CREATE TABLE "completion_artifacts" ( "id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL, "workspace_id" uuid NOT NULL, "convoy_id" uuid NOT NULL, "summary_md" text NOT NULL, "screenshot_url" text, "created_by" uuid, "created_at" timestamp with time zone DEFAULT now() NOT NULL ); --> statement-breakpoint ALTER TABLE "completion_artifacts" ADD CONSTRAINT "completion_artifacts_workspace_id_workspaces_id_fk" FOREIGN KEY ("workspace_id") REFERENCES "public"."workspaces"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint ALTER TABLE "completion_artifacts" ADD CONSTRAINT "completion_artifacts_convoy_id_objects_id_fk" FOREIGN KEY ("convoy_id") REFERENCES "public"."objects"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint ALTER TABLE "completion_artifacts" ADD CONSTRAINT "completion_artifacts_created_by_users_id_fk" FOREIGN KEY ("created_by") REFERENCES "public"."users"("id") ON DELETE set null ON UPDATE no action;--> statement-breakpoint CREATE INDEX "completion_artifacts_workspace_id_idx" ON "completion_artifacts" USING btree ("workspace_id");--> statement-breakpoint CREATE INDEX "completion_artifacts_convoy_id_idx" ON "completion_artifacts" USING btree ("convoy_id");--> statement-breakpoint CREATE INDEX "completion_artifacts_created_at_idx" ON "completion_artifacts" USING btree ("created_at");