Feature: load signature picture Scenario: Import a signature image Given a PDF page is selected for signing When the user chooses a signature image file Then the image is loaded and shown as a signature asset Scenario Outline: Handle invalid or unsupported files Given the user selects "" When the app attempts to load the image Then the user is notified of the issue And the image is not added to the document Examples: | file | | 'corrupted.png' | | 'signature.bmp' | | 'empty.jpg' |