refactor: remove unused tracing imports across multiple files

crates/zesdex-backend/src/attach.rs

@@ -13,7 +13,6 @@
 //! The client has no agent logic — it is a pure render frontend.
 
 use anyhow::Result;
-use tracing;
 use app::state::rest::AppStateRest;
 use app::state::types::{Overlay, Toast, ToastKind};
 use crossterm::execute;