fix(mobile): add <=480px responsive block for overflow guards and 44px touch targets - #5

Not Found - https://docs.github.com/rest/repos/contents#get-repository-content

HttpError: Not Found - https://docs.github.com/rest/repos/contents#get-repository-content

On December 2, 2026, GitHub will restrict `pull_request_target` on public repositories by default. To continue allowing the event trigger, configure an Actions policy. Learn more: https://gh.io/securely-using-pull_request_target#default-policy-for-pull_request_target

The config file was not found at .github/labeler.yml. Make sure it exists and that this action has the correct access rights.