Installation aborted because the add-on appears to be corrupt.

<img width="1000"  alt="Error Message" src="https://github.com/user-attachments/assets/a6f56d51-d100-4732-bf7e-2897ed98f70b" />

Even Download the extension as xpi file , install from file at `about:addons` says error:

<img width="500" height="199" alt="Image" src="https://github.com/user-attachments/assets/cd0f7f23-743f-468e-85f9-b4b02671d958" />