fix(systemdmanager): migrate systemd file operations to smartfs and tighten TypeScript safety

ts/smartdaemon.plugins.ts

@@ -5,8 +5,8 @@ export { path };
 
 // @pushrocks scope
 import * as lik from '@push.rocks/lik';
-import * as smartfile from '@push.rocks/smartfile';
 import * as smartfm from '@push.rocks/smartfm';
+import * as smartfs from '@push.rocks/smartfs';
 import * as smartlog from '@push.rocks/smartlog';
 import * as smartlogDestinationLocal from '@push.rocks/smartlog-destination-local';
 import * as smartpath from '@push.rocks/smartpath';
@@ -15,8 +15,8 @@ import * as smartsystem from '@push.rocks/smartsystem';
 
 export {
   lik,
-  smartfile,
   smartfm,
+  smartfs,
   smartlog,
   smartlogDestinationLocal,
   smartpath,