Use dual indices for watch/preview; perp entry uses ETH mark; expiry/close convert coin PnL via option index; align legacy long→Call; omit combo U when index missing.
Co-authored-by: Cursor <cursoragent@cursor.com>
Use option (BTC) index for coin-to-U; never fall back to ETH perp mark. Also add no-server-ops Cursor rule.
Co-authored-by: Cursor <cursoragent@cursor.com>