Fix hub funds overview double-counting OKX USDT with options.

Only add options USDC/USDG onto perpetual USDT totals, repair historical double-counted snapshots, and label the options line as USDC.

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

manual_trading_hub/static/funds.js

@@ -211,7 +211,7 @@
           monitored && ac.options_trading_usdt != null ? fmt(ac.options_trading_usdt, 2) + " U" : "";
         const optLine =
           optFunding || optTrading
-            ? '<div><span class="k">期权户</span><span class="v">' +
+            ? '<div><span class="k">期权USDC</span><span class="v">' +
               (optFunding || "—") +
               " / " +
               (optTrading || "—") +

manual_trading_hub/static/index.html

@@ -1756,7 +1756,7 @@
   <script src="/assets/trade_stats_calendar.js?v=3"></script>
   <script src="/assets/archive.js?v=20260724-opt-archive"></script>
   <script src="/assets/quotes.js?v=20260717-quotes-feed"></script>
-  <script src="/assets/funds.js?v=20260717-funds-scroll-fix"></script>
+  <script src="/assets/funds.js?v=20260807-opt-no-double"></script>
   <script src="/assets/dashboard.js?v=20260807-opt-float"></script>
   <script src="/assets/strategy.js?v=11"></script>
   <script src="/assets/amp_stats.js?v=20260728-hedge"></script>