AI phone calls now route through the same routePatientTurn() rule engine as SMS (office-hours checks, slot-conflict checks, MassHealth eligibility, staff escalation) instead of a freeform LLM chat, and speak in the patient's preferred language (English/Spanish). Adds a separate "Call Templates" settings section so spoken wording can be customized independently from SMS wording. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>