- fixed bug in compiler (rare)

- added lyng.io.fs (multiplatform)
- CLI tools now have access to the filesystem

lyngio/src/jsMain/kotlin/net/sergeych/lyngio/fs/PlatformFs.js.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2025 Sergey S. Chernov real.sergeych@gmail.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package net.sergeych.lyngio.fs
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+import okio.FileSystem
+import okio.fakefilesystem.FakeFileSystem
+
+@Suppress("UnsafeCastFromDynamic")
+private fun systemFsOrNull(): FileSystem? = try {
+    FileSystem.asDynamic().SYSTEM.unsafeCast<FileSystem>()
+} catch (e: Throwable) {
+    null
+}
+
+actual fun platformAsyncFs(): LyngFs = OkioAsyncFs(systemFsOrNull() ?: FakeFileSystem())
+actual val LyngIoDispatcher: CoroutineDispatcher = Dispatchers.Default