fix(smartfs.provider.node): replace synchronous readdirSync with async await fs.readdir for directory listings in the Node provider to avoid blocking the event loop

ts/providers/smartfs.provider.node.ts

@@ -158,11 +158,7 @@ export class SmartFsProviderNode implements ISmartFsProvider {
     if (options?.recursive) {
       await this.listDirectoryRecursive(path, entries, options);
     } else {
-      // Use readdirSync for reliability — async readdir can return partial results
-      // on XFS/mounted filesystems when the process receives signals (e.g., from
-      // SmartExit/smartshell process group management). The synchronous version
-      // completes the entire getdents64 syscall without event loop interruption.
-      const dirents = fsSync.readdirSync(path, { withFileTypes: true });
+      const dirents = await fs.readdir(path, { withFileTypes: true });
 
       for (const dirent of dirents) {
         const entryPath = pathModule.join(path, dirent.name);
@@ -200,8 +196,7 @@ export class SmartFsProviderNode implements ISmartFsProvider {
     entries: IDirectoryEntry[],
     options?: IListOptions,
   ): Promise<void> {
-    // Use readdirSync for reliability — see listDirectory comment
-    const dirents = fsSync.readdirSync(path, { withFileTypes: true });
+    const dirents = await fs.readdir(path, { withFileTypes: true });
 
     for (const dirent of dirents) {
       const entryPath = pathModule.join(path, dirent.name);