行情区全屏改为仅 F 键，并强化键盘监听

- 移除 Ctrl+空格，使用 KeyF 与多节点捕获监听

- 点击图表区域聚焦，进入行情页自动聚焦

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

manual_trading_hub/static/chart.js

@@ -795,13 +795,28 @@
     tfDigitTimer = setTimeout(commitTfDigitBuffer, TF_DIGIT_TIMEOUT_MS);
   }
 
-  function isChartFullscreenShortcut(e) {
-    if (e.altKey || e.metaKey) return false;
-    const isSpace =
-      e.code === "Space" || e.key === " " || e.key === "Spacebar";
-    if (isSpace && e.ctrlKey) return true;
-    if ((e.key === "f" || e.key === "F") && !e.ctrlKey && !e.shiftKey) return true;
-    return false;
+  function isChartFullscreenKey(e) {
+    if (e.ctrlKey || e.altKey || e.metaKey || e.shiftKey) return false;
+    return e.code === "KeyF" || e.key === "f" || e.key === "F";
+  }
+
+  function onChartFullscreenKey(e) {
+    if (!isMarketPageActive() || !isChartFullscreenKey(e)) return;
+    if (isTypingInField(e.target)) return;
+    e.preventDefault();
+    e.stopImmediatePropagation();
+    toggleChartFullscreen();
+  }
+
+  function focusMarketChartArea() {
+    const wrap = elChartWrap;
+    if (!wrap) return;
+    if (!wrap.hasAttribute("tabindex")) wrap.setAttribute("tabindex", "-1");
+    try {
+      wrap.focus({ preventScroll: true });
+    } catch (err) {
+      /* ignore */
+    }
   }
 
   function onMarketKeydown(e) {
@@ -814,14 +829,6 @@
       return;
     }
 
-    if (isChartFullscreenShortcut(e)) {
-      if (isTypingInField(e.target) && (e.key === "f" || e.key === "F")) return;
-      e.preventDefault();
-      e.stopPropagation();
-      toggleChartFullscreen();
-      return;
-    }
-
     if (!canUseTfKeyboard(e)) return;
     if (e.key >= "0" && e.key <= "9") {
       e.preventDefault();
@@ -1603,7 +1610,16 @@
         updateIndicators();
       });
     });
+    const pageMarket = document.getElementById("page-market");
+    const fsKeyTargets = [window, pageMarket, elChartWrap, chartHost].filter(Boolean);
+    fsKeyTargets.forEach(function (el) {
+      el.addEventListener("keydown", onChartFullscreenKey, true);
+    });
     window.addEventListener("keydown", onMarketKeydown, true);
+    if (elChartWrap) {
+      if (!elChartWrap.hasAttribute("tabindex")) elChartWrap.setAttribute("tabindex", "-1");
+      elChartWrap.addEventListener("mousedown", focusMarketChartArea);
+    }
     if (elFsExchange) {
       elFsExchange.addEventListener("change", function () {
         syncMainFromFsToolbar();
@@ -1643,6 +1659,7 @@
       } else {
         readQuery();
       }
+      focusMarketChartArea();
       startAutoRefresh();
       await loadChart(false);
       startPriceTagTimer();