feat: Enhance Swagger documentation with new admin and user endpoints

- Added definitions for admin authentication, media, posts, orders, and user management.
- Implemented new API paths for admin functionalities including authentication, media management, order processing, and user statistics.
- Updated existing endpoints to improve clarity and structure in the Swagger documentation.
- Introduced new response schemas for various operations to standardize API responses.

backend_v1/app/services/orders.go

@@ -14,6 +14,13 @@ import (
 	"go.ipao.vip/gen/types"
 )
 
+// OrderListItem 用于订单列表展示，补充作品标题与用户名等冗余信息，避免前端二次查询。
+type OrderListItem struct {
+	*models.Order
+	PostTitle string `json:"post_title"`
+	Username  string `json:"username"`
+}
+
 // @provider
 type orders struct{}
 
@@ -51,15 +58,8 @@ func (m *orders) List(
 	postMap := lo.SliceToMap(posts, func(p *models.Post) (int64, *models.Post) { return p.ID, p })
 	userMap := lo.SliceToMap(users, func(u *models.User) (int64, *models.User) { return u.ID, u })
 
-	// OrderListItem 用于订单列表展示，补充作品标题与用户名等冗余信息，避免前端二次查询。
-	type orderListItem struct {
-		*models.Order
-		PostTitle string `json:"post_title"`
-		Username  string `json:"username"`
-	}
-
-	items := lo.Map(orders, func(o *models.Order, _ int) *orderListItem {
-		item := &orderListItem{Order: o}
+	items := lo.Map(orders, func(o *models.Order, _ int) *OrderListItem {
+		item := &OrderListItem{Order: o}
 		if post, ok := postMap[o.PostID]; ok {
 			item.PostTitle = post.Title
 		}