ALTER TABLE update_jobs ADD COLUMN admin_id TEXT REFERENCES admins(id) ON DELETE SET NULL;
ALTER TABLE update_jobs ADD COLUMN session_hash TEXT;
ALTER TABLE update_jobs ADD COLUMN request_id TEXT;
ALTER TABLE update_jobs ADD COLUMN requested_at INTEGER;
ALTER TABLE update_jobs ADD COLUMN started_at INTEGER;
CREATE INDEX IF NOT EXISTS update_jobs_admin_idx ON update_jobs(admin_id, created_at);
CREATE INDEX IF NOT EXISTS update_jobs_session_idx ON update_jobs(session_hash);