Add weekend open skip, expiry force-close, and Chinese trade labels.

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

frontend/src/pages/Plan.tsx

@@ -44,6 +44,7 @@ const PHASE_ZH: Record<string, string> = {
   stopped: "已停开",
   outside_window: "窗外",
   liquidity_wait: "流动性等待",
+  weekend_skip: "周末跳过",
 };
 
 export default function PlanPage() {
@@ -123,7 +124,7 @@ export default function PlanPage() {
     <div>
       <h2 style={{ marginTop: 0 }}>自动对冲计划</h2>
       <p style={{ color: "var(--muted)", marginTop: -8 }}>
-        SIM 本地撮合 · 期权只买 · 剩余时长选到期 · 净盈利达标全平
+        SIM 本地撮合 · 期权只买 · 净盈利达标或到期全平
       </p>
       {err ? <div className="err">{err}</div> : null}