LDBD Dev Log #4 — Longer Charts, Simpler Lines, a Humbler Score

LDBD Dev Log #4 — extending candlestick charts to ten years (three stacked causes: a backfill range, a response row cap, and data that was already there), mobile UI fixes, a TradingView-style redesign of chart drawing around geometric primitives plus roles, Fibonacci retracements, and a fairness re-check of the annualized score with stronger smoothing.