-- t-paliad-133 Phase A seed rollback. CASCADE on the parent_id FK
-- handles descendant rows automatically; we delete by root slug.
DELETE FROM paliad.event_categories
 WHERE parent_id IS NULL
   AND slug IN (
       'cms-eingang',
       'muendl-verhandlung',
       'beschluss-entscheidung',
       'frist-verpasst',
       'ich-moechte-einreichen',
       'sonstiges'
   );
