Fixing conflicting cross-compilation versions (Scala 3 vs 2.13) for a…

…kka-streams in the core module

openai-core/build.sbt

@@ -4,15 +4,25 @@ name := "openai-scala-core"
 
 description := "Core module of OpenAI Scala client"
 
-lazy val akkaVersion = settingKey[String]("Akka version to use")
-
-akkaVersion := {
-  CrossVersion.partialVersion(scalaVersion.value) match {
-    case Some((2, 12)) => "2.6.1"
-    case Some((2, 13)) => "2.6.20"
-    case Some((3, _))  => "2.6.20"
-    case _             => "2.6.20"
+def akkaStreamLibs(scalaVersion: String): Seq[ModuleID] = {
+  CrossVersion.partialVersion(scalaVersion) match {
+    case Some((2, 12)) =>
+      Seq(
+        "com.typesafe.akka" %% "akka-stream" % "2.6.1"
+      )
+    case Some((2, 13)) =>
+      Seq(
+        "com.typesafe.akka" %% "akka-stream" % "2.6.20"
+      )
+    case Some((3, _)) =>
+      // because of the conflicting cross-version suffixes 2.13 vs 3
+      Seq(
+        "com.typesafe.akka" % "akka-stream_2.13" % "2.6.20" exclude ("com.typesafe", "ssl-config-core_2.13"),
+        "com.typesafe" %% "ssl-config-core" % "0.6.1"
+      )
+    case _ =>
+      throw new Exception("Unsupported scala version")
   }
 }
 
-libraryDependencies += "com.typesafe.akka" %% "akka-stream" % akkaVersion.value
+libraryDependencies ++= akkaStreamLibs(scalaVersion.value)