-- Retention: drop agent_metrics chunks older than 90 days
SELECT add_retention_policy('agent_metrics', INTERVAL '90 days', if_not_exists => true);

-- Compression: compress agent_metrics chunks older than 7 days
ALTER TABLE agent_metrics SET (timescaledb.compress);
SELECT add_compression_policy('agent_metrics', INTERVAL '7 days', if_not_exists => true);