chore: improve slog

Author: sysulq

internal/kslog/slog.go

@@ -14,11 +14,11 @@ import (
 // LogWithContext returns a logger with trace information.
 func LogWithContext(ctx context.Context, logger *slog.Logger) *slog.Logger {
 	s := trace.SpanContextFromContext(ctx)
-	if s.HasTraceID() {
-		logger = logger.With(slog.String("trace_id", s.TraceID().String()))
-	}
-	if s.HasSpanID() {
-		logger = logger.With(slog.String("span_id", s.SpanID().String()))
+	if s.IsValid() {
+		logger = logger.With(
+			slog.String("span_id", s.SpanID().String()),
+			slog.String("trace_id", s.TraceID().String()),
+		)
 	}
 
 	return logger