Phone hub folds: emergency ops, market toolbar, calc tabs, OKX options.

Collapse bulky monitor/market controls by default on phone, show OKX options on tiles, add calculator tab switch, and request landscape on market fullscreen.

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

manual_trading_hub/static/chart.js

@@ -1168,6 +1168,30 @@
     elFsExchange.value = elExchange.value;
   }
 
+  function unlockMarketFsOrientation() {
+    try {
+      if (screen.orientation && typeof screen.orientation.unlock === "function") {
+        screen.orientation.unlock();
+      }
+    } catch (e) {
+      /* ignore */
+    }
+    document.body.classList.remove("market-fs-want-landscape");
+  }
+
+  function lockMarketFsLandscape() {
+    document.body.classList.add("market-fs-want-landscape");
+    const orient = screen.orientation;
+    if (!orient || typeof orient.lock !== "function") return;
+    Promise.resolve(orient.lock("landscape"))
+      .catch(function () {
+        return orient.lock("landscape-primary");
+      })
+      .catch(function () {
+        /* 浏览器可能拒绝;CSS 会提示转横屏 */
+      });
+  }
+
   function setChartFullscreen(on) {
     chartFullscreen = !!on;
     const wrap = elChartWrap || (chartHost && chartHost.closest(".market-chart-wrap"));
@@ -1183,6 +1207,12 @@
     if (chartFullscreen) {
       populateFsExchangeOptions();
       syncFsToolbarFromMain();
+      // 手机全屏优先横屏看图;电脑/平板不强制
+      if (window.matchMedia && window.matchMedia("(max-width: 720px)").matches) {
+        lockMarketFsLandscape();
+      }
+    } else {
+      unlockMarketFsOrientation();
     }
     scheduleChartResize();
   }