Orchestrate multiple analysis skills and surface agreement vs conflict (no extra data fetch).
单标的估值语义摘要（PE/PB + 历史分位模板），开箱即用；深挖请转 fundamental-analyst。
A 股资金流向与板块热度语义摘要（模板）；深挖请转 fund-flow-analyst。
市场 regime + 指数快照 + 可选板块热度语义摘要；深挖请转 market-scanner。
TradingView 对标二期图表研究台运维与验收规程：启动、健康检查、UI核查、常见报错定位（HEAD 501 / NaN / slice）、回退与冒烟脚本。
解读 tool_screen_equity_factors / tool_finalize_screening_nightly：universe、因子、success/quality_score/degraded/config_hash、申万映射与熔断；与旧 tool_quantitative_screening 的迁移说明。
[DEPRECATED] 已由 ota_equity_factor_screening_brief + tool_screen_equity_factors 取代；以下为历史口径说明。
Backtest crypto and traditional trading strategies against historical data. Calculates performance metrics (Sharpe, Sortino, max drawdown), generates equity curves, and optimizes strategy parameters. Use when user wants to test a trading strategy, validate signals, or compare approaches. Trigger with phrases like "backtest strategy", "test trading strategy", "historical performance", "simulate trades", "optimize parameters", or "validate signals".