新增退款时应当快照当时的资产

migrations/000133_add_asset_snapshot_to_refund_request.down.sql

@@ -0,0 +1,5 @@
+ALTER TABLE tb_refund_request
+    DROP COLUMN IF EXISTS device_id,
+    DROP COLUMN IF EXISTS iot_card_id,
+    DROP COLUMN IF EXISTS asset_identifier,
+    DROP COLUMN IF EXISTS order_type;

migrations/000133_add_asset_snapshot_to_refund_request.up.sql

@@ -0,0 +1,27 @@
+-- 为 tb_refund_request 新增资产快照字段
+-- 创建退款申请时从 tb_order 复制，避免退款列表/详情查询联表订单
+ALTER TABLE tb_refund_request
+    ADD COLUMN IF NOT EXISTS order_type VARCHAR(20) NOT NULL DEFAULT '',
+    ADD COLUMN IF NOT EXISTS asset_identifier VARCHAR(100) NOT NULL DEFAULT '',
+    ADD COLUMN IF NOT EXISTS iot_card_id BIGINT,
+    ADD COLUMN IF NOT EXISTS device_id BIGINT;
+
+COMMENT ON COLUMN tb_refund_request.order_type IS '订单类型快照（single_card/device）';
+COMMENT ON COLUMN tb_refund_request.asset_identifier IS '下单时资产标识符快照（ICCID 或 VirtualNo）';
+COMMENT ON COLUMN tb_refund_request.iot_card_id IS '下单时IoT卡ID快照';
+COMMENT ON COLUMN tb_refund_request.device_id IS '下单时设备ID快照';
+
+-- 存量数据回填：通过 order_id 关联 tb_order 填充资产快照字段
+UPDATE tb_refund_request r
+SET order_type = o.order_type,
+    asset_identifier = o.asset_identifier,
+    iot_card_id = o.iot_card_id,
+    device_id = o.device_id
+FROM tb_order o
+WHERE r.order_id = o.id
+  AND (
+      r.order_type = ''
+      OR r.asset_identifier = ''
+      OR r.iot_card_id IS NULL
+      OR r.device_id IS NULL
+  );