Revert "fix(options): speed up chain refresh with fast path and non-blocking UI"

This reverts commit 6fad68f7b1.

lib/common/static/options_panel.js

@@ -1450,14 +1450,8 @@
     const uly = state.underlying;
     const seq = ++chainLoadSeq;
     const btn = document.getElementById("opt-load-chain");
-    const hadChain = chainHasExpiries(state.chain) && state.chain.underlying === uly;
-    if (btn && !soft) {
-      btn.disabled = true;
-      if (!btn.dataset.origText) btn.dataset.origText = btn.textContent || "刷新链";
-      btn.textContent = "刷新中…";
-    }
-    // 已有链时不先清空表格,避免「白屏等很久」的体感
-    if (!soft && !hadChain) {
+    if (btn && !soft) btn.disabled = true;
+    if (!soft) {
       setExpirySelectStatus("加载到期日中…");
       const tbody = document.getElementById("opt-strike-tbody");
       if (tbody) {
@@ -1468,18 +1462,9 @@
     try {
       let d = null;
       let lastMsg = "";
-      const expMs = (document.getElementById("opt-exp-select") || {}).value || "";
-      // WS 已热时走 fast,跳过最慢的整家族 REST tickers
-      const useFast = soft || quoteLiveWsOk || hadChain;
-      const maxAttempts = soft ? 2 : 3;
-      for (let attempt = 0; attempt < maxAttempts; attempt++) {
+      for (let attempt = 0; attempt < 3; attempt++) {
         if (seq !== chainLoadSeq) return;
-        let url =
-          "/api/options/chain?underlying=" +
-          encodeURIComponent(uly) +
-          (useFast ? "&fast=1" : "");
-        if (expMs) url += "&exp_time=" + encodeURIComponent(expMs);
-        d = await apiJson(url);
+        d = await apiJson("/api/options/chain?underlying=" + encodeURIComponent(uly));
         if (seq !== chainLoadSeq) return;
         if (d && d.ok && chainHasExpiries(d)) break;
         lastMsg = (d && (d.msg || d.chain_error)) || "暂无到期日";
@@ -1487,14 +1472,14 @@
           !!(d && d.rate_limited) ||
           /50011|Too Many Requests|过于频繁/i.test(String(lastMsg || ""));
         d = null;
-        if (attempt < maxAttempts - 1) {
-          if (!soft && !hadChain) {
+        if (attempt < 2) {
+          if (!soft) {
             setExpirySelectStatus(
               rateLimited ? "OKX 限频,稍后重试…" : "重试加载到期日…"
             );
           }
           await new Promise(function (resolve) {
-            setTimeout(resolve, rateLimited ? 1200 * (attempt + 1) : 300);
+            setTimeout(resolve, rateLimited ? 1200 * (attempt + 1) : 400);
           });
         }
       }
@@ -1504,7 +1489,6 @@
           if (!soft) {
             renderExpiries();
             renderStrikes();
-            void watchCurrentExpiryQuotes();
           }
           return;
         }
@@ -1526,7 +1510,7 @@
         alert(friendly);
         return;
       }
-      const keepExp = soft || hadChain ? (document.getElementById("opt-exp-select") || {}).value : "";
+      const keepExp = soft ? (document.getElementById("opt-exp-select") || {}).value : "";
       state.chain = d;
       panelCache.chain = d;
       panelCache.underlying = uly;
@@ -1534,7 +1518,7 @@
       chainQuotedAt = Date.now();
       lastChainSoftAt = chainQuotedAt;
       syncAskLiqFilterFromChain(d);
-      if (!soft && !hadChain) {
+      if (!soft) {
         state.selectedInst = null;
         resetMoneyFilterToAll();
         state.strikeExpandAll = false;
@@ -1544,19 +1528,18 @@
       }
       updateUnderlyingLabel();
       renderExpiries();
-      if (keepExp) {
+      if (soft && keepExp) {
         const sel = document.getElementById("opt-exp-select");
         if (sel && Array.from(sel.options).some(function (o) { return o.value === keepExp; })) {
           sel.value = keepExp;
         }
       }
-      // soft/已有链时保留 selectedInst；renderStrikes 会先 park 再按 prevSelected 静默重挂下单面板
+      // soft 时保留 selectedInst；renderStrikes 会先 park 再按 prevSelected 静默重挂下单面板
       renderStrikes();
       void watchCurrentExpiryQuotes();
       startQuoteLiveStream();
     } catch (e) {
       if (seq !== chainLoadSeq || soft) return;
-      if (hadChain) return;
       setExpirySelectStatus("选择到期日");
       const tbody = document.getElementById("opt-strike-tbody");
       if (tbody) {
@@ -1566,10 +1549,7 @@
           "</td></tr>";
       }
     } finally {
-      if (seq === chainLoadSeq && btn) {
-        btn.disabled = false;
-        if (btn.dataset.origText) btn.textContent = btn.dataset.origText;
-      }
+      if (seq === chainLoadSeq && btn) btn.disabled = false;
     }
   }