first commit

server/sql/1.9.20260807/upgrade_qywx_promotion_widget.sql

@@ -0,0 +1,20 @@
+-- 企业微信获客助手：公开 JS 浮窗配置。
+-- 新安装环境已包含在 add_first_visit_wecom_promotion.sql，无需重复执行本文件。
+
+SET @widget_column_exists = (
+  SELECT COUNT(*)
+  FROM `information_schema`.`COLUMNS`
+  WHERE `TABLE_SCHEMA` = DATABASE()
+    AND `TABLE_NAME` = 'zyt_qywx_promotion_pool'
+    AND `COLUMN_NAME` = 'widget_config_json'
+);
+
+SET @widget_upgrade_sql = IF(
+  @widget_column_exists = 0,
+  'ALTER TABLE `zyt_qywx_promotion_pool` ADD COLUMN `widget_config_json` text NULL COMMENT ''公开浮窗配置 JSON v1'' AFTER `fallback_url`',
+  'SELECT ''widget_config_json already exists'' AS `migration_status`'
+);
+
+PREPARE widget_upgrade_statement FROM @widget_upgrade_sql;
+EXECUTE widget_upgrade_statement;
+DEALLOCATE PREPARE widget_upgrade_statement;