feat(migration): 添加代购和强充配置字段迁移

migrations/000035_add_order_is_purchase_on_behalf.down.sql

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+-- 回滚: 删除 tb_order 表的 is_purchase_on_behalf 字段
+
+ALTER TABLE tb_order DROP COLUMN IF EXISTS is_purchase_on_behalf;

migrations/000035_add_order_is_purchase_on_behalf.up.sql

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+-- 为 tb_order 表添加代购标志字段
+-- 用于标识订单是否为代购订单
+
+ALTER TABLE tb_order ADD COLUMN is_purchase_on_behalf BOOLEAN DEFAULT false;
+
+COMMENT ON COLUMN tb_order.is_purchase_on_behalf IS '是否为代购订单';

migrations/000036_add_shop_series_allocation_force_recharge.down.sql

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+-- 回滚: 删除 tb_shop_series_allocation 表的强充配置字段
+
+ALTER TABLE tb_shop_series_allocation DROP COLUMN IF EXISTS enable_force_recharge;
+ALTER TABLE tb_shop_series_allocation DROP COLUMN IF EXISTS force_recharge_amount;

migrations/000036_add_shop_series_allocation_force_recharge.up.sql

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+-- 为 tb_shop_series_allocation 表添加强充配置字段
+-- 用于支持强制充值功能
+
+ALTER TABLE tb_shop_series_allocation ADD COLUMN enable_force_recharge BOOLEAN DEFAULT false;
+ALTER TABLE tb_shop_series_allocation ADD COLUMN force_recharge_amount BIGINT DEFAULT 0;
+
+COMMENT ON COLUMN tb_shop_series_allocation.enable_force_recharge IS '是否启用强制充值';
+COMMENT ON COLUMN tb_shop_series_allocation.force_recharge_amount IS '强制充值金额(分)';