-- Expand ServiceArea enum for Mindanao-wide coverage
ALTER TABLE `WorkerServiceArea` MODIFY `area` ENUM(
  'DAVAO_CITY',
  'SAMAL_CITY',
  'PANABO_CITY',
  'SANTO_TOMAS',
  'TAGUM_CITY',
  'NABUNTURAN',
  'DIGOS_CITY',
  'MATI_CITY',
  'MALITA',
  'GENERAL_SANTOS',
  'KORONADAL',
  'KIDAPAWAN',
  'TACURONG',
  'CAGAYAN_DE_ORO',
  'ILIGAN_CITY',
  'MALAYBALAY',
  'VALENCIA_CITY',
  'OZAMIZ',
  'OROQUIETA',
  'ZAMBOANGA_CITY',
  'PAGADIAN',
  'DIPOLOG',
  'BUTUAN',
  'SURIGAO_CITY',
  'BISLIG',
  'COTABATO_CITY',
  'MARAWI',
  'ENTIRE_DAVAO_REGION',
  'ENTIRE_MINDANAO'
) NOT NULL;