Sounds like she wants to try out the work husband. It's weird women are either in long distance relationships or dating someone from work nowadays. No wonder companies frown upon getting your honey where you get your money.
Your buddy Dave has been single for three years and thinks "hey u up" is a valid strategy. Your other buddy Mike just got dumped and told you to "just be yourself."
You showed them her text. You asked them to decode the emoji. You drafted four responses and sent the screenshot to the group chat for a vote.
She's been waiting forty minutes.
Put the phone down. Stop crowdsourcing your love life. Type something that sounds like you. Hit send. Then go do literally anything else with your evening.