feat: 添加订单详情和退款功能，更新用户角色管理，增强超级管理员鉴权

backend/app/http/super/dto/order_detail.go

@@ -0,0 +1,10 @@
+package dto
+
+import "quyun/v2/database/models"
+
+type SuperOrderDetail struct {
+	Order *models.Order `json:"order,omitempty"`
+
+	Tenant *OrderTenantLite `json:"tenant,omitempty"`
+	Buyer  *OrderBuyerLite  `json:"buyer,omitempty"`
+}

backend/app/http/super/dto/order_refund.go

@@ -0,0 +1,10 @@
+package dto
+
+type SuperOrderRefundForm struct {
+	// Force indicates bypassing the default refund window check (paid_at + 24h).
+	Force bool `json:"force,omitempty"`
+	// Reason is the human-readable refund reason used for audit.
+	Reason string `json:"reason,omitempty"`
+	// IdempotencyKey ensures refund request is processed at most once.
+	IdempotencyKey string `json:"idempotency_key,omitempty"`
+}

backend/app/http/super/dto/user_roles.go

@@ -0,0 +1,7 @@
+package dto
+
+import "quyun/v2/pkg/consts"
+
+type UserRolesUpdateForm struct {
+	Roles []consts.Role `json:"roles" validate:"required,min=1,dive,oneof=user super_admin"`
+}