// strategy.mjs: what the agent runs on every closed 15-minute SOL-USD bar.

export const config = {
  rsiLen: 7,
  rsiBuy: 30,
  emaLen: 96,
  volMult: 1.2,
  stop: 0.02,
  trail: 0.015,
  risk: 0.7,
  cooldown: 8,
  maxHold: 64,
};

export function onBar(s, f) {
  const r = f.rsi(config.rsiLen);
  const trend = f.bar.close > f.ema(config.emaLen).value;
  const busy = f.vol.now > f.vol.avg(24) * config.volMult;

  if (s.flat) {
    if (s.sinceLoss < config.cooldown) return;
    if (r.crossUp(config.rsiBuy) && trend && busy) {
      return s.long(config.risk);
    }
    return;
  }

  const stopPx = s.entry * (1 - config.stop);
  if (f.bar.low <= stopPx) return s.close("stop", stopPx);
  if (f.bar.close <= s.peak * (1 - config.trail)) return s.close("trail");
  if (s.held >= config.maxHold) return s.close("timeout");
}