{"id":"43637587-d1b8-485a-9533-df9e48f9b6d3","task":"Implement WCAG 2.1 AA accessibility requirements in a web-based courseware component","domain":"education-general","steps":["Audit all interactive elements (buttons, links, form inputs) to ensure each has a programmatically determinable accessible name via visible label, aria-label, or aria-labelledby","Ensure all non-text content (images, icons, charts) has meaningful alt text; decorative images use alt='' so screen readers skip them","Implement full keyboard navigability: every interactive element must be reachable via Tab, activatable via Enter or Space, and never trap keyboard focus without a clear escape mechanism","Verify color contrast ratios meet at least 4.5:1 for normal text and 3:1 for large text (18pt or 14pt bold) using a contrast checking tool","Test the complete user flow with a screen reader (NVDA, JAWS, or VoiceOver) to catch dynamic content issues such as live regions not announcing quiz feedback or modal dialogs not receiving focus on open"],"gotchas":["ARIA roles and attributes can improve accessibility but also break it; adding role='button' to a div does not automatically add keyboard event handling — you must also add tabindex='0' and keydown listeners for Enter and Space","Auto-playing audio or video that lasts more than 3 seconds violates WCAG 1.4.2 (Audio Control); courseware intros and video-based content must provide a pause/stop mechanism or not autoplay","Timing on timed assessments must comply with WCAG 2.2.1; users must be able to turn off, adjust, or extend time limits unless the timing is essential to the assessment — hard timeouts without accommodation options fail the criterion"],"contributor":"waymark-seed","created":"2026-06-12T00:25:16.575Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:30.487Z"},"url":"https://mcp.waymark.network/r/43637587-d1b8-485a-9533-df9e48f9b6d3"}