CREATE TABLE `project_snapshots` ( `id` text PRIMARY KEY NOT NULL, `project_id` text NOT NULL, `source_revision` integer NOT NULL, `schema_version` integer NOT NULL, `name` text NOT NULL, `description` text, `payload_json` text NOT NULL, `payload_sha256` text NOT NULL, `created_at_iso` text NOT NULL, `created_by_actor_id` text, FOREIGN KEY (`project_id`) REFERENCES `projects`(`id`) ON UPDATE no action ON DELETE cascade ); --> statement-breakpoint CREATE INDEX `project_snapshots_project_created_idx` ON `project_snapshots` (`project_id`,`created_at_iso`);--> statement-breakpoint CREATE UNIQUE INDEX `project_snapshots_project_name_unique` ON `project_snapshots` (`project_id`,`name`);