feat: foo

Services/SqliteGameService.cs

@@ -145,6 +145,15 @@ public class SqliteGameService : IGameService
         return await cmd.ExecuteNonQueryAsync() > 0;
     }
 
+    public async Task ClearAllGames()
+    {
+        await using var conn = new SqliteConnection(_connectionString);
+        await conn.OpenAsync();
+        var cmd = conn.CreateCommand();
+        cmd.CommandText = "DELETE FROM games";
+        await cmd.ExecuteNonQueryAsync();
+    }
+
     public async Task<bool> SwitchVisitors(string id)
     {
         var game = await GetGameById(id);