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/agent/sync/pages.go

@@ -198,7 +198,7 @@ func (s *Service) ensurePagesProject(ctx context.Context, snapshot *state.Snapsh
 	}
 
 	var lastErr error
-	for attempt := 0; attempt < pagesLatestPullAttempts; attempt++ {
+	for attempt := range pagesLatestPullAttempts {
 		latest, err := s.client.GetPagesProjectLatestHash(ctx, projectID)
 		if err != nil {
 			return fmt.Errorf("fetch Pages project %d latest hash: %w", projectID, err)
@@ -359,10 +359,7 @@ func validatePagesPackageMetadata(
 	if extractedBytes == 0 {
 		extractedBytes = 1
 	}
-	maxFileBytes := extractedBytes
-	if maxFileBytes > agentPagesMaxFileBytes {
-		maxFileBytes = agentPagesMaxFileBytes
-	}
+	maxFileBytes := min(extractedBytes, agentPagesMaxFileBytes)
 
 	return pagesPackageLimits{
 		PackageBytes: metadata.PackageSize,

internal/apps/agent/sync/service.go

@@ -12,7 +12,7 @@ import (
 	"fmt"
 	"io"
 	"log/slog"
-	"sort"
+	"slices"
 	"strconv"
 	"strings"
 	"sync"
@@ -363,7 +363,7 @@ func referencedWAFIPGroupIDs(supportFiles []protocol.SupportFile) ([]uint, error
 	for id := range seen {
 		ids = append(ids, id)
 	}
-	sort.Slice(ids, func(i, j int) bool { return ids[i] < ids[j] })
+	slices.Sort(ids)
 	return ids, nil
 }