Graceful disconnect

main.go

@@ -118,6 +118,15 @@ func handleConnection(conn net.Conn) {
 
 		// Queue the actions for processing
 		if batch.PlayerId == int32(playerID) {
+			for _, action := range batch.Actions {
+				if action.Type == pb.Action_DISCONNECT {
+					log.Printf("Player %d disconnected gracefully", playerID)
+					delete(players, playerID)
+					delete(playerConns, playerID)
+					delete(actionQueue, playerID)
+					return
+				}
+			}
 			actionQueue[playerID] = append(actionQueue[playerID], batch.Actions...)
 		}
 	}