added version number, fixed infinite update loop

src/main.rs

@@ -35,8 +35,26 @@ async fn main() -> Result<()> {
 
     let (event_tx, mut event_rx) = mpsc::unbounded_channel();
     let mut app = app::App::new(config, event_tx.clone());
+
+    // Detect failed update: if the previous run wrote an expected version but
+    // the actual version didn't change, the replacement didn't work.
+    // Show an error and skip the update check to break any infinite loop.
+    let update_ok = match updater::take_update_target() {
+        Some(expected) if expected != env!("CARGO_PKG_VERSION") => {
+            app.error = Some(format!(
+                "Обновление не применилось: ожидалась v{expected}, \
+                 запущена v{}. Проверьте, что в релизе загружен правильный бинарник.",
+                env!("CARGO_PKG_VERSION")
+            ));
+            false
+        }
+        _ => true,
+    };
+
     app.load_menu().await;
-    app.check_update();
+    if update_ok {
+        app.check_update();
+    }
 
     let res = run_app(&mut terminal, &mut app, &mut event_rx).await;