Update DynamicIsland Configuration

DynamicIsland/components/Notch/DynamicIslandPillShape.swift

@@ -0,0 +1,50 @@
+/*
+ * Atoll (DynamicIsland)
+ * Copyright (C) 2024-2026 Atoll Contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import SwiftUI
+
+/// A pill-shaped (capsule-like) clip shape used for the Dynamic Island mode
+/// on external and non-notched displays. Uses `.continuous` rounded corners
+/// for an Apple-style squircle appearance, inspired by DynamicNotchKit's
+/// floating style.
+struct DynamicIslandPillShape: Shape {
+    var cornerRadius: CGFloat
+
+    var animatableData: CGFloat {
+        get { cornerRadius }
+        set { cornerRadius = newValue }
+    }
+
+    func path(in rect: CGRect) -> Path {
+        let resolvedRadius = min(cornerRadius, min(rect.width, rect.height) / 2)
+        return Path(roundedRect: rect, cornerRadius: resolvedRadius, style: .continuous)
+    }
+}
+
+#Preview {
+    VStack(spacing: 20) {
+        DynamicIslandPillShape(cornerRadius: 16)
+            .fill(.black)
+            .frame(width: 185, height: 32)
+
+        DynamicIslandPillShape(cornerRadius: 24)
+            .fill(.black)
+            .frame(width: 640, height: 200)
+    }
+    .padding(20)
+}