Add tradingagents/prediction_market/ as a parallel module adapting the
multi-agent framework for Polymarket binary prediction markets.
Key components:
- 4 analysts: Event, Odds, Information, Sentiment
- YES/NO researchers with structured debate
- PM Trader with Kelly Criterion position sizing
- Risk debate team (aggressive/conservative/neutral)
- Polymarket REST API client (Gamma + CLOB, read-only)
- LangGraph state machine mirroring existing stock flow
- BM25 memory system for reflection/learning
- CLI integration with analysis mode selection and URL resolution
Analysis-only scope - no order placement in v1.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>