Small fixes

beacon/src/main/java/io/xpipe/beacon/BeaconConnector.java

@@ -6,6 +6,7 @@ import io.xpipe.beacon.message.ResponseMessage;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.ByteBuffer;
 import java.util.concurrent.atomic.AtomicReference;
 
 public abstract class BeaconConnector {
@@ -40,6 +41,10 @@ public abstract class BeaconConnector {
         return response.get();
     }
 
+    protected void writeLength(BeaconClient socket, int bytes) throws IOException {
+        socket.getOutputStream().write(ByteBuffer.allocate(4).putInt(bytes).array());
+    }
+
     protected <REQ extends RequestMessage, RES extends ResponseMessage> RES performSimpleExchange(
             BeaconClient socket,
             REQ req) throws ServerException, ConnectorException, ClientException {

beacon/src/main/java/io/xpipe/beacon/BeaconHandler.java

@@ -10,7 +10,7 @@ public interface BeaconHandler {
 
     void prepareBody() throws IOException;
 
-    void startBodyRead() throws IOException;
+    InputStream startBodyRead() throws IOException;
 
     public <T extends ResponseMessage> void sendResponse(T obj) throws Exception;
 

beacon/src/main/java/io/xpipe/beacon/exchange/StoreResourceExchange.java

@@ -33,7 +33,7 @@ public class StoreResourceExchange implements MessageExchange<StoreResourceExcha
     @Value
     public static class Request implements RequestMessage {
         URL url;
-        String type;
+        String providerId;
     }
 
     @Jacksonized

beacon/src/main/java/module-info.java

@@ -26,5 +26,6 @@ module io.xpipe.beacon {
             ReadInfoExchange,
             StatusExchange,
             StopExchange,
+            StoreResourceExchange,
             VersionExchange;
 }