修复移动端股票组件问题 - 缩放条铺满整个区域

src/client/mobile/components/stock/stock_main.tsx

@@ -11,6 +11,7 @@ export function StockMain() {
   const [searchParams] = useSearchParams();
   const codeFromUrl = searchParams.get('code');
   const [stockCode, setStockCode] = useState(codeFromUrl || undefined);//|| '001339'
+  const [showCode, setShowCode] = useState(false);
   const classroom = searchParams.get('classroom');
   const {
     pushExamData,
@@ -161,6 +162,8 @@ export function StockMain() {
           stockData={stockData}
           memoData={memoData}
           trades={trades}
+          width="100%"
+          scaleBarFullWidth={true}
         />
         
         {/* 添加画线工具栏 */}
@@ -178,13 +181,23 @@ export function StockMain() {
         <div className="flex items-center space-x-6">
           {/* 查询输入框 */}
           <div className="flex items-center space-x-2">
-            <input
-              type="text"
-              value={stockCode}
-              onChange={(e) => setStockCode(e.target.value)}
-              placeholder="输入股票代码"
-              className="px-3 py-2 text-sm bg-gray-700 text-white rounded-md border border-gray-600 focus:outline-none focus:ring-2 focus:ring-blue-500"
-            />
+            <div className="relative">
+              <input
+                type={showCode ? "text" : "password"}
+                value={stockCode}
+                onChange={(e) => setStockCode(e.target.value)}
+                placeholder="输入股票代码"
+                maxLength={6}
+                className="px-3 py-2 pr-10 text-sm bg-gray-700 text-white rounded-md border border-gray-600 focus:outline-none focus:ring-2 focus:ring-blue-500"
+              />
+              <button
+                type="button"
+                onClick={() => setShowCode(!showCode)}
+                className="absolute right-2 top-1/2 transform -translate-y-1/2 text-gray-400 hover:text-white"
+              >
+                {showCode ? '👁️' : '👁️‍🗨️'}
+              </button>
+            </div>
             <button
               onClick={handleQuery}
               className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 transition-colors"