Opt-in drawing tools (drawings.enabled) in a calm default style: a Fibonacci retracement with only the 50-61.8% pocket tinted, a support trend line and a resistance ray, in the theme accent and muted text tones. Pick a tool from the toolbar to add your own; anchors snap to candles, drawings are stored as { t, y }, serialise to JSON and persist in localStorage. All four tools with the vivid palette: "All Drawing Tools".
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