WCAG 2.2 AA Compliance

All five partner organizations serve users with diverse accessibility needs. Blindeforbundet's peer mentors are visually impaired and depend on screen readers; NHF explicitly serves stroke survivors and users with cognitive challenges. An inaccessible app would exclude a significant portion of the target audience and directly undermine the platform's value proposition. WCAG 2.2 AA compliance is an absolute MVP requirement with no phase-out exemptions and no per-organization deferrals. Beyond ethical obligations, compliance de-risks the platform against legal challenges in Norway's regulated accessibility landscape and signals organizational trust to all partner organizations simultaneously, accelerating adoption.

Flutter's Semantics widget must wrap every interactive element, with MergeSemantics and ExcludeSemantics applied judiciously to avoid screen reader noise. Design tokens must enforce 4.5:1 contrast ratios (3:1 for large text and UI components) at the token system level, preventing non-compliant values from entering the widget tree. Touch targets are enforced at 24x24px minimum via Material tap target size constraints. All drag interactions require a non-drag alternative (tap or keyboard). The AccessibilityAuditService runs Flutter's built-in accessibility auditing APIs, and SemanticLabellingService ensures consistent label application across the widget tree. Vertical scroll and back-button navigation are the interaction norms.