Add better error handling, send messages early and update when delivered

lib/models/configs/message_config.dart

@@ -6,7 +6,6 @@ part "message_config.g.dart";
 
 @freezed
 abstract class MessageConfig with _$MessageConfig {
-  const MessageConfig._();
   const factory MessageConfig({
     @Default(false) bool alwaysReturn,
     @Default(false) bool includeEdits,
@@ -14,15 +13,6 @@ abstract class MessageConfig with _$MessageConfig {
     required Event event,
   }) = _MessageConfig;
 
-  @override
-  bool operator ==(Object other) =>
-      other.runtimeType == runtimeType &&
-      other is MessageConfig &&
-      other.event.eventId == event.eventId;
-
-  @override
-  int get hashCode => Object.hash(runtimeType, event.eventId);
-
   factory MessageConfig.fromJson(Map<String, Object?> json) =>
       _$MessageConfigFromJson(json);
 }