fix: update tests for group fallback

backend/internal/handler/auth_handler.go

@@ -409,6 +409,7 @@ func (h *AuthHandler) ValidateInvitationCode(c *gin.Context) {
 		Valid: true,
 	})
 }
+
 // ForgotPasswordRequest 忘记密码请求
 type ForgotPasswordRequest struct {
 	Email          string `json:"email" binding:"required,email"`

backend/internal/handler/dto/mappers.go

@@ -105,12 +105,12 @@ func GroupFromServiceAdmin(g *service.Group) *AdminGroup {
 		return nil
 	}
 	out := &AdminGroup{
-		Group:               groupFromServiceBase(g),
-		ModelRouting:        g.ModelRouting,
-		ModelRoutingEnabled: g.ModelRoutingEnabled,
-		MCPXMLInject:        g.MCPXMLInject,
+		Group:                groupFromServiceBase(g),
+		ModelRouting:         g.ModelRouting,
+		ModelRoutingEnabled:  g.ModelRoutingEnabled,
+		MCPXMLInject:         g.MCPXMLInject,
 		SupportedModelScopes: g.SupportedModelScopes,
-		AccountCount:        g.AccountCount,
+		AccountCount:         g.AccountCount,
 	}
 	if len(g.AccountGroups) > 0 {
 		out.AccountGroups = make([]AccountGroup, 0, len(g.AccountGroups))
@@ -142,8 +142,8 @@ func groupFromServiceBase(g *service.Group) Group {
 		FallbackGroupID:  g.FallbackGroupID,
 		// 无效请求兜底分组
 		FallbackGroupIDOnInvalidRequest: g.FallbackGroupIDOnInvalidRequest,
-		CreatedAt:        g.CreatedAt,
-		UpdatedAt:        g.UpdatedAt,
+		CreatedAt:                       g.CreatedAt,
+		UpdatedAt:                       g.UpdatedAt,
 	}
 }
 

backend/internal/handler/dto/types.go

@@ -89,9 +89,9 @@ type AdminGroup struct {
 	MCPXMLInject bool `json:"mcp_xml_inject"`
 
 	// 支持的模型系列（仅 antigravity 平台使用）
-	SupportedModelScopes []string `json:"supported_model_scopes"`
-	AccountGroups []AccountGroup `json:"account_groups,omitempty"`
-	AccountCount  int64          `json:"account_count,omitempty"`
+	SupportedModelScopes []string       `json:"supported_model_scopes"`
+	AccountGroups        []AccountGroup `json:"account_groups,omitempty"`
+	AccountCount         int64          `json:"account_count,omitempty"`
 }
 
 type Account struct {