Show option bid as price/size and option leverage on plan and trades.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/pages/Plan.tsx

@@ -14,6 +14,14 @@ function fmtTop(px: number | null | undefined, sz: number | null | undefined) {
   return `${fmt(px)}(${s})`;
 }
 
+/** 持仓买一：价格/流动性张数，如 17.00/4000 */
+function fmtBidLiq(px: number | null | undefined, sz: number | null | undefined) {
+  if (px == null || Number.isNaN(px)) return "—";
+  if (sz == null || Number.isNaN(sz)) return fmt(px);
+  const s = sz >= 100 ? sz.toFixed(0) : sz >= 10 ? sz.toFixed(1) : sz.toFixed(2);
+  return `${fmt(px)}/${s}`;
+}
+
 function pnlClass(n: number | null | undefined) {
   if (n == null || Number.isNaN(n) || n === 0) return "";
   return n > 0 ? "pos-pnl-profit" : "pos-pnl-loss";
@@ -638,6 +646,9 @@ export default function PlanPage() {
                     <span className="pos-meta-item mono">
                       {fmt(pos?.option_qty_eth, 2)} ETH · {fmt(pos?.option_qty_contracts, 0)} 张
                     </span>
+                    <span className="pos-meta-item mono" title="开仓指数÷开仓均价">
+                      杠杆 {fmt(pos?.option_leverage, 0)}x
+                    </span>
                   </div>
                   <div className="pos-grid">
                     <div className="pos-cell">
@@ -646,7 +657,9 @@ export default function PlanPage() {
                     </div>
                     <div className="pos-cell">
                       <span className="pos-label">买一</span>
-                      <span className="pos-value mono">{fmt(pos?.option_mark_px)}</span>
+                      <span className="pos-value mono">
+                        {fmtBidLiq(pos?.option_mark_px, pos?.option_bid_sz)}
+                      </span>
                     </div>
                     <div className="pos-cell">
                       <span className="pos-label">