Function to_human_readable
pub fn to_human_readable(_symbol: &str, size: u64) -> f64
Expand description
Convert contract units to human-readable size.
§Arguments
symbol - The trading symbol (e.g., “BTC-PERP”, “ETH-PERP”)size - Size in contract units
§Returns
Human-readable size (e.g., 1_000_000 -> 1.0 BTC)