docs(sxsy80): 补充文档、合同资源与数据清理脚本

- 更新前后端 sign_contract_sxsy80.pdf
- 增加 com-sxsy80 说明、数据迁移与 SQL/执行脚本
- 增加 com-xsj33 数据迁移说明与 docs 下合同源文件

Made-with: Cursor

docs/sql/com-sxsy80-data-cleanup.sql

@@ -0,0 +1,47 @@
+-- 太原树英商贸 / yangtangyoupin 数据清理
+-- 依据: docs/com-sxsy80-data-imgration.md
+-- 执行前请备份数据库。建议在事务中先 SELECT 核对影响行数后再 COMMIT。
+
+SET NAMES utf8mb4;
+
+START TRANSACTION;
+
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- 订单类：整表清空
+TRUNCATE TABLE `wa_order`;
+TRUNCATE TABLE `wa_withdraw`;
+TRUNCATE TABLE `eb_store_order`;
+
+-- 寄售商品：仅保留 created_at >= 2026-04-24 且卖家 user_id 在保留名单内
+DELETE FROM `wa_merchandise`
+WHERE NOT (
+  `created_at` >= '2026-04-24 00:00:00'
+  AND `user_id` IN (92566,92801,92839,93004,92637,92965,93093,93096,93116,92787,93121,93129,92884,93007,93020,93094,93099,93110,92638)
+);
+
+-- 日志类：仅保留名单内 user_id
+DELETE FROM `wa_selfbonus_log`
+WHERE `user_id` NOT IN (92566,92801,92839,93004,92637,92965,93093,93096,93116,92787,93121,93129,92884,93007,93020,93094,93099,93110,92638);
+
+DELETE FROM `wa_sharebonus_log`
+WHERE `user_id` NOT IN (92566,92801,92839,93004,92637,92965,93093,93096,93116,92787,93121,93129,92884,93007,93020,93094,93099,93110,92638);
+
+DELETE FROM `wa_coupon_log`
+WHERE `user_id` NOT IN (92566,92801,92839,93004,92637,92965,93093,93096,93116,92787,93121,93129,92884,93007,93020,93094,93099,93110,92638);
+
+-- 积分记录表实际字段为 uid（非 user_id）
+DELETE FROM `eb_user_integral_record`
+WHERE `uid` NOT IN (92566,92801,92839,93004,92637,92965,93093,93096,93116,92787,93121,93129,92884,93007,93020,93094,93099,93110,92638);
+
+-- 商城用户：保留 uid 在名单内
+DELETE FROM `eb_user`
+WHERE `uid` NOT IN (92566,92801,92839,93004,92637,92965,93093,93096,93116,92787,93121,93129,92884,93007,93020,93094,93099,93110,92638);
+
+-- WA 用户：保留 id 在名单内
+DELETE FROM `wa_users`
+WHERE `id` NOT IN (92566,92801,92839,93004,92637,92965,93093,93096,93116,92787,93121,93129,92884,93007,93020,93094,93099,93110,92638);
+
+SET FOREIGN_KEY_CHECKS = 1;
+
+COMMIT;