How can I add many Slack OAuth scopes to a Slack app at once instead of one-by-one?

I'm configuring a Slack app at app.slack.com/app-settings/<TEAM_ID>/<APP_ID>/oauth and need to add ~30 OAuth scopes (8 bot, 21 user). The UI under OAuth & Permissions only lets me add scopes one at a time:

1. Click "Add an OAuth Scope"

2. Type the scope name in a dropdown

3. Select it

4. Repeat

There's no multi-select, no paste-list, no import field. Doing this 30 times is tedious and error-prone, especially since the dropdown searches every time and hides scopes already added. It is a pain, I feel I missed something. How can I add many Slack OAuth scopes to a Slack app at once instead of one-by-one?