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/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 "-"
 	}