feat: add backtester and enable ranging-regime filter

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

Apply user's multi-key Twelve Data integration for Forex/Metals with dedicated polling cycles and Yahoo fallback routing

Tuning outlier wick filter with lowered min_wick and clampAmt bounds for tighter low-volatility tracking

Apply user's absolute backstop, dynamic clamp bounding, and API edge outlier filtering

Upgrade to a premium, dynamic Neighbour-Relative Forex Outlier-Wick Filter

Completely remove and clean up Twelve Data integration from the codebase

Lower Forex outlier wick filter to 40 pips and implement same filter in twelveDataAPI

fix: enforce strict 150-pip hard-clamp limit on Forex outlier wicks to completely eradicate Yahoo Finance bad ticks

fix: implement dynamic Outlier Forex Wick Filter to eliminate Yahoo Finance bad ticks for USDCAD

perf: implement centralized server market-data cache, staggered polling, and spot drift TTL

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

feat: implement Twelve Data provider integration with secure Express API proxy, automated server-side caching, and key-activated OANDA spot gold/forex upgrade

fix: align and deduplicate candle timestamps to timeframe duration boundaries, preventing ghost tick candles during live chart updates

fix: migrate crypto to yahoo finance to bypass US geoblocks

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