onboard-domain runs POST /domains -> addresses/validate (gen E911 pidflo) -> addresses/create
from one JSON body (domain fields + optional `emergency` block), gated --confirm. Reverse-
engineered from the OITVOIP wizard screenshots; live-created the real client domain
vwp.91912.service (Valley Wide Plastering) + E911 address, and proved the wrapper with a
throwaway create->delete (no leftovers, vwp intact). Documented GUI->API mapping + the two
manual gaps (voicemail user-defaults, email-send-from-address pending the packetdial.com mailbox)
+ the domain-type "no"-on-create quirk.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Mike Swanson
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