Implement dual target-close paths and residual option expiry.

Document and enforce: A full dual-leg close, B perp-only when deep OTM with residual archive that does not block next open, and expiry settlement when target is missed.

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

frontend/src/pages/Plan.tsx

@@ -134,7 +134,8 @@ export default function PlanPage() {
       <p style={{ color: "var(--muted)", marginTop: -8 }}>
         SIM 本地撮合 · 行情{" "}
         {(snap?.exchange || "okx").toUpperCase()}
-        {snap?.perp_inst_id ? ` · ${snap.perp_inst_id}` : ""} · 净盈利达标或到期全平
+        {snap?.perp_inst_id ? ` · ${snap.perp_inst_id}` : ""} ·
+        目标平仓(双腿/远虚只平永续) · 未达标则到期结算
       </p>
       {err ? <div className="err">{err}</div> : null}
 
@@ -228,6 +229,19 @@ export default function PlanPage() {
                 <span>当前组</span>
                 <span className="mono">{pos?.group_id || "—"}</span>
               </div>
+              <div className="kv">
+                <span>残留期权(待到期)</span>
+                <span className="mono">
+                  {plan?.residuals && plan.residuals.length > 0
+                    ? plan.residuals
+                        .map(
+                          (r) =>
+                            `${r.group_id}:${r.option_inst_id || "?"}@${r.expiry_ymd || "?"}`
+                        )
+                        .join(" · ")
+                    : "无"}
+                </span>
+              </div>
               <div className="kv">
                 <span>信号方向</span>
                 <span className="mono">{biasTag}</span>