-- Multi-language menu support (PRD §13). Translations are stored inline as
-- JSONB keyed by language code rather than a separate table — menu content
-- is small and always read/written as a whole category+items tree, so a
-- join-free read matches how the public page already fetches it.

alter table restaurants
  add column if not exists enabled_languages text[] not null default array['tr'];

alter table menu_categories
  add column if not exists translations jsonb not null default '{}'::jsonb;
  -- shape: { "en": { "name": "...", "description": "..." }, "de": {...} }

alter table menu_items
  add column if not exists translations jsonb not null default '{}'::jsonb;
  -- shape: { "en": { "name": "...", "description": "..." }, "de": {...} }