chore: apply stashed changes

backend/internal/repository/group_repo.go

@@ -59,6 +59,9 @@ func (r *groupRepository) Create(ctx context.Context, groupIn *service.Group) er
 		builder = builder.SetModelRouting(groupIn.ModelRouting)
 	}
 
+	// 设置支持的模型系列（始终设置，空数组表示不限制）
+	builder = builder.SetSupportedModelScopes(groupIn.SupportedModelScopes)
+
 	created, err := builder.Save(ctx)
 	if err == nil {
 		groupIn.ID = created.ID
@@ -89,7 +92,6 @@ func (r *groupRepository) GetByIDLite(ctx context.Context, id int64) (*service.G
 	if err != nil {
 		return nil, translatePersistenceError(err, service.ErrGroupNotFound, nil)
 	}
-
 	return groupEntityToService(m), nil
 }
 
@@ -133,6 +135,9 @@ func (r *groupRepository) Update(ctx context.Context, groupIn *service.Group) er
 		builder = builder.ClearModelRouting()
 	}
 
+	// 处理 SupportedModelScopes（始终设置，空数组表示不限制）
+	builder = builder.SetSupportedModelScopes(groupIn.SupportedModelScopes)
+
 	updated, err := builder.Save(ctx)
 	if err != nil {
 		return translatePersistenceError(err, service.ErrGroupNotFound, service.ErrGroupExists)