-- Key/value table used by mail-api for admin state. -- Three keys are written from main.py: -- client_profiles -> dict[email, profile] -- allowed_emails -> {"emails": [..]} -- drafts -> dict[email, drafts] -- Stored as JSONB blobs to match the existing dict-shaped storage in the -- application and to avoid coupling the DB schema to mail-api shape changes. create table if not exists admin_kv ( key text primary key, value jsonb not null, updated_at timestamptz not null default now() );