_exception_disposal_status` (`disposal_status`) USING BTREE,
   KEY `idx_exception_disposal_report_time` (`report_time`) USING BTREE,
   KEY `idx_exception_disposal_create_time` (`create_time`) USING BTREE
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='异常处置';
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='异常处置';
 
 CREATE TABLE IF NOT EXISTS `blade_exception_disposal_follow_record` (
   `id` bigint(20) NOT NULL COMMENT '主键',
@@ -48,13 +48,14 @@ CREATE TABLE IF NOT EXISTS `blade_exception_disposal_follow_record` (
   `is_deleted` int(11) DEFAULT '0' COMMENT '是否已删除',
   `disposal_id` bigint(20) NOT NULL COMMENT '异常处置ID',
   `follow_content` varchar(500) NOT NULL COMMENT '跟进说明',
+  `attachments_json` text DEFAULT NULL COMMENT '附件JSON',
   `follow_user` bigint(20) DEFAULT NULL COMMENT '跟进人',
   `follow_user_name` varchar(100) DEFAULT NULL COMMENT '跟进人姓名',
   `follow_time` datetime DEFAULT NULL COMMENT '跟进时间',
   PRIMARY KEY (`id`) USING BTREE,
   KEY `idx_exception_follow_disposal` (`disposal_id`) USING BTREE,
   KEY `idx_exception_follow_time` (`follow_time`) USING BTREE
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='异常处置跟进记录';
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='异常处置跟进记录';
 
 INSERT INTO `blade_menu` (`id`, `parent_id`, `code`, `name`, `alias`, `path`, `source`, `sort`, `category`, `action`, `is_open`, `component`, `remark`, `is_deleted`)
 VALUES

doc/sql/transport/blade_exception_disposal_follow_attachments_20261010.sql

@@ -0,0 +1,27 @@
+-- 异常处置跟进记录补充附件
+-- 日期：2026-10-10
+--
+-- 附件以 JSON 数组存放（[{"name":"...","url":"..."}]），与本仓库其它附件字段一致。
+
+DELIMITER $$
+
+DROP PROCEDURE IF EXISTS `upgrade_blade_exception_disposal_follow_attachments_20261010`$$
+CREATE PROCEDURE `upgrade_blade_exception_disposal_follow_attachments_20261010`()
+BEGIN
+  DECLARE db_name varchar(128);
+  SET db_name = DATABASE();
+
+  IF NOT EXISTS (SELECT 1 FROM information_schema.columns
+                 WHERE table_schema = db_name
+                   AND table_name = 'blade_exception_disposal_follow_record'
+                   AND column_name = 'attachments_json') THEN
+    ALTER TABLE `blade_exception_disposal_follow_record`
+      ADD COLUMN `attachments_json` text DEFAULT NULL COMMENT '附件JSON'
+      AFTER `follow_content`;
+  END IF;
+END$$
+
+CALL `upgrade_blade_exception_disposal_follow_attachments_20261010`()$$
+DROP PROCEDURE `upgrade_blade_exception_disposal_follow_attachments_20261010`$$
+
+DELIMITER ;