CREATE TABLE IF NOT EXISTS relation_insights (
  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
  user_id uuid NOT NULL REFERENCES users(id),
  profile_a_id uuid NOT NULL REFERENCES profiles(id),
  profile_b_id uuid NOT NULL REFERENCES profiles(id),
  summary jsonb NOT NULL DEFAULT '{}',
  report_id uuid NULL REFERENCES growth_reports(id),
  created_at timestamptz NOT NULL DEFAULT now(),
  updated_at timestamptz NOT NULL DEFAULT now(),
  deleted_at timestamptz NULL
);
CREATE INDEX IF NOT EXISTS idx_relation_insights_user_id ON relation_insights(user_id);
CREATE INDEX IF NOT EXISTS idx_relation_insights_profiles ON relation_insights(profile_a_id, profile_b_id);