fixes lol

nakama/go-modules/main.go

@@ -720,6 +720,24 @@ func (m *ChessMatch) MatchSignal(ctx context.Context, logger runtime.Logger, db
 	if data == "cancel" {
 		logger.Info("Match cancelled via signal")
 		s.PendingCancel = true
+
+		// Broadcast cancellation to any connected clients
+		msg, _ := json.Marshal(map[string]interface{}{
+			"result": "cancelled",
+			"reason": "Challenge cancelled by creator",
+		})
+		dispatcher.BroadcastMessage(OpCodeGameOver, msg, nil, nil, true)
+
+		// Update match label to cancelled status so it's not detected as active
+		label := MatchLabel{
+			Game:       "chess960",
+			Status:     "cancelled",
+			White:      s.WhiteName,
+			WhiteID:    s.WhiteID,
+			PositionID: s.PositionID,
+		}
+		labelJSON, _ := json.Marshal(label)
+		dispatcher.MatchLabelUpdate(string(labelJSON))
 	}
 
 	return s, ""