CREATE TABLE reports (
    id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
    study_space_id uuid REFERENCES study_spaces(id) ON DELETE CASCADE,
    created_at timestamp with time zone DEFAULT now(),
    updated_at timestamp with time zone DEFAULT now(),
    type text NOT NULL,
    content text
);

CREATE TRIGGER reports_updated_at
AFTER UPDATE ON reports
FOR EACH ROW EXECUTE FUNCTION handle_updated_at();