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/infra/config/config.go

@@ -31,10 +31,11 @@ func findConfigPath(configPath string) string {
 	if _, err := os.Stat(configPath); err == nil {
 		return configPath
 	}
-	dir := "."
-	for i := 0; i < 5; i++ {
-		dir += "/.."
-		path := dir + "/" + configPath
+	var dir strings.Builder
+	dir.WriteString(".")
+	for range 5 {
+		dir.WriteString("/..")
+		path := dir.String() + "/" + configPath
 		if _, err := os.Stat(path); err == nil {
 			return path
 		}

internal/infra/persistence/postgres_logger.go

@@ -31,26 +31,26 @@ func (l *gormZapLogger) LogMode(level gormLogger.LogLevel) gormLogger.Interface
 	return &clone
 }
 
-func (l *gormZapLogger) Info(ctx context.Context, fmt string, args ...interface{}) {
+func (l *gormZapLogger) Info(ctx context.Context, fmt string, args ...any) {
 	if l.logLevel >= gormLogger.Info {
 		logger.InfoF(ctx, fmt, args...)
 	}
 }
 
-func (l *gormZapLogger) Warn(ctx context.Context, fmt string, args ...interface{}) {
+func (l *gormZapLogger) Warn(ctx context.Context, fmt string, args ...any) {
 	if l.logLevel >= gormLogger.Warn {
 		logger.WarnF(ctx, fmt, args...)
 	}
 }
 
-func (l *gormZapLogger) Error(ctx context.Context, fmt string, args ...interface{}) {
+func (l *gormZapLogger) Error(ctx context.Context, fmt string, args ...any) {
 	if l.logLevel >= gormLogger.Error {
 		logger.ErrorF(ctx, fmt, args...)
 	}
 }
 
 // ParamsFilter 让 GORM 的 Trace 回调只接收参数化 SQL，避免绑定值被 Dialector.Explain 展开到日志。
-func (l *gormZapLogger) ParamsFilter(_ context.Context, sql string, _ ...interface{}) (string, []interface{}) {
+func (l *gormZapLogger) ParamsFilter(_ context.Context, sql string, _ ...any) (string, []any) {
 	return sql, nil
 }
 
@@ -70,7 +70,7 @@ func (l *gormZapLogger) Trace(ctx context.Context, begin time.Time, fc func() (s
 	}
 }
 
-func formatRows(rows int64) interface{} {
+func formatRows(rows int64) any {
 	if rows == -1 {
 		return "-"
 	}

internal/infra/task/executor.go

@@ -103,7 +103,7 @@ func IsFinalAttempt(ctx context.Context) bool {
 
 // AppendLog 追加日志到任务执行记录
 // 在 TaskHandler.Execute 中调用，日志会自动追加到 TaskExecution.Log 字段
-func AppendLog(ctx context.Context, format string, args ...interface{}) {
+func AppendLog(ctx context.Context, format string, args ...any) {
 	taskID := GetTaskID(ctx)
 	if taskID == "" {
 		// 上下文中没有 taskID，降级到普通日志

internal/infra/task/utils.go

@@ -15,7 +15,7 @@ type redisClientConnOpt struct {
 	options redis.Options
 }
 
-func (opt redisClientConnOpt) MakeRedisClient() interface{} {
+func (opt redisClientConnOpt) MakeRedisClient() any {
 	return redis.NewClient(&opt.options)
 }
 
@@ -23,7 +23,7 @@ type redisClusterConnOpt struct {
 	options redis.ClusterOptions
 }
 
-func (opt redisClusterConnOpt) MakeRedisClient() interface{} {
+func (opt redisClusterConnOpt) MakeRedisClient() any {
 	return redis.NewClusterClient(&opt.options)
 }
 
@@ -32,7 +32,7 @@ type redisFailoverConnOpt struct {
 	maintNotificationsEnabled bool
 }
 
-func (opt redisFailoverConnOpt) MakeRedisClient() interface{} {
+func (opt redisFailoverConnOpt) MakeRedisClient() any {
 	client := redis.NewFailoverClient(&opt.options)
 	// go-redis v9.16 does not expose maintenance notification settings on
 	// FailoverOptions, so apply the configured mode before the client is used.