LaravelでChart.jsのlabelsに変数を渡したい。

    //横軸の日数を取得
    public function r_day(){

        $record_dates = Record::select('date')
                       ->where('user_id','=', \Auth::user()->id )
                       ->whereNull('deleted_at')->get();

        $record_day = [];

        foreach($record_dates as $record){

            $record_day[] = $record['date'];

        }

        return $record_day;
    }

        $shaft = new Chart;
        $record_day = $shaft->r_day();

        dd($record_day);

        return view('index',compact('record_day'))

//出力結果
array:2 [▼
  0 => "2022-03-18"
  1 => "2022-04-27"
]

<script>
      window.onload = function () {
        let context = document.querySelector("#your_weight_chart").getContext('2d')
        new Chart(context, {
          type: 'line',
          data: {
              
            labels:  {{$record_day}} , ⇦ここがうまくいかない
            datasets: [{
              label: "体重の変化",
              data: [100,90,80,],
              borderColor: '#ff6347',
              backgroundColor: '#ff6347',
            }],

          },
          options: {
            responsive: false,
          }
        })
      }
    </script>

TypeError
htmlspecialchars(): Argument #1 ($string) must be of type string, array given (View: /var/www/diet-app/resources/views/index.blade.php)