BEGIN;

ALTER TABLE outbox_event
    ADD COLUMN public_id uuid NOT NULL DEFAULT gen_random_uuid(),
    ADD COLUMN manual_retry_count integer NOT NULL DEFAULT 0,
    ADD COLUMN last_manual_retry_at timestamptz,
    ADD COLUMN last_manual_retry_by uuid REFERENCES user_account(id),
    ADD CONSTRAINT outbox_event_manual_retry_count_check CHECK (manual_retry_count >= 0),
    ADD CONSTRAINT outbox_event_public_id_key UNIQUE (public_id);

CREATE INDEX outbox_event_tenant_dead_idx
    ON outbox_event(tenant_id,created_at DESC)
    WHERE status='dead';

COMMIT;