implement shims

shims/electron/remote/system-preferences.js

@@ -0,0 +1,24 @@
+// Shim for remote.systemPreferences
+// No-op with safe defaults
+
+export const systemPreferencesShim = {
+  getAccentColor() {
+    return '0078d4'; // Default Windows accent blue
+  },
+
+  isAeroGlassEnabled() {
+    return false;
+  },
+
+  getMediaAccessStatus(mediaType) {
+    return 'granted';
+  },
+
+  askForMediaAccess(mediaType) {
+    return Promise.resolve(true);
+  },
+
+  on() {},
+  once() {},
+  removeListener() {},
+};