Trading Signal — full directional trade recommendation for one ticker. Combines pattern backtest, regime detection, fea

Trading Signal — full directional trade recommendation for one ticker. Combines pattern backtest, regime detection, fear/greed index, fundamentals, earnings context, and macro analog into a single Kelly-sized signal. HOW TO CALL: POST /trading/signal?ticker=BTC POST /trading/signal?ticker=AAPL&timeframe=1d&lookback_days=30 PARAMETERS: ticker — asset symbol, e.g. BTC, ETH, AAPL, SPY (required) timeframe — '1d' (default) lookback_days — pattern window in days (default 20) RESPONSE: direction — 'long' | 'short' | 'neutral' confidence — 0.0–1.0 composite score kelly_half — half-Kelly position fraction (0.0–1.0) narrative — {summary, win_rate, p50_return, edge} context — {fear_greed, regime, fundamentals, earnings, macro} PRICING: $0.09 per call (half the cheapest comparable x402 seller).