Fixed 8 images missing alt attributes across Rails views: - submissions/show.html.erb (4 images): * Document preview thumbnails in sidebar * Document page images in main viewer * Signature/initials field images in parties view * Image/stamp/KBA attachment images in parties view - profile/index.html.erb (2 images): * User's signature preview * User's initials preview - submissions/_value.html.erb (2 images): * Signature field images with metadata * Image/initials/stamp/KBA field images - submit_form/show.html.erb (1 image): * Document page images in submission form All alt text uses dynamic field names and descriptive defaults with i18n support. This satisfies WCAG 2.2 Success Criterion 1.1.1 (Non-text Content, Level A). Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>