Refactor: Fix clippy warnings and introduce AppError

server/src/clipboard_watcher.rs

@@ -19,9 +19,9 @@ pub fn spawn_watcher(state: Arc<MemoryState>) {
                 continue;
             }
 
-            if let Ok(_clip) = tokio::task::spawn_blocking(|| Clipboard::new_attempts(3)).await.unwrap() {
-                if let Ok(text) = get_clipboard::<String, _>(formats::Unicode) {
-                    if text != last_text && !text.trim().is_empty() {
+            if let Ok(_clip) = tokio::task::spawn_blocking(|| Clipboard::new_attempts(3)).await.unwrap()
+                && let Ok(text) = get_clipboard::<String, _>(formats::Unicode)
+                    && text != last_text && !text.trim().is_empty() {
                         last_text = text.clone();
                         
                         let note = StickyNote {
@@ -40,8 +40,6 @@ pub fn spawn_watcher(state: Arc<MemoryState>) {
                         // We use rebuild_index to index the new sticky note
                         state.rebuild_index().await;
                     }
-                }
-            }
         }
     });
 }