fix logger

metrics.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"log"
 	"net/http"
 	"strconv"
 	"strings"
@@ -90,9 +89,9 @@ func StartMetricsServer(port string) {
 	}
 
 	go func() {
-		log.Printf("📈 Metrics server starting on http://localhost:%s/metrics", port)
+		Logger.Printf("📈 Metrics server starting on http://localhost:%s/metrics", port)
 		if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
-			log.Printf("❌ Metrics server failed to start: %v", err)
+			Logger.Printf("❌ Metrics server failed to start: %v", err)
 		}
 	}()
 }