Feature: Add option to change the casing of panel labels

A tiny addition but can make a world of a difference for the panel labels ### Lowercase (Default) <img width="228" height="48" alt="Lowercase panel labels" src="https://github.com/user-attachments/assets/7d41724c-ab1b-4a94-bbab-4b31c888f5b5" /> ### Capitalize <img width="228" height="48" alt="Capitalized panel labels" src="https://github.com/user-attachments/assets/294b52ea-634a-483a-b933-c21b33f7d11a" /> ### Uppercase <img width="226" height="54" alt="Uppercase panel labels" src="https://github.com/user-attachments/assets/67501662-ba1d-4130-ba4f-a6989a3e9f11" />