fix: resolve lightweight mode recovery failure caused by white screen prevention

src-tauri/src/cmd/lightweight.rs

@@ -7,3 +7,9 @@ pub async fn entry_lightweight_mode() -> CmdResult {
     lightweight::entry_lightweight_mode();
     Ok(())
 }
+
+#[tauri::command]
+pub async fn exit_lightweight_mode() -> CmdResult {
+    lightweight::exit_lightweight_mode();
+    Ok(())
+}