attach_agnostic_triggers(schema) recria nos schemas os triggers de public cuja
funcao e provadamente schema-agnostica (so mexe em NEW/OLD): familia updated_at
(8: set_updated_at, fn_clinical_notes_updated_at, set_insurance_plans/medicos/
services_updated_at, set_updated_at_recurrence, update_payment_settings/
professional_pricing_updated_at) + prevent_promoting_to_system +
prevent_system_group_changes. Backfill dos 9 (54 triggers/schema). Smoke:
set_updated_at dispara no schema. Schema-aware vem no Lote B; wiring no clone
no fim da F6.2
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>