feat: follow llm.txt

backend/app/services/content.go

@@ -26,9 +26,9 @@ type content struct{}
 // ContentDetailResult is the internal detail result used by controllers.
 type ContentDetailResult struct {
 	// Content is the content entity.
-	Content   *models.Content
+	Content *models.Content
 	// Price is the price settings (may be nil).
-	Price     *models.ContentPrice
+	Price *models.ContentPrice
 	// HasAccess indicates whether the user can access main assets.
 	HasAccess bool
 }
@@ -44,7 +44,7 @@ func (s *content) Create(ctx context.Context, tenantID, userID int64, form *dto.
 		visibility = consts.ContentVisibilityTenantOnly
 	}
 
-	previewSeconds := int32(60)
+	previewSeconds := consts.DefaultContentPreviewSeconds
 	if form.PreviewSeconds != nil && *form.PreviewSeconds > 0 {
 		previewSeconds = *form.PreviewSeconds
 	}