set notes default

lib/data/db/tables/match_table.dart

@@ -6,7 +6,7 @@ class MatchTable extends Table {
   TextColumn get id => text()();
   TextColumn get gameId =>
       text().references(GameTable, #id, onDelete: KeyAction.cascade)();
-  // Nullable if not part of a group
+  // Nullable if there is no group associated with the match
   TextColumn get groupId =>
       text().references(GroupTable, #id, onDelete: KeyAction.cascade).nullable()();
   TextColumn get name => text().nullable()();

lib/data/dto/game.dart

@@ -16,11 +16,12 @@ class Game {
     DateTime? createdAt,
     required this.name,
     required this.ruleset,
-    required this.description,
+    String? description,
     required this.color,
     required this.icon,
   }) : id = id ?? const Uuid().v4(),
-       createdAt = createdAt ?? clock.now();
+       createdAt = createdAt ?? clock.now(),
+       description = description ?? '';
 
   @override
   String toString() {

lib/data/dto/group.dart

@@ -13,10 +13,11 @@ class Group {
     String? id,
     DateTime? createdAt,
     required this.name,
-    required this.description,
+    String? description,
     required this.members,
   }) : id = id ?? const Uuid().v4(),
-       createdAt = createdAt ?? clock.now();
+       createdAt = createdAt ?? clock.now(),
+       description = description ?? '';
 
   @override
   String toString() {

lib/data/dto/match.dart

@@ -24,10 +24,11 @@ class Match {
     required this.game,
     this.group,
     this.players = const [],
-    required this.notes,
+    String? notes,
     this.winner,
   }) : id = id ?? const Uuid().v4(),
-        createdAt = createdAt ?? clock.now();
+        createdAt = createdAt ?? clock.now(),
+        notes = notes ?? '';
 
   @override
   String toString() {