Keep OO amplitude refreshed while holding a position.

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

frontend/src/pages/Plan.tsx

@@ -766,14 +766,25 @@ export default function PlanPage() {
                             : "—"}
                         </span>
                         <span className="pos-meta-item mono">
-                          {fmt(pos?.option2_qty_eth, 2)} ETH ·{" "}
-                          {fmt(pos?.option2_qty_contracts, 0)} 张
+                          {fmt(
+                            pos?.option2_qty_eth ??
+                              plan?.oo_put_qty_eth ??
+                              plan?.risk_sizing_preview?.put_qty_eth,
+                            2,
+                          )}{" "}
+                          ETH · {fmt(pos?.option2_qty_contracts, 0)} 张
                         </span>
                         <span
                           className="pos-meta-item mono"
                           title="开仓指数÷开仓均价"
                         >
-                          杠杆 {fmt(pos?.option2_leverage, 0)}x
+                          杠杆{" "}
+                          {pos?.option2_leverage != null
+                            ? `${fmt(pos.option2_leverage, 0)}x`
+                            : optionLevLabel(
+                                pos?.entry_index_px ?? snap?.index_px,
+                                pos?.option2_entry_px,
+                              )}
                         </span>
                       </div>
                       <div className="pos-grid">
@@ -788,8 +799,8 @@ export default function PlanPage() {
                           <span className="pos-value mono">
                             {fmtBidLiqEx(
                               "option",
-                              pos?.option2_mark_px,
-                              pos?.option2_bid_sz,
+                              pos?.option2_mark_px ?? snap?.put?.bid,
+                              pos?.option2_bid_sz ?? snap?.put?.bid_sz,
                             )}
                           </span>
                         </div>