Major eleventh chords not recognized

For example:

For Chord.get("Cm11"):

<img width="406" height="283" alt="Image" src="https://github.com/user-attachments/assets/d615f9ae-1f1a-4fd3-bbde-6c4805ad6163" />

For Chord.get("Cmaj11"):

<img width="152" height="283" alt="Image" src="https://github.com/user-attachments/assets/e4f11d76-da5a-4d4b-8fd9-8ec2fbf81aff" />