fix(unpack): catch unpack errors and add verbose unpack logging

ts/mod_unpack/classes.tsunpacker.ts

@@ -128,6 +128,9 @@ export class TsUnpacker {
   private async moveNestedContentsUp(): Promise<void> {
     const nestedPath = this.getNestedPath();
     const entries = await FsHelpers.listDirectory(nestedPath);
+    const dirCount = entries.filter(e => e.isDirectory).length;
+    const fileCount = entries.filter(e => e.isFile).length;
+    console.log(`   📦 Unpacking ${this.sourceFolderName}/: ${dirCount} directories, ${fileCount} files`);
     for (const entry of entries) {
       const src = path.join(nestedPath, entry.name);
       const dest = path.join(this.destDir, entry.name);