fix(ssh): modernize filesystem handling and package exports for NodeNext compatibility

ts/smartssh.plugins.ts

@@ -1,25 +1,19 @@
 // node native
-import * as fs from 'fs-extra';
+import fs from 'fs-extra';
 import * as path from 'path';
 
 export { fs, path };
 
 // @push.rocks scope
 import * as smartjson from '@push.rocks/smartjson';
-import * as smartfile from '@push.rocks/smartfile';
 import * as smartcrypto from '@push.rocks/smartcrypto';
 import * as smartpath from '@push.rocks/smartpath';
-import * as smartpromise from '@push.rocks/smartpromise';
-import * as smartshell from '@push.rocks/smartshell';
 import * as smartstring from '@push.rocks/smartstring';
 
 export {
   smartjson,
-  smartfile,
   smartcrypto,
   smartpath,
-  smartpromise,
-  smartshell,
   smartstring,
 };