fix(seeds): 修复 clear_shop.sql collation 冲突

用 BINARY 比较绕过 utf8mb4_unicode_ci 与 utf8mb4_0900_ai_ci 的冲突。
shop code 均为纯 ASCII，BINARY 比较结果完全一致。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/seed.yml

@@ -33,6 +33,21 @@ jobs:
           SHOPS: ${{ github.event.inputs.shops }}
           CLEAR: ${{ github.event.inputs.clear }}
         run: |
+          # 第一步：若需要清空，先把所有门店都清掉再写入
+          # 避免 S001(id=1 硬编码) 因 S002 占用 id=1 而被 INSERT IGNORE 跳过
+          if [ "$CLEAR" = "true" ]; then
+            echo "=== 清空阶段 ==="
+            for SHOP in $(echo "$SHOPS" | tr ',' ' '); do
+              echo "  清空 ${SHOP}..."
+              printf "SET @shop_code='%s';\n" "$SHOP" | cat - backend/seeds/clear_shop.sql | \
+                ssh -i ~/.ssh/ec2_deploy.pem ${EC2_USER}@${EC2_HOST} \
+                  "docker exec -i jiu_mysql mysql -uroot -p${DB_PASSWORD} --default-character-set=utf8mb4 jiu_db"
+            done
+            echo "✓ 清空完成"
+          fi
+
+          # 第二步：依次写入所有门店
+          echo "=== 写入阶段 ==="
           for SHOP in $(echo "$SHOPS" | tr ',' ' '); do
             FILE="backend/seeds/${SHOP}.sql"
             if [ ! -f "$FILE" ]; then
@@ -40,12 +55,6 @@ jobs:
               continue
             fi
             echo "→ Seeding $SHOP ..."
-            if [ "$CLEAR" = "true" ]; then
-              echo "  清空 ${SHOP} 数据..."
-              printf "SET @shop_code='%s';\n" "$SHOP" | cat - backend/seeds/clear_shop.sql | \
-                ssh -i ~/.ssh/ec2_deploy.pem ${EC2_USER}@${EC2_HOST} \
-                  "docker exec -i jiu_mysql mysql -uroot -p${DB_PASSWORD} --default-character-set=utf8mb4 jiu_db"
-            fi
             ssh -i ~/.ssh/ec2_deploy.pem ${EC2_USER}@${EC2_HOST} \
               "docker exec -i jiu_mysql mysql -uroot -p${DB_PASSWORD} --default-character-set=utf8mb4 jiu_db" \
               < "$FILE"

backend/seeds/clear_shop.sql

@@ -4,7 +4,7 @@
 -- 或由脚本拼接:
 --   echo "SET @shop_code='S001';" | cat - clear_shop.sql | mysql ...
 
-SET @sid = (SELECT id FROM shops WHERE code = @shop_code LIMIT 1);
+SET @sid = (SELECT id FROM shops WHERE BINARY code = BINARY @shop_code LIMIT 1);
 
 SET FOREIGN_KEY_CHECKS = 0;