-- Insert sample shifts
INSERT INTO shifts (shift_id, name, start_time, end_time, org_id)
VALUES
  (uuid_generate_v7(), 'Morning Shift', '08:00:00', '16:00:00', '0194a8b2-1234-7123-8123-123456789abc'::uuid),
  (uuid_generate_v7(), 'Afternoon Shift', '14:00:00', '22:00:00', '0194a8b2-1234-7123-8123-123456789abc'::uuid),
  (uuid_generate_v7(), 'Night Shift', '22:00:00', '06:00:00', '0194a8b2-1234-7123-8123-123456789abc'::uuid)
ON CONFLICT DO NOTHING;