SendingSpinClass and CallAvatarAnimation ignore prefers-reduced-motion
#84
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opened 2026-09-12 01:51:33 -04:00 by jared
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a11y
area: appearance
area: auth-session
area: build-ci
area: calls
area: desktop
area: media
area: messaging
area: mobile
area: moderation
area: navigation
area: notifications
area: settings
area: threads
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Accessibility: keyboard, screen reader, contrast, motion
Client area: appearance
Client area: auth-session
Client area: build-ci
Client area: calls
Client area: desktop
Client area: media
Client area: messaging
Client area: mobile
Client area: moderation
Client area: navigation
Client area: notifications
Client area: settings
Client area: threads
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Audit 2026-09 · Medium & Low
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Reference: LotusGuild/cinny#84
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Severity: low · Type: a11y · Confidence: high
Location:
src/app/styles/Animations.css.ts:36-56(WobbleAnimation,GlowAnimation,CallAvatarAnimation,SendingSpinClass) vs.Animations.css.ts:58-67(MsgAppearClass, correctly gated with'@media': {'(prefers-reduced-motion: no-preference)': {...}})Problem
The message-send scale-in animation (
MsgAppearClass) explicitly respects reduced motion, but the sibling "message sending" spinner (SendingSpinClass, an infinite 900ms rotation shown on every outgoing message viaMessage.tsx:146) and the incoming/active-call avatar wobble+glow (CallAvatarAnimation, used inCallEmbedProvider.tsx:168,341) are unconditionalanimation-iteration-count: infiniterules with noprefers-reduced-motionguard, inconsistent with the rest of the Lotus animation surface (chat backgrounds, seasonal particles, toasts, avatar decorations, mention pulse all check it).How to trigger
Enable OS/browser "reduce motion", send a message (brief spin before it's acked) or receive an incoming call (avatar wobbles/glows continuously) — both animate despite the preference.
Suggested fix
Wrap
SendingSpinClassandCallAvatarAnimation(andWobbleAnimation/GlowAnimationif used elsewhere) in the same(prefers-reduced-motion: no-preference)media guard used byMsgAppearClass, falling back to a static/opacity-only indicator.Filed from the September 2026 client audit (branch
lotus@4bea4895).