don't use strings for paths

src/cmd.rs

@@ -1427,7 +1427,7 @@ async fn incr_cmd(server: &Server, key: &String) -> Result<Protocol, DBError> {
 
 fn config_get_cmd(name: &String, server: &Server) -> Result<Protocol, DBError> {
     let value = match name.as_str() {
-        "dir" => Some(server.option.dir.clone()),
+        "dir" => Some(server.option.dir.display().to_string()),
         "dbfilename" => Some(format!("{}.db", server.selected_db)),
         "databases" => Some("16".to_string()), // Hardcoded as per original logic
         _ => None,