- M1: submissions/show.html.erb — aria-hidden on decorative color dot; sr-only text on
colored field overlays (field name + submitter) for screen reader users (WCAG 1.4.1)
- M2: field_submitter.vue — aria-hidden on all decorative color dots; aria-label on
compact mode label (selectedSubmitter name); changed inner button to span (WCAG 1.4.1)
- M8: profile/index.html.erb — inline validation error messages (role="alert") with
aria-describedby + aria-invalid on all profile and password form fields (WCAG 3.3.1)
- M10: Add aria-label to icon-only buttons/links across 7 files:
- field.vue: draw, formula, condition, settings, remove, draw-option buttons
- preview.vue: document condition and reorder buttons
- signature_step.vue: QR toggle (with aria-pressed) and close QR buttons
- text_step.vue: toggle multiline text button
- import_list.vue: preview column data info button
- Add i18n keys: show_qr_code, close_qr_code (submission_form); preview_column_data (template_builder)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>