fix: settings window z-order on Hyprland and Linux app detach (#85)

src/main/runtime/settings-window-z-order.ts

@@ -0,0 +1,19 @@
+type SeparateWindowLike = {
+  isDestroyed(): boolean;
+};
+
+function hasLiveSeparateWindow(windows: Array<SeparateWindowLike | null | undefined>): boolean {
+  return windows.some((window) => Boolean(window && !window.isDestroyed()));
+}
+
+export function shouldSuppressVisibleOverlayRaiseForSeparateWindow(options: {
+  window: unknown;
+  mainWindow: unknown;
+  separateWindows: Array<SeparateWindowLike | null | undefined>;
+}): boolean {
+  if (!options.mainWindow || options.window !== options.mainWindow) {
+    return false;
+  }
+
+  return hasLiveSeparateWindow(options.separateWindows);
+}