-- G1: Homework as a first-class lesson/planner field.
-- Apply to DEV Supabase only before promoting app/api changes.

alter table if exists public.taught_lessons
  add column if not exists homework text not null default '';

alter table if exists public.planned_lessons
  add column if not exists homework text not null default '';

comment on column public.taught_lessons.homework is
  'Teacher-authored homework for this taught lesson; surfaced in lesson/timetable views.';

comment on column public.planned_lessons.homework is
  'Default homework carried by a lesson plan and copied to a taught lesson when delivered.';