feat: add backtester and enable ranging-regime filter

feat: add feed health monitoring and structure-based TP2/trailing stop rules

Remove unprofitable 15m timeframe symbols (ETHUSDT & EURUSD) from the entire application

Optimize SL ATR buffers dynamically, enforce zone freshness, and align backtester spread execution

Optimize crypto ATR Stop Loss buffer multiplier to 1.5 to handle spread spacing

Add hard trend alignment filter to buildSignal to avoid counter-trend noise

Implement Option A (Liquidity Sweep & VSA Volume) and Option B (Forex/Gold Session Kill Zones)

Update BTCUSDT spread to 25.0 to align with actual execution prices

feat: adjust short SL/TP by spread and correct lot sizing to limit risk to exactly

feat: implement spot gold offset engine and telegram notification loops with smart SL post-mortems

feat: migrate to full-stack cloud autopilot terminal with mongodb atlas