新增二维码加载状态管理，优化二维码获取逻辑，支持提前获取二维码并清理定时器，提升用户体验

src/views/Play.vue

@@ -25,6 +25,7 @@
       :submitting="state.submitting"
       :mecmachine-id="state.mecmachineId || state.machineId"
       @qr-image-error="handleQrImageError"
+      @qr-image-load="handleQrReadyEarly"
       @retry-qr-code="retryGetQrCode"
       @page-refresh="handlePageRefresh"
     />
@@ -134,7 +135,9 @@ export default {
     const {
       processSelectRegionResponse,
       handleQrImageError,
-      retryGetQrCode
+      retryGetQrCode,
+      fetchQrCodeAfterDelay,
+      clearQrDelayTimeout
     } = useQrCode()
 
     onMounted(() => {
@@ -193,6 +196,41 @@ export default {
       }
     }
 
+    const handleQrReadyEarly = async () => {
+      try {
+        if (!state.isWaitingQr) return
+        if (!state.mecmachineId) return
+        if (state.qrInfo && state.qrInfo.url) return
+        // 结束等待并清理相关定时器
+        state.isWaitingQr = false
+        clearQrDelayCountdown()
+        if (typeof clearQrDelayTimeout === 'function') {
+          clearQrDelayTimeout(state)
+        }
+        // 立即拉取二维码并开始倒计时与登录轮询
+        await fetchQrCodeAfterDelay(
+          state,
+          countdown,
+          state.mecmachineId,
+          state.qrCreatedAt,
+          state.qrExpireAt
+        )
+        if (state.status === 'USING') {
+          startCountdown()
+          startLoginPolling(state.code, handleLoggedInStatus, handleCompletedStatus)
+          startProgressPolling(state.code, (progressData) => {
+            state.currentPoints = progressData.currentPoints || state.currentPoints
+            state.totalPoints = progressData.totalPoints || state.totalPoints
+            if (progressData.completedPoints !== undefined) {
+              state.completedPoints = progressData.completedPoints
+            }
+          })
+        }
+      } catch (error) {
+        console.error('提前获取二维码失败:', error)
+      }
+    }
+
     return {
       state,
       countdown,
@@ -202,6 +240,7 @@ export default {
       handlePageRefresh,
       handleQrImageError,
       retryGetQrCode,
+      handleQrReadyEarly,
       handleRetry,
       getRegionName,
       getDisplayStatus,