Animations Enforce safe, performant animations that never escape their parent bounds. CONTAINMENT (CRITICAL): Animated content inside a container (card, row, sheet, etc.) MUST NOT overflow its parent. Apply containment modifiers on the PARENT that clips: WHY .compositingGroup().clipped(): - .compositingGroup() flattens child layers into one compositing pass (no Metal overhead like .drawingGroup()) - .clipped() then clips that single composited layer to the parent frame - Together they guarantee zero visual overflow during any animation phase - Do NOT use .drawingGroup() for this — it rasteriz…