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axiom-accessibility

Use when fixing or auditing ANY accessibility issue — VoiceOver, Dynamic Type, color contrast, touch targets, WCAG compliance, App Store accessibility review.

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tessl review fix ./.claude-plugin/plugins/axiom/skills/axiom-accessibility/SKILL.md
SKILL.md
Quality
Evals
Security

Accessibility

You MUST use this skill for ANY accessibility work including VoiceOver, Dynamic Type, color contrast, WCAG compliance, and UX flow auditing.

Not on Claude Code? Where this router says "Launch some-auditor agent", read that auditor's file in this suite and follow it inline — the same procedure, needing only file search and read.

Available here: skills/accessibility-auditor.md. Homed in another suite: axiom-concurrency/skills/concurrency-auditor.md, axiom-data/skills/swiftdata-auditor.md, axiom-swiftui/skills/swiftui-nav-auditor.md, axiom-swiftui/skills/ux-flow-auditor.md.

Agents that need Bash — builds, tests, simulators, crash symbolication — stay Claude Code-only; there is no inline equivalent for those.

Quick Reference

Symptom / TaskReference
VoiceOver labels, hints, navigationSee skills/accessibility-diag.md
Dynamic Type scaling violationsSee skills/accessibility-diag.md
Dynamic Type on tvOS (Large Text, tvOS 27)See skills/accessibility-diag.md
Long-form reading apps (continuous reading, Speak Screen, text navigation)See skills/accessibility-diag.md
Captions & subtitle styling in video players (generated subtitles, style preview)See skills/accessibility-diag.md
Custom control technique choice (adjustable, passthrough, direct touch)See skills/accessibility-diag.md
Accessibility Nutrition LabelsSee skills/accessibility-diag.md
Color contrast (WCAG AA/AAA)See skills/accessibility-diag.md
Touch target sizes (< 44x44pt)See skills/accessibility-diag.md
Keyboard navigation (iPadOS/macOS)See skills/accessibility-diag.md
Button Shapes, Large Content Viewer, Full Keyboard Access, Switch ControlSee skills/accessibility-diag.md
VoiceOver order broken after resize / column collapse; table & grid semanticsSee skills/accessibility-diag.md
Reduce Motion supportSee skills/accessibility-diag.md
Assistive Access (cognitive, iOS 17+)See skills/accessibility-diag.md
Accessibility Inspector workflowsSee skills/accessibility-diag.md
App Store Review preparationSee skills/accessibility-diag.md
UX dead ends, dismiss trapsSee skills/ux-flow-audit.md
Buried CTAs, missing empty statesSee skills/ux-flow-audit.md
Missing loading/error statesSee skills/ux-flow-audit.md
Deep link dead endsSee skills/ux-flow-audit.md
Accessibility dead ends (gesture-only)See skills/ux-flow-audit.md
watchOS-specific (VoiceOver rotor on Digital Crown, AssistiveTouch, Double Tap)See skills/watchos-a11y.md

Cross-Suite Routes

  • Full watchOS development context → See axiom-watchos
  • Live accessibility validation on the simulator (set toggles, assert announcements) → simulator-tester agent + xcui — see axiom-tools (skills/xcui-ref.md)

Decision Tree

digraph accessibility {
    start [label="Accessibility issue" shape=ellipse];
    what [label="What type?" shape=diamond];

