- Upgrade CDN from v4.1.0 to v5.1.0
- Add displayMode property to indicators ('overlay' vs 'pane')
- Mark oscillators (RSI, MACD, Stoch, ATR) as pane-type indicators
- Rewrite drawIndicatorsOnChart() to render oscillators in separate draggable panes
- Update all chart.addSeries() calls to v5 API with paneIndex parameter
- Add pane layout configuration with resizable separators