fix(cfc-backend): 迁移86: product_orders表添加purchase_info字段(OrderTimeoutCancelTask)

cfc-backend/src/main/java/com/etotem/cfc/config/DatabaseInitializer.java

@@ -5351,6 +5351,9 @@ try {
         ensureColumn("cart", "sku_id", "BIGINT COMMENT '选中的SKU ID'");
         ensureColumn("cart", "spec_option_ids", "VARCHAR(500) COMMENT '选中的规格选项IDs JSON'");
 
+        // 迁移86: product_orders表添加purchase_info字段（购买信息快照JSON，OrderTimeoutCancelTask查询需要）
+        ensureColumn("product_orders", "purchase_info", "TEXT COMMENT '购买信息JSON: {id_card, hand_signature, ...}'");
+
         // 迁移85: 创建社交圈子表（珍珠图/圈子系统）
         try {
             jdbcTemplate.execute("CREATE TABLE IF NOT EXISTS social_circle (" +