Grok-synthesized consensus forecast for candidate/party WINNER election markets (US and international). Blends live Polymarket odds (ground truth) with a polling average Grok synthesizes from multiple sources via web_search; returns per-candidate composites (equal-weight market+poll), the individual polls averaged into each candidate (verifiable), and cited sources. Target a market with a registered 'race' key or any Polymarket election event 'slug'.