modernize 37→5（-32）：interface{}→any、内置 max/min、slices/maps 辅助、strings.Cut/SplitSeq、strings.Builder（修复 mail.go O(n²) 拼接）。逐 hunk 核对语义等价；omitzero 冲突修复被自动跳过（wire 格式不变）；手动清 4 处遗留 sort import + 2 处 QF1012。

Result: {"status":"keep","total_issues":74,"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":18,"golint_prealloc":3,"golint_recvcheck":7,"golint_usestdlibvars":3,"golint_wastedassign":7,"golint_total":73,"eslint_problems":1,"eslint_errors":0,"eslint_warnings":1,"tsc_errors":0,"measure_s":38}

internal/apps/openflare/proxy_route/helpers.go

@@ -86,8 +86,8 @@ func validateOriginAddress(address string) error {
 	if len(address) > maxOriginHostnameLength {
 		return errors.New(errProxyRouteOriginInvalid)
 	}
-	labels := strings.Split(address, ".")
-	for _, label := range labels {
+	labels := strings.SplitSeq(address, ".")
+	for label := range labels {
 		if len(label) == 0 || len(label) > 63 {
 			return errors.New(errProxyRouteOriginInvalid)
 		}
@@ -167,8 +167,8 @@ func buildOriginURLFromParts(scheme, address, port, uri string) (string, error)
 		Host:   formatOriginHost(normalizedAddress, normalizedPort),
 	}
 	if normalizedURI != "" {
-		if strings.HasPrefix(normalizedURI, "?") {
-			parsed.RawQuery = strings.TrimPrefix(normalizedURI, "?")
+		if after, ok := strings.CutPrefix(normalizedURI, "?"); ok {
+			parsed.RawQuery = after
 		} else {
 			pathQuery := strings.SplitN(normalizedURI, "?", originURIPathQueryParts)
 			parsed.Path = pathQuery[0]

internal/apps/openflare/proxy_route/logics.go

@@ -6,7 +6,7 @@ package proxy_route
 import (
 	"context"
 	"errors"
-	"sort"
+	"slices"
 	"strings"
 	"time"
 
@@ -201,7 +201,7 @@ func lockPagesProjectsForRouteMutation(tx *gorm.DB, previousProjectID uint, rout
 	if nextProjectID != 0 && nextProjectID != previousProjectID {
 		projectIDs = append(projectIDs, nextProjectID)
 	}
-	sort.Slice(projectIDs, func(i int, j int) bool { return projectIDs[i] < projectIDs[j] })
+	slices.Sort(projectIDs)
 
 	for _, projectID := range projectIDs {
 		project, err := repository.LockPagesProjectByIDTx(tx, projectID)