The parent container's .accessibilityElement(children: .contain) and
.accessibilityLabel were collapsing individual mood buttons into a single
group, making them invisible to accessibility tools like AXe and VoiceOver.
Fix: Add .accessibilityElement(children: .ignore) and .accessibilityAddTraits
(.isButton) to each individual mood button, and remove the group-level
accessibility modifiers. Applied to all 6 voting layouts (Horizontal, Card,
Stacked, Aura, Orbit, Neon).
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