Use bid-only limit closes when option index targets hit.

Target price is only for monitoring; auto flat waits for 买一 instead of falling back to mark.

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

lib/common/static/options_panel.js

@@ -866,10 +866,12 @@
     return (
       '<div class="opt-target-row">' +
       '<span class="opt-target-row-label">委托</span>' +
-      '<input type="number" class="opt-pos-target-input" data-inst="' + inst + '" step="0.1" min="0" placeholder="目标指数价" value="' + tgt + '">' +
+      '<input type="number" class="opt-pos-target-input" data-inst="' + inst + '" step="0.1" min="0" placeholder="监控目标指数" value="' + tgt + '">' +
       '<button type="button" class="btn-secondary opt-target-set-btn" data-inst="' + inst + '">设定</button>' +
       '<button type="button" class="btn-secondary opt-target-cancel-btn" data-inst="' + inst + '"' + (armed ? "" : " disabled") + ">取消</button>" +
-      '<span class="muted opt-target-row-hint">' + (armed ? "监控中 · 达价限价平 · 无止损" : "达价限价平 · 无止损 · 到期即止损") + "</span>" +
+      '<span class="muted opt-target-row-hint">' +
+      (armed ? "监控中 · 到位按买一限价平 · 无止损" : "目标=监控指数 · 到位按买一限价平 · 到期即止损") +
+      "</span>" +
       "</div>"
     );
   }