- New SCREEN_HARD_MONEY_DETAIL accessible by tapping 'HARD MONEY' header
- 3-column layout: Bitcoin | Gold | Silver with spot prices
- Day/Month/Year high/low values (color-coded green/red)
- Day high/low from intraday hourly data
- Month high/low from last 22 trading days
- Year high/low from 1-year daily data
- Togglable sparklines: D(5m/5d)/W(1h/7d)/M(1d/1mo)/Y(1wk/1y)/A(1mo/max)
- Default view is Monthly sparkline
- Auto-refresh on period change
- Stock ticker customization with QWERTY keyboard input (up to 5 tickers)
- Index selection from scrollable multi-select list (up to 5 indices)
- Friendly index names displayed (S&P 500, Dow Jones, NASDAQ, etc.)
- CUSTOMIZE button in dashboard footer
- Config persisted to ESP32 Preferences
- REFRESHING... message shown when returning from customization
- Auto-refresh every 5 minutes
