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When the user taps the heart icon on a feed item, the icon undergoes a springy scale animation. On tap, it briefly shrinks in anticipation, then pops upward with an overshoot and a subtle rotational wiggle. The color transitions between a vibrant green (liked) and a dark gray (unliked), while the numerical count inside the heart updates. Simultaneously, the attribution text below fades in or out to reflect the updated state.
