Add refresh buttons to hub plan and calculator pages.

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

manual_trading_hub/static/calculator.js

@@ -188,6 +188,37 @@
     fillExchangeSelect($("calc-roll-exchange"));
   }
 
+  function fmtRefreshTime() {
+    const d = new Date();
+    const h = String(d.getHours()).padStart(2, "0");
+    const m = String(d.getMinutes()).padStart(2, "0");
+    const s = String(d.getSeconds()).padStart(2, "0");
+    return h + ":" + m + ":" + s;
+  }
+
+  async function refreshPage() {
+    const btn = $("calc-btn-refresh");
+    const status = $("calc-refresh-status");
+    const trendId = $("calc-trend-exchange") && $("calc-trend-exchange").value;
+    const rollId = $("calc-roll-exchange") && $("calc-roll-exchange").value;
+    if (btn) btn.disabled = true;
+    if (status) status.textContent = "刷新中…";
+    Object.keys(marketCache).forEach(function (k) {
+      delete marketCache[k];
+    });
+    try {
+      await loadCalculatorExchanges();
+      fillExchangeSelect($("calc-trend-exchange"), trendId);
+      fillExchangeSelect($("calc-roll-exchange"), rollId);
+      await Promise.all([refreshMarket("calc-trend"), refreshMarket("calc-roll")]);
+      if (status) status.textContent = "已刷新 " + fmtRefreshTime();
+    } catch (err) {
+      if (status) status.textContent = "刷新失败";
+    } finally {
+      if (btn) btn.disabled = false;
+    }
+  }
+
   function bindMarket(prefix) {
     const exchangeEl = $(prefix + "-exchange");
     const baseEl = $(prefix + "-base");
@@ -557,12 +588,23 @@
     bindRollLegsUI();
     bindMarket("calc-trend");
     bindMarket("calc-roll");
+    const refreshBtn = $("calc-btn-refresh");
+    if (refreshBtn) {
+      refreshBtn.addEventListener("click", function () {
+        void refreshPage();
+      });
+    }
   }
 
   window.hubCalculatorPage = {
     init: function () {
-      bindOnce();
+      if (inited) {
+        void refreshPage();
+        return;
+      }
+      void bindOnce();
     },
+    refresh: refreshPage,
     destroy: function () {},
   };
 })();