将 offset() + alpha() 替换为 graphicsLayer { translationY / alpha },
collapseProgress 变化时跳过 Composition/Layout,仅更新 Draw 阶段。
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
将 offset() + alpha() 替换为 graphicsLayer { translationY / alpha },
collapseProgress 变化时跳过 Composition/Layout,仅更新 Draw 阶段。
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>