chore: refactor module structure

src/message/peer/mod.rs

@@ -1,6 +1,10 @@
-pub mod file_search_response;
-pub mod get_share_file_list;
-pub mod transfer_request;
-pub mod upload_failed;
+mod file_search_response;
+mod get_share_file_list;
+mod transfer_request;
+mod upload_failed;
 
-pub use self::file_search_response::*;
+// Re-export handlers
+pub use file_search_response::FileSearchResponse;
+pub use get_share_file_list::GetShareFileList;
+pub use transfer_request::TransferRequest;
+pub use upload_failed::UploadFailedHandler;

src/message/peer/upload_failed.rs

@@ -1,3 +1,4 @@
+use crate::{debug, error, info, trace, warn};
 use crate::{
     message::{Message, MessageHandler},
     peer::PeerOperation,