Refactor PASSWORD_NOT_FOUND handling to use a centralized source from desktop_core for consistency in error messaging.

Author: JaredScar

native/index.js

@@ -77,6 +77,6 @@ module.exports = {
     isAvailable: () => nativeBinding.isAvailable(),
     migrateKeytarPassword: (service, account) =>
       nativeBinding.migrateKeytarPassword(service, account),
-    PASSWORD_NOT_FOUND: "Password not found.",
+    PASSWORD_NOT_FOUND: nativeBinding.PASSWORD_NOT_FOUND,
   },
 };

native/src/lib.rs

@@ -1,6 +1,10 @@
 #[macro_use]
 extern crate napi_derive;
 
+/// The error message returned when a password is not found during retrieval or deletion.
+/// Re-exported from desktop_core so JS callers have a single authoritative source.
+#[napi]
+pub const PASSWORD_NOT_FOUND: &str = desktop_core::password::PASSWORD_NOT_FOUND;
 
 /// Fetch the stored password from the keychain.
 /// Throws an Error with message PASSWORD_NOT_FOUND if the password does not exist.