Ken... You aren't doing this to "get her to choose first"

The objective is to take a stand for your marriage and CHALLENGE your wife's beligerence.

This is NOT a NEGOTIATION... you state your position and WALK AWAY... You are showing her consequences for her actions... no TALK.. just DO.

And yes Puppy's right, plan this all out in private.. don't SHARE the plans with her... just tell her what's going to happen in general once you know what you are doing in detail. Let HER SWEAT out the details in private just like you did.. hse will likley PANIC...

This is GOOD

She will LIKELY try to play coy and charming with you to get you to change your mind.

Your answer is

NO NO NO

Your wife needs to see a GOOD FAMILY THERAPIST.. until she's DOING that, this is your direction and you stick to it, NO EXCUSES...

My FEAR is that as soon as your wife says verbally that she'll stop you will collapse and run right back into her arms again...

BAD IDEA

Do NOT accept her back until she's made some arrangements to re-commit to the marriage

Family THerapy
No passworded phones
FULL TRANSPARENCY
Acknowledgement of the infidelity as destructive

Let's put it this way...

Under current circumstances.. would you marry your wife right now?

Obviously not... so don't RECONCILE until she's offering somthing you would marry in the first place...