loadConfig method
Loads widget configuration from App Group container.
Returns the configuration map, or null if not found.
Implementation
Future<Map<String, dynamic>?> loadConfig() async {
try {
final result = await _methodChannel.invokeMethod('loadConfig');
return result != null
? Map<String, dynamic>.from(result as Map)
: null;
} catch (e) {
throw Exception('Failed to load config: $e');
}
}