perfsprint 18→0：strconv.Itoa/FormatInt/FormatUint/FormatBool 替代 fmt.Sprintf、无动词 fmt.Errorf→errors.New、纯字符串拼接。全部语义等价（已核对 diff）。修正 fixer 遗留的 import 问题（引入 goimports 统一整理）。

Result: {"status":"keep","total_issues":56,"golint_canonicalheader":8,"golint_errname":1,"golint_errorlint":12,"golint_forcetypeassert":3,"golint_gosec":0,"golint_intrange":3,"golint_modernize":5,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":3,"golint_recvcheck":7,"golint_usestdlibvars":3,"golint_wastedassign":7,"golint_total":55,"eslint_problems":1,"eslint_errors":0,"eslint_warnings":1,"tsc_errors":0,"measure_s":47}

internal/apps/openflare/pages/rebind.go

@@ -6,6 +6,7 @@ package pages
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"path"
 	"strings"
@@ -151,7 +152,7 @@ func resolveProjectIDFromRouteMap(route map[string]json.RawMessage) (uint, error
 			return deployment.ProjectID, nil
 		}
 	}
-	return 0, fmt.Errorf("pages 配置无效: 缺少 pages_project_id")
+	return 0, errors.New("pages 配置无效: 缺少 pages_project_id")
 }
 
 func loadActivePagesProject(ctx context.Context, projectID uint, siteName string) (*model.PagesProject, *model.PagesDeployment, error) {