-- Extra deploy_targets columns: strategy, source_dir, branch, compose_files.
-- Aplicacion idempotente: store.go captura "duplicate column" para DBs preexistentes.
ALTER TABLE deploy_targets ADD COLUMN strategy      TEXT NOT NULL DEFAULT 'systemd';
ALTER TABLE deploy_targets ADD COLUMN source_dir    TEXT NOT NULL DEFAULT '';
ALTER TABLE deploy_targets ADD COLUMN branch        TEXT NOT NULL DEFAULT 'main';
ALTER TABLE deploy_targets ADD COLUMN compose_files TEXT NOT NULL DEFAULT '';