fix many things

src-tauri/src/lib.rs

@@ -9,7 +9,7 @@ async fn start_fast_scan() -> cleaner::FastScanResult {
 }
 
 #[tauri::command]
-async fn start_fast_clean(is_simulation: bool) -> Result<String, String> {
+async fn start_fast_clean(is_simulation: bool) -> Result<cleaner::CleanResult, String> {
     cleaner::run_fast_clean(is_simulation).await
 }