552f9c4 feat: Centralize animation and timing constants cc962c2 feat: Adjust sync animation gradient e623426 feat: Add playlist sync functionality and animations git-subtree-dir: sample-front-end git-subtree-split: 552f9c471324793b85af14534e81d45d319036a2
601ffe4 fix: Refine UI layout and visual elements 4689aaa feat: Add request timeout and cancellation to API calls git-subtree-dir: sample-front-end git-subtree-split: 601ffe468a78955839eef6c839314d9b96ea204d
git-subtree-dir: sample-front-end git-subtree-split: 0881bf1c045118585100360b2c47594cd94b89f1