macOS Notch UI (Dynamic Island Style) This skill creates a Dynamic Island-style overlay that extends from the MacBook's hardware notch. The overlay is a transparent floating panel positioned flush against the top of the screen, using a custom shape with concave "ear" curves that blend seamlessly with the physical notch cutout. Architecture The implementation has 3 parts: 1. (NSPanel subclass) -- a borderless, transparent, click-through panel at that sits above everything, including the menu bar 2. (SwiftUI Shape) -- draws the Dynamic Island silhouette with concave quadratic Bezier curves at t…