Integrate direct WebSocket-based leaderboard functionality for real-time updates and requests. Refactor related client-side logic to utilize this new connection.

cmd/client/gamestart_wasm.go

@@ -0,0 +1,17 @@
+//go:build js && wasm
+// +build js,wasm
+
+package main
+
+import (
+	"log"
+	"syscall/js"
+)
+
+// notifyGameStarted benachrichtigt JavaScript dass das Spiel startet
+func (g *Game) notifyGameStarted() {
+	if startFunc := js.Global().Get("onGameStarted"); !startFunc.IsUndefined() {
+		startFunc.Invoke()
+		log.Println("🎮 Game Started - Benachrichtigung an JavaScript gesendet")
+	}
+}