Need `array index` switch

I want to right click key and copy the field, but array items has no key(index); need a `showArrayIndex` switch just like chrome devtools

<img width="425" height="174" alt="Image" src="https://github.com/user-attachments/assets/e96a40c9-a47a-42c4-bcea-26a3b6e5b6a9" />