update：对接节奏训练

src/pages/training/practise-one.vue

@@ -92,6 +92,8 @@ const rhythmServerTimestamp = ref(0);
 const rhythmFallbackWindowStart = ref(0);
 const rhythmFallbackTimestamp = ref(0);
 const rhythmHasActiveServerAnchor = ref(false);
+// 节奏训练目标箭数以服务端 total_arrows 为准；首帧缺失时用 arrows_left 初始化并保持稳定。
+const rhythmTargetArrows = ref(0);
 // 服务端状态立即落到 practiceInfo，精准训练的目标区域单独延迟展示。
 const visiblePrecisionTarget = ref({
   randomBlock: 0,
@@ -416,7 +418,7 @@ const trainingCopy = computed(() => {
   }
 
   if (trainingType.value === "rhythm") {
-    const targetArrows = getPositiveInteger(total.value);
+    const targetArrows = getPositiveInteger(rhythmTargetArrows.value);
     const arrowsLeft = Math.min(
       targetArrows,
       Math.max(
@@ -494,6 +496,8 @@ const practiceInfoFields = [
   "deltaTotalArrows",
   "deltaAverageRing",
   "deltaStability",
+  "tenRingCount",
+  "deltaTenRingCount",
   "beforeExp",
   "beforeLevel",
   "currentExp",
@@ -522,6 +526,8 @@ const practiceResultFields = [
   "deltaTotalArrows",
   "deltaAverageRing",
   "deltaStability",
+  "tenRingCount",
+  "deltaTenRingCount",
   "beforeExp",
   "beforeLevel",
   "currentExp",
@@ -569,8 +575,31 @@ const cacheRhythmTrainingConfig = (message = {}) => {
   }
 };
 
+const cacheRhythmTargetArrows = (message = {}) => {
+  const messageTrainingType = String(
+    message.trainingType ?? message.training_type ?? trainingType.value
+  ).trim();
+  if (messageTrainingType !== "rhythm") return;
+
+  const totalArrows = getPositiveInteger(
+    message.totalArrows ?? message.total_arrows
+  );
+  if (totalArrows > 0) {
+    rhythmTargetArrows.value = totalArrows;
+    return;
+  }
+
+  // 兼容服务端首帧 total_arrows 暂为 0：只初始化一次，避免剩余数递减时分母跟着变化。
+  if (rhythmTargetArrows.value === 0) {
+    rhythmTargetArrows.value = getPositiveInteger(
+      message.arrowsLeft ?? message.arrows_left
+    );
+  }
+};
+
 const syncPracticeInfo = (message = {}) => {
   cacheRhythmTrainingConfig(message);
+  cacheRhythmTargetArrows(message);
   const nextInfo = practiceInfoFields.reduce((result, field) => {
     if (Object.prototype.hasOwnProperty.call(message, field)) {
       result[field] = message[field];
@@ -1427,6 +1456,7 @@ async function onRetry() {
   rhythmFallbackWindowStart.value = 0;
   rhythmFallbackTimestamp.value = 0;
   rhythmHasActiveServerAnchor.value = false;
+  rhythmTargetArrows.value = 0;
   invalidateShotPresentations({ resetVisible: true });
   start.value = false;
   scores.value = [];