カスタムコンポーネント -- 任意のプラグインの出口にボタンやテキストを追加

I’m not quite sure. If you’ve got a budget, I’ll take a look.

What would your button do if it had the topic id?

If you figure it out and want to make a PR, I’ll probably accept it.

I’m pretty sure that the answer is no, but that you could use the workaround described here

「いいね!」 2