fix(hub): green open arrows for long, red for short on archive chart

Explicit open marker colors and broader direction parsing (short/空/sell).

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

manual_trading_hub/static/archive.js

@@ -255,9 +255,25 @@
     return best;
   }
 
+  const OPEN_ARROW_LONG = "#22c55e";
+  const OPEN_ARROW_SHORT = "#ef4444";
+  const OPEN_ARROW_LONG_HI = "#4ade80";
+  const OPEN_ARROW_SHORT_HI = "#f87171";
+
   function isLongDirection(dir) {
     const d = String(dir || "").trim().toLowerCase();
-    return d === "long" || d === "多" || d === "buy";
+    if (d === "short" || d === "空" || d === "sell" || d === "做空" || d === "shorts") {
+      return false;
+    }
+    if (d === "long" || d === "多" || d === "buy" || d === "做多" || d === "longs") {
+      return true;
+    }
+    return true;
+  }
+
+  function openArrowColor(long, highlight) {
+    if (long) return highlight ? OPEN_ARROW_LONG_HI : OPEN_ARROW_LONG;
+    return highlight ? OPEN_ARROW_SHORT_HI : OPEN_ARROW_SHORT;
   }
 
   function buildTradeMarkers(tr, candles, tf, opts) {
@@ -268,7 +284,7 @@
     const long = isLongDirection(tr.direction);
     const openMs = tradeOpenMs(tr);
     const closeMs = tradeCloseMs(tr);
-    const openColor = highlight ? (long ? "#4ade80" : "#f87171") : long ? "#22c55e" : "#ef4444";
+    const openColor = openArrowColor(long, highlight);
     let closeColor = highlight ? "#fbbf24" : "#f59e0b";
     const pnl = Number(tr.pnl_amount);
     if (!highlight && Number.isFinite(pnl) && pnl < -0.0001) {

manual_trading_hub/static/index.html

@@ -352,7 +352,7 @@
   <div id="toast"></div>
   <script src="https://unpkg.com/lightweight-charts@4.2.0/dist/lightweight-charts.standalone.production.js"></script>
   <script src="/assets/chart.js?v=20260604-upnl-contracts"></script>
-  <script src="/assets/archive.js?v=20260607-hub-archive-v5"></script>
+  <script src="/assets/archive.js?v=20260607-hub-archive-v6"></script>
   <script src="/assets/ai_review_render.js?v=2"></script>
   <script src="/assets/app.js?v=20260607-hub-archive-v1"></script>
 </body>