    start -> what;
    what -> "skills/accessibility-diag.md" [label="VoiceOver/labels/hints"];
    what -> "skills/accessibility-diag.md" [label="Dynamic Type"];
    what -> "skills/accessibility-diag.md" [label="color contrast"];
    what -> "skills/accessibility-diag.md" [label="touch targets"];
    what -> "skills/accessibility-diag.md" [label="keyboard nav"];
    what -> "skills/accessibility-diag.md" [label="resizable window / desktop-class"];
    what -> "skills/accessibility-diag.md" [label="Reduce Motion"];
    what -> "skills/accessibility-diag.md" [label="Assistive Access"];
    what -> "skills/accessibility-diag.md" [label="custom control techniques"];
    what -> "skills/accessibility-diag.md" [label="continuous reading / text navigation"];
    what -> "skills/accessibility-diag.md" [label="captions / subtitle styling"];
    what -> "skills/accessibility-diag.md" [label="App Store prep / Nutrition Labels"];
    what -> "skills/ux-flow-audit.md" [label="UX dead end/dismiss trap"];
    what -> "skills/ux-flow-audit.md" [label="missing states"];
    what -> "skills/watchos-a11y.md" [label="watchOS VoiceOver / AssistiveTouch / Double Tap"];
    what -> "accessibility-auditor" [label="automated scan" shape=box];
}
  1. ANY VoiceOver, Dynamic Type (including tvOS Large Text), contrast, touch target, or WCAG issue → skills/accessibility-diag.md
  2. Assistive Access (cognitive disabilities, iOS 17+) → skills/accessibility-diag.md
  3. App Store accessibility rejection or Nutrition Labels → skills/accessibility-diag.md
  4. Reading app: VoiceOver stops at paragraphs/pages, Speak Screen halts → skills/accessibility-diag.md
  5. UX dead ends, dismiss traps, buried CTAs, missing states → skills/ux-flow-audit.md
  6. watchOS-specific accessibility (rotor on Digital Crown, AssistiveTouch, Double Tap) → skills/watchos-a11y.md
  7. Want automated accessibility scan? → accessibility-auditor agent or /axiom:audit accessibility

Automated Scanning

Accessibility audit → Launch accessibility-auditor agent or /axiom:audit accessibility

  • VoiceOver labels and hints
  • Dynamic Type violations
  • Color contrast failures
  • WCAG compliance scanning

UX flow audit → Launch ux-flow-auditor agent

  • Dead-end views, dismiss traps
  • Buried CTAs, missing empty/loading/error states
  • Deep link dead ends, accessibility dead ends

Critical Patterns

Image Accessibility

  • Use Image(decorative: "photo") for purely decorative images — automatically hidden from VoiceOver (equivalent to accessibilityHidden(true) but semantically clearer)
  • Use accessibilityInputLabels() for buttons with complex or changing labels — improves Voice Control accuracy by providing alternative labels
  • Respect accessibilityDifferentiateWithoutColor environment value — when active, provide non-color cues (icons, patterns, labels) alongside color indicators

Anti-Rationalization

ThoughtReality
"I'll add VoiceOver labels when I'm done building"Accessibility is foundational, not polish. accessibility-diag prevents App Store rejection.
"My app doesn't need accessibility"All apps need accessibility. It's required by App Store guidelines and benefits all users.
"Dynamic Type just needs .scaledFont"Dynamic Type has 7 common violations. accessibility-diag catches them all.
"Color contrast looks fine to me"Visual assessment is unreliable. WCAG ratios require measurement. accessibility-diag validates.
"UX issues are just polish"UX dead ends cause 1-star reviews. They're defects, not enhancements.
"The dismiss gesture handles it"fullScreenCover has no dismiss gesture. That's the trap.

Example Invocations

User: "My button isn't being read by VoiceOver" → See skills/accessibility-diag.md

User: "How do I support Dynamic Type?" → See skills/accessibility-diag.md

User: "Check my app for accessibility issues" → See skills/accessibility-diag.md

User: "Prepare for App Store accessibility review" → See skills/accessibility-diag.md

User: "Scan my app for accessibility issues automatically" → Launch accessibility-auditor agent

User: "How do I support Assistive Access?" → See skills/accessibility-diag.md

User: "How do I prepare my tvOS app for Large Text?" → See skills/accessibility-diag.md

User: "VoiceOver reads my screen in the wrong order after the window resizes" → See skills/accessibility-diag.md

User: "How do I support Button Shapes / the Large Content Viewer in my custom controls?" → See skills/accessibility-diag.md

User: "VoiceOver stops reading at the end of each page in my book app" → See skills/accessibility-diag.md

User: "How do I let users restyle subtitles or get generated captions in my video player?" → See skills/accessibility-diag.md

User: "Check for UX dead ends and dismiss traps" → See skills/ux-flow-audit.md

User: "My fullScreenCover has no way to dismiss" → See skills/ux-flow-audit.md

User: "Are there missing empty states in my app?" → See skills/ux-flow-audit.md

Repository
CharlesWiltgen/Axiom
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