CREATE TABLE IF NOT EXISTS "research_briefs" ( "id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL, "tenant_id" uuid NOT NULL, "created_by_user_id" uuid NOT NULL, "organization_id" text NOT NULL, "organization_name" text, "title" text NOT NULL, "summary" text NOT NULL, "sources" jsonb DEFAULT '[]'::jsonb NOT NULL, "created_at" timestamp DEFAULT now() NOT NULL, "updated_at" timestamp DEFAULT now() NOT NULL ); --> statement-breakpoint CREATE TABLE IF NOT EXISTS "saved_segments" ( "id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL, "tenant_id" uuid NOT NULL, "created_by_user_id" uuid NOT NULL, "name" text NOT NULL, "query" text NOT NULL, "result_limit" integer DEFAULT 20 NOT NULL, "created_at" timestamp DEFAULT now() NOT NULL );