Replace /phonestatus follow-ups with /voicestatus, /wanstatus, /phonediag, and /dectdiag; extend /voicediag with relay probes and section-based MPP diagnostics. Co-authored-by: Cursor <cursoragent@cursor.com>
Wire CP-78xx probe discovery, relay phone-probe commands, and a chat follow-up message so store desk phones get registration, switch, and provisioning detail alongside DECT and WAN diagnostics. Co-authored-by: Cursor <cursoragent@cursor.com>
