Follow up for trace pretty printing (#1227)

pkl-server/src/main/kotlin/org/pkl/server/BinaryEvaluator.kt

@@ -40,7 +40,7 @@ internal class BinaryEvaluator(
   moduleCacheDir: Path?,
   declaredDependencies: DeclaredDependencies?,
   outputFormat: String?,
-  traceMode: TraceMode?,
+  traceMode: TraceMode,
 ) :
   EvaluatorImpl(
     transformer,

pkl-server/src/main/kotlin/org/pkl/server/Server.kt

@@ -25,6 +25,7 @@ import java.util.regex.Pattern
 import kotlin.random.Random
 import org.pkl.core.*
 import org.pkl.core.evaluatorSettings.PklEvaluatorSettings
+import org.pkl.core.evaluatorSettings.TraceMode
 import org.pkl.core.externalreader.ExternalReaderProcess
 import org.pkl.core.externalreader.ExternalResourceResolver
 import org.pkl.core.externalreader.ModuleReaderSpec
@@ -227,7 +228,7 @@ class Server(private val transport: MessageTransport) : AutoCloseable {
         cacheDir,
         dependencies,
         message.outputFormat,
-        message.traceMode,
+        message.traceMode ?: TraceMode.COMPACT,
       )
     } catch (e: IllegalArgumentException) {
       throw ProtocolException(e.message ?: "Failed to create an evalutor. $e", e)

pkl-server/src/test/kotlin/org/pkl/server/BinaryEvaluatorSnippetTests.kt

@@ -21,6 +21,7 @@ import kotlin.reflect.KClass
 import org.junit.platform.commons.annotation.Testable
 import org.pkl.commons.test.InputOutputTestEngine
 import org.pkl.core.*
+import org.pkl.core.evaluatorSettings.TraceMode
 import org.pkl.core.http.HttpClient
 import org.pkl.core.module.ModuleKeyFactories
 
@@ -56,7 +57,7 @@ class BinaryEvaluatorSnippetTestEngine : InputOutputTestEngine() {
       null,
       null,
       null,
-      null,
+      TraceMode.COMPACT,
     )
 
   private fun String.stripFilePaths() =

pkl-server/src/test/kotlin/org/pkl/server/BinaryEvaluatorTest.kt

@@ -21,6 +21,7 @@ import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.assertThrows
 import org.pkl.core.*
+import org.pkl.core.evaluatorSettings.TraceMode
 import org.pkl.core.http.HttpClient
 import org.pkl.core.module.ModuleKeyFactories
 import org.pkl.core.resource.ResourceReaders
@@ -45,7 +46,7 @@ class BinaryEvaluatorTest {
       null,
       null,
       null,
-      null,
+      TraceMode.COMPACT,
     )
 
   private fun evaluate(text: String, expression: String?) =