frontend changes

src-tauri/src/lib.rs

@@ -1,5 +1,3 @@
-use tauri::Manager;
-
 // --- Commands ---
 
 /// Returns the backend URL. Stubbed for now; will be replaced once the
@@ -15,26 +13,23 @@ fn get_backend_url() -> String {
 /// OS keychain implementation is added (e.g. tauri-plugin-stronghold).
 #[tauri::command]
 fn encrypt_string(data: String) -> String {
-    use std::io::Write;
-    let encoded = data
+    data
         .as_bytes()
         .iter()
         .fold(String::new(), |mut acc, b| {
             use std::fmt::Write as FmtWrite;
             let _ = write!(acc, "{:02x}", b);
             acc
-        });
-    encoded
+        })
 }
 
 /// Companion decode for encrypt_string.
 #[tauri::command]
 fn decrypt_string(encrypted: String) -> Result<String, String> {
-    let bytes: Result<Vec<u8>, _> = (0..encrypted.len())
+    (0..encrypted.len())
         .step_by(2)
         .map(|i| u8::from_str_radix(&encrypted[i..i + 2], 16))
-        .collect();
-    bytes
+        .collect::<Result<Vec<u8>, _>>()
         .map_err(|e| format!("decrypt error: {e}"))
         .and_then(|b| String::from_utf8(b).map_err(|e| format!("utf8 error: {e}")))
 }