CREATE TABLE "steps" ( "id" text PRIMARY KEY NOT NULL, "message_id" text NOT NULL, "step_type" text NOT NULL, "text" text, "reasoning" text, "finish_reason" text, "created_at" timestamp DEFAULT now() NOT NULL, "tool_calls" json, "tool_results" json ); --> statement-breakpoint ALTER TABLE "users" DISABLE ROW LEVEL SECURITY;--> statement-breakpoint DROP TABLE "users" CASCADE;--> statement-breakpoint ALTER TABLE "chats" DROP CONSTRAINT "chats_user_id_users_id_fk"; --> statement-breakpoint ALTER TABLE "chats" ALTER COLUMN "user_id" SET NOT NULL;--> statement-breakpoint ALTER TABLE "messages" ADD COLUMN "reasoning" text;--> statement-breakpoint ALTER TABLE "messages" ADD COLUMN "tool_calls" json;--> statement-breakpoint ALTER TABLE "messages" ADD COLUMN "tool_results" json;--> statement-breakpoint ALTER TABLE "messages" ADD COLUMN "has_tool_use" boolean DEFAULT false;--> statement-breakpoint ALTER TABLE "steps" ADD CONSTRAINT "steps_message_id_messages_id_fk" FOREIGN KEY ("message_id") REFERENCES "public"."messages"("id") ON DELETE cascade ON UPDATE no action;