BEGIN;

ALTER TABLE device
    ADD COLUMN factory_reset_counter bigint NOT NULL DEFAULT 0
    CHECK (factory_reset_counter >= 0);

COMMENT ON COLUMN device.factory_reset_counter IS
    'Monotonic counter supplied by the physical device for authenticated factory-reset replay protection.';

ALTER TABLE web_event DROP CONSTRAINT web_event_event_type_check;
ALTER TABLE web_event ADD CONSTRAINT web_event_event_type_check CHECK (event_type IN (
    'device.presence.changed','device.binding.reset',
    'conversation.started','conversation.completed','conversation.failed',
    'story.created','story.revised','media.upload.completed','export.ready',
    'privacy_request.updated','device.command.updated'));

COMMIT;