Show open-capacity labels, enlarge funds, move rules; WeCom on short funds.

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

frontend/src/pages/Plan.tsx

@@ -80,6 +80,7 @@ const PHASE_ZH: Record<string, string> = {
   outside_window: "窗外",
   liquidity_wait: "流动性等待",
   weekend_skip: "周末跳过",
+  wait_funds: "资金不足",
 };
 
 export default function PlanPage() {
@@ -213,6 +214,16 @@ export default function PlanPage() {
 
       {err ? <div className="err">{err}</div> : null}
 
+      <div className="plan-rules-fold">
+        <details>
+          <summary>规则说明</summary>
+          <p className="meta plan-rules-body">
+            行情 {String(plan?.exchange || "okx").toUpperCase()} · ETH-USDT-SWAP ·
+            目标平仓(双腿/远虚只平永续) · 未达标则到期结算
+          </p>
+        </details>
+      </div>
+
       <div className="plan-actions">
         <button
           className={plan?.running ? "btn btn-running" : "btn"}
@@ -318,9 +329,41 @@ export default function PlanPage() {
               </div>
               <div className="kv">
                 <span>权益 / 杠杆</span>
-                <span className="mono">
-                  {fmt(plan?.ledger?.equity)} / 可用 {fmt(plan?.ledger?.available)} ·{" "}
-                  {fmt(plan?.leverage, 0)}x
+                <span className="open-cap-row">
+                  <span
+                    className={
+                      plan?.open_capacity?.perp_can_open === true
+                        ? "open-cap-ok"
+                        : plan?.open_capacity?.perp_can_open === false
+                          ? "open-cap-bad"
+                          : "mono"
+                    }
+                    title={
+                      plan?.open_capacity?.perp_need_usdt != null
+                        ? `需≈${plan.open_capacity.perp_need_usdt}U / 有${plan.open_capacity.perp_have_usdt ?? "—"}U`
+                        : undefined
+                    }
+                  >
+                    {plan?.open_capacity?.perp_label ||
+                      `永续${fmt(plan?.leverage, 0)}x —`}
+                  </span>
+                  <span className="open-cap-sep">·</span>
+                  <span
+                    className={
+                      plan?.open_capacity?.option_can_open === true
+                        ? "open-cap-ok"
+                        : plan?.open_capacity?.option_can_open === false
+                          ? "open-cap-bad"
+                          : "mono"
+                    }
+                    title={
+                      plan?.open_capacity?.option_need_usdc != null
+                        ? `需≈${plan.open_capacity.option_need_usdc}U / 有${plan.open_capacity.option_have_usdc ?? "—"}U`
+                        : undefined
+                    }
+                  >
+                    {plan?.open_capacity?.option_label || "期权 —"}
+                  </span>
                 </span>
               </div>
               <div className="kv">