Removes the user's Resend API key and sender identity from their machine, returning them to the catch-all-only email state. Trigger when the user says any of "disconnect my email", "remove my email setup", "delete my Resend config", "remove my Resend key", "unhook email sending", "tear down email setup". Removes ~/.claude/.omni-resend-key (the local API key) and custom/email/sender.md (the sender identity in the synapse fork). After running, "email me X" still works (that uses the catch-all omni@getomnipresence.com channel — different infrastructure), but third-party sends will route the user to re-run `connect my email`. Reminds the user to also revoke the API key in the…
