CREATE TABLE `content_snapshots` ( `hash` text(64) PRIMARY KEY NOT NULL, `content` text NOT NULL, `size_bytes` integer NOT NULL, `created_at` integer NOT NULL ); --> statement-breakpoint ALTER TABLE `artifact_versions` ADD COLUMN `lineage_snapshot_hash` text(64);--> statement-breakpoint ALTER TABLE `artifact_versions` ADD COLUMN `env_snapshot_hash` text(64);