-- Agency control: follow/archive clients + enable/disable channels -- Idempotent. alter table public.tenants add column if not exists agency_followed boolean not null default true; alter table public.tenants add column if not exists agency_notes text; alter table public.integrations add column if not exists enabled boolean not null default true; comment on column public.tenants.agency_followed is 'Agency portfolio: false = archived / not actively managed in Centro de Mando'; comment on column public.integrations.enabled is 'Agency wants this channel for the client (false = deliberately off)';