落地系统异常：大模型/TMS/建群故障停住本单并告警，后台可重试失败步骤。

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

inquiry-api/jeecg-module-inquiry/src/main/resources/db/migration_inq_ticket_system_exception_ctx_v1.sql

@@ -0,0 +1,33 @@
+-- 系统异常重试上下文：步骤 + JSON。仅改 inquiry_robot。
+-- 两列展示字段 system_exception / system_exception_reason 已存在。
+-- 可重复执行：已有列则跳过。
+
+SET NAMES utf8mb4;
+
+SET @db := DATABASE();
+
+SET @exists_step := (
+  SELECT COUNT(*) FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'inq_ticket' AND COLUMN_NAME = 'system_exception_step'
+);
+SET @sql_step := IF(
+  @exists_step = 0,
+  'ALTER TABLE `inq_ticket` ADD COLUMN `system_exception_step` varchar(64) NULL COMMENT ''系统异常步骤：tms_quote/tms_cabin/llm/group'' AFTER `system_exception_reason`',
+  'SELECT 1'
+);
+PREPARE stmt_step FROM @sql_step;
+EXECUTE stmt_step;
+DEALLOCATE PREPARE stmt_step;
+
+SET @exists_payload := (
+  SELECT COUNT(*) FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'inq_ticket' AND COLUMN_NAME = 'system_exception_payload'
+);
+SET @sql_payload := IF(
+  @exists_payload = 0,
+  'ALTER TABLE `inq_ticket` ADD COLUMN `system_exception_payload` text NULL COMMENT ''系统异常重试上下文 JSON'' AFTER `system_exception_step`',
+  'SELECT 1'
+);
+PREPARE stmt_payload FROM @sql_payload;
+EXECUTE stmt_payload;
+DEALLOCATE PREPARE stmt_payload;