Main lane

src/main/java/it/tdlight/reactiveapi/Cli.java

@@ -1,5 +1,6 @@
 package it.tdlight.reactiveapi;
 
+import static it.tdlight.reactiveapi.Lanes.MAIN_LANE;
 import static java.util.Collections.unmodifiableSet;
 
 import it.tdlight.reactiveapi.CreateSessionRequest.CreateBotSessionRequest;
@@ -114,7 +115,7 @@ public class Cli {
 			if (parts.length == 4) {
 				lane = parts[3];
 			} else {
-				lane = "";
+				lane = MAIN_LANE;
 			}
 			CreateSessionRequest request = switch (parts[0]) {
 				case "bot" -> new CreateBotSessionRequest(Long.parseLong(parts[1]), parts[2], lane);

src/main/java/it/tdlight/reactiveapi/DiskSession.java

@@ -1,5 +1,7 @@
 package it.tdlight.reactiveapi;
 
+import static it.tdlight.reactiveapi.Lanes.MAIN_LANE;
+
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonInclude.Include;
@@ -23,7 +25,7 @@ public class DiskSession {
 			@JsonProperty("lane") @Nullable String lane) {
 		this.token = token;
 		this.phoneNumber = phoneNumber;
-		this.lane = Objects.requireNonNullElse(lane, "");
+		this.lane = Objects.requireNonNullElse(lane, MAIN_LANE);
 		this.validate();
 	}
 

src/main/java/it/tdlight/reactiveapi/KafkaParameters.java

@@ -16,7 +16,7 @@ public record KafkaParameters(String groupId, String clientId, String bootstrapS
 
 	public Set<String> getAllLanes() {
 		var lanes = new LinkedHashSet<String>(this.lanes.size() + 1);
-		lanes.add("");
+		lanes.add("main");
 		lanes.addAll(this.lanes);
 		return lanes;
 	}

src/main/java/it/tdlight/reactiveapi/Lanes.java

@@ -0,0 +1,5 @@
+package it.tdlight.reactiveapi;
+
+public class Lanes {
+	public static final String MAIN_LANE = "main";
+}