fix cross-compilation errors and address copilot comments

Author: somdoron

client-server-client/src/main/scala/zio/raft/client/RaftClient.scala

@@ -547,8 +547,7 @@ object RaftClient {
             } yield copy(pendingRequests = newPending)
           case StreamEvent.Action(ClientAction.SubmitQuery(payload, promise)) =>
             for {
-              now <- Clock.instant
-              // correlationId via client-side generator (to be implemented in T024)
+              now <- Clock.instant              
               correlationId <- Random.nextUUID.map(u => CorrelationId.fromString(u.toString))
               newPending = pendingQueries.add(correlationId, payload, promise, now)
               _ <- transport.sendMessage(Query(correlationId, payload, now)).orDie

client-server-client/src/test/scala/zio/raft/client/PendingQueriesSpec.scala

@@ -19,10 +19,10 @@ object PendingQueriesSpec extends ZIOSpecDefault {
           pq = PendingQueries.empty.add(CorrelationId.fromString("c1"), ByteVector(1,2,3), p, now)
           sentRef <- Ref.make(0)
           transport = new ClientTransport {
-            def connect(address: String) = ZIO.unit
-            def disconnect() = ZIO.unit
-            def sendMessage(message: ClientMessage) = sentRef.update(_ + 1).unit
-            def incomingMessages = ZStream.empty
+            override def connect(address: String): ZIO[Any, Throwable, Unit] = ZIO.unit
+            override def disconnect(): ZIO[Any, Throwable, Unit] = ZIO.unit
+            override def sendMessage(message: ClientMessage): ZIO[Any, Throwable, Unit] = sentRef.update(_ + 1).unit
+            override def incomingMessages: ZStream[Any, Throwable, ServerMessage] = ZStream.empty
           }
           _ <- pq.resendAll(transport)
           sent <- sentRef.get
@@ -44,10 +44,10 @@ object PendingQueriesSpec extends ZIOSpecDefault {
         for {
           sentRef <- Ref.make(0)
           transport = new ClientTransport {
-            def connect(address: String) = ZIO.unit
-            def disconnect() = ZIO.unit
-            def sendMessage(message: ClientMessage) = sentRef.update(_ + 1).unit
-            def incomingMessages = ZStream.empty
+            override def connect(address: String): ZIO[Any, Throwable, Unit] = ZIO.unit
+            override def disconnect(): ZIO[Any, Throwable, Unit] = ZIO.unit
+            override def sendMessage(message: ClientMessage): ZIO[Any, Throwable, Unit] = sentRef.update(_ + 1).unit
+            override def incomingMessages: ZStream[Any, Throwable, ServerMessage] = ZStream.empty
           }
 
           now <- Clock.instant