feat(challenges): 排行榜支持单位显示与健身圆环自动上报进度

- ChallengeRankingItem 新增 unit 字段，支持按单位格式化今日进度
- FitnessRingsCard 监听圆环闭合，自动向进行中的运动挑战上报 1 次进度
- 过滤已结束挑战，确保睡眠、喝水、运动进度仅上报进行中活动
- 移除 StressMeter 调试日志与 challengesSlice 多余打印

components/challenges/ChallengeRankingItem.tsx

@@ -8,9 +8,46 @@ type ChallengeRankingItemProps = {
   item: RankingItem;
   index: number;
   showDivider?: boolean;
+  unit?: string;
 };
 
-export function ChallengeRankingItem({ item, index, showDivider = false }: ChallengeRankingItemProps) {
+const formatNumber = (value: number): string => {
+  if (Number.isInteger(value)) {
+    return value.toString();
+  }
+  return value.toFixed(2).replace(/0+$/, '').replace(/\.$/, '');
+};
+
+const formatMinutes = (value: number): string => {
+  const safeValue = Math.max(0, Math.round(value));
+  const hours = safeValue / 60;
+  return `${hours.toFixed(1)} 小时`;
+};
+
+const formatValueWithUnit = (value: number | undefined, unit?: string): string | undefined => {
+  if (typeof value !== 'number' || Number.isNaN(value)) {
+    return undefined;
+  }
+  if (unit === 'min') {
+    return formatMinutes(value);
+  }
+  const formatted = formatNumber(value);
+  return unit ? `${formatted} ${unit}` : formatted;
+};
+
+export function ChallengeRankingItem({ item, index, showDivider = false, unit }: ChallengeRankingItemProps) {
+  console.log('unit', unit);
+
+  const reportedLabel = formatValueWithUnit(item.todayReportedValue, unit);
+  const targetLabel = formatValueWithUnit(item.todayTargetValue, unit);
+  const progressLabel = reportedLabel && targetLabel
+    ? `今日 ${reportedLabel} / ${targetLabel}`
+    : reportedLabel
+      ? `今日 ${reportedLabel}`
+      : targetLabel
+        ? `今日目标 ${targetLabel}`
+        : undefined;
+
   return (
     <View style={[styles.rankingRow, showDivider && styles.rankingRowDivider]}>
       <View style={styles.rankingOrderCircle}>
@@ -28,6 +65,11 @@ export function ChallengeRankingItem({ item, index, showDivider = false }: Chall
           {item.name}
         </Text>
         <Text style={styles.rankingMetric