ALTER TABLE "users" ADD COLUMN IF NOT EXISTS "plan" text DEFAULT 'free' NOT NULL;

CREATE TABLE IF NOT EXISTS "onboarding" (
  "id" text PRIMARY KEY DEFAULT gen_random_uuid()::text NOT NULL,
  "user_id" text NOT NULL,
  "data" jsonb DEFAULT '{}'::jsonb NOT NULL,
  "payload" jsonb DEFAULT '{}'::jsonb NOT NULL,
  "created_at" timestamp with time zone DEFAULT now() NOT NULL,
  "updated_at" timestamp with time zone DEFAULT now() NOT NULL,
  CONSTRAINT "onboarding_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE cascade ON UPDATE no action
);

CREATE UNIQUE INDEX IF NOT EXISTS "onboarding_user_idx" ON "onboarding" USING btree ("user_id");