Compose's To/Cc/Bcc/Subject fields, and each of the three add-account
forms, sat in a plain div — enter did nothing and the button was the
only way in. Wrapped each in a <form onSubmit>, marked every button
that isn't the submit action type="button" (attach, cancel, cc/bcc
toggles, the recipient-suggestion picks), so none of them accidentally
submit now that a form exists around them. The compose body stays a
contenteditable div, which never triggers native enter-to-submit, so
Cmd/Ctrl+Enter wasn't needed to keep newlines working.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
pastilhasandClaude Opus 5
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