diff --git a/.gitignore b/.gitignore
index 41b2caf..58178f9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,6 @@ web/.wrangler/
 
 # Eclipse/JDT output from the VSCodium Java extension — not a build artifact we own
 echolot-app/*/bin/
+
+# Kotlin compiler scratch/error logs
+echolot-app/.kotlin/
diff --git a/echolot-app/.kotlin/errors/errors-1785578570586.log b/echolot-app/.kotlin/errors/errors-1785578570586.log
deleted file mode 100644
index b6e3a58..0000000
--- a/echolot-app/.kotlin/errors/errors-1785578570586.log
+++ /dev/null
@@ -1,75 +0,0 @@
-kotlin version: 2.2.10
-error message: Daemon compilation failed: null
-java.lang.Exception
-	at org.jetbrains.kotlin.daemon.common.CompileService$CallResult$Error.get(CompileService.kt:69)
-	at org.jetbrains.kotlin.daemon.common.CompileService$CallResult$Error.get(CompileService.kt:65)
-	at org.jetbrains.kotlin.compilerRunner.GradleKotlinCompilerWork.compileWithDaemon(GradleKotlinCompilerWork.kt:240)
-	at org.jetbrains.kotlin.compilerRunner.GradleKotlinCompilerWork.compileWithDaemonOrFallbackImpl(GradleKotlinCompilerWork.kt:159)
-	at org.jetbrains.kotlin.compilerRunner.GradleKotlinCompilerWork.run(GradleKotlinCompilerWork.kt:111)
-	at org.jetbrains.kotlin.compilerRunner.GradleCompilerRunnerWithWorkers$GradleKotlinCompilerWorkAction.execute(GradleCompilerRunnerWithWorkers.kt:74)
-	at org.gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:68)
-	at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1.create(NoIsolationWorkerFactory.java:64)
-	at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1.create(NoIsolationWorkerFactory.java:61)
-	at org.gradle.internal.classloader.ClassLoaderUtils.executeInClassloader(ClassLoaderUtils.java:102)
-	at org.gradle.workers.internal.NoIsolationWorkerFactory$1.lambda$execute$0(NoIsolationWorkerFactory.java:61)
-	at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:44)
-	at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:41)
-	at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:210)
-	at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:205)
-	at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:67)
-	at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:60)
-	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:167)
-	at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:60)
-	at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:54)
-	at org.gradle.workers.internal.AbstractWorker.executeWrappedInBuildOperation(AbstractWorker.java:41)
-	at org.gradle.workers.internal.NoIsolationWorkerFactory$1.execute(NoIsolationWorkerFactory.java:58)
-	at org.gradle.workers.internal.DefaultWorkerExecutor.lambda$submitWork$0(DefaultWorkerExecutor.java:174)
-	at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
-	at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runExecution(DefaultConditionalExecutionQueue.java:191)
-	at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.access$500(DefaultConditionalExecutionQueue.java:112)
-	at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner$1.run(DefaultConditionalExecutionQueue.java:168)
-	at org.gradle.internal.Factories$1.create(Factories.java:30)
-	at org.gradle.internal.work.DefaultWorkerLeaseService.lambda$runAndReleaseLocks$0(DefaultWorkerLeaseService.java:300)
-	at org.gradle.internal.work.ResourceLockStatistics$1.measure(ResourceLockStatistics.java:43)
-	at org.gradle.internal.work.DefaultWorkerLeaseService.runAndReleaseLocks(DefaultWorkerLeaseService.java:298)
-	at org.gradle.internal.work.DefaultWorkerLeaseService.withLocksAcquired(DefaultWorkerLeaseService.java:294)
-	at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:286)
-	at org.gradle.internal.work.DefaultWorkerLeaseService.runAsWorkerThread(DefaultWorkerLeaseService.java:130)
-	at org.gradle.internal.work.DefaultWorkerLeaseService.runAsWorkerThread(DefaultWorkerLeaseService.java:135)
-	at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runBatch(DefaultConditionalExecutionQueue.java:163)
-	at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.run(DefaultConditionalExecutionQueue.java:125)
-	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
-	at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
-	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
-	at org.gradle.internal.concurrent.AbstractManagedExecutor$1.run(AbstractManagedExecutor.java:47)
-	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
-	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
-	at java.base/java.lang.Thread.run(Unknown Source)
-Caused by: java.nio.file.NoSuchFileException: C:\Users\mram.AD\AppData\Local\Temp\kotlin-backups9735132086774701577\24.backup -> C:\Users\mram.AD\dev\echolot\echolot-app\core-protocol\build\classes\kotlin\main\META-INF\core-protocol.kotlin_module
-	at java.base/sun.nio.fs.WindowsException.translateToIOException(Unknown Source)
-	at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
-	at java.base/sun.nio.fs.WindowsFileCopy.move(Unknown Source)
-	at java.base/sun.nio.fs.WindowsFileSystemProvider.move(Unknown Source)
-	at java.base/java.nio.file.Files.move(Unknown Source)
-	at org.jetbrains.kotlin.incremental.RecoverableCompilationTransaction.revertChanges(CompilationTransaction.kt:231)
-	at org.jetbrains.kotlin.incremental.RecoverableCompilationTransaction.close(CompilationTransaction.kt:256)
-	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.tryCompileIncrementally(IncrementalCompilerRunner.kt:740)
-	at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compile(IncrementalCompilerRunner.kt:124)
-	at org.jetbrains.kotlin.daemon.CompileServiceImplBase.execIncrementalCompiler(CompileServiceImpl.kt:679)
-	at org.jetbrains.kotlin.daemon.CompileServiceImplBase.access$execIncrementalCompiler(CompileServiceImpl.kt:93)
-	at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:1806)
-	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
-	at java.base/java.lang.reflect.Method.invoke(Unknown Source)
-	at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(Unknown Source)
-	at java.rmi/sun.rmi.transport.Transport$1.run(Unknown Source)
-	at java.rmi/sun.rmi.transport.Transport$1.run(Unknown Source)
-	at java.base/java.security.AccessController.doPrivileged(Unknown Source)
-	at java.rmi/sun.rmi.transport.Transport.serviceCall(Unknown Source)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(Unknown Source)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(Unknown Source)
-	at java.base/java.security.AccessController.doPrivileged(Unknown Source)
-	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown Source)
-	... 3 more
-
-