fix(smartfile): Stream and filesystem integrations: remove fs-extra, switch to fs/promises.rename, add Web WritableStream compatibility, and use smartFs recursive directory methods; update plugins exports and README.

ts/classes.virtualdirectory.ts

@@ -23,7 +23,7 @@ export class VirtualDirectory {
     const newVirtualDir = new VirtualDirectory(smartFs, factory);
 
     // Use smartFs to list directory and factory to create SmartFiles
-    const entries = await smartFs.directory(pathArg).list({ recursive: true });
+    const entries = await smartFs.directory(pathArg).recursive().list();
     const smartfiles = await Promise.all(
       entries
         .filter((entry: any) => entry.isFile)