// Group/channel avatars — stores the public avatar URL (same convention as
// users.avatar_ref), null when unset.

/** @param {import('node-pg-migrate').MigrationBuilder} pgm */
exports.up = (pgm) => {
  pgm.addColumns('conversations', {
    image_ref: { type: 'text' },
  });
};

/** @param {import('node-pg-migrate').MigrationBuilder} pgm */
exports.down = (pgm) => {
  pgm.dropColumns('conversations', ['image_ref']);
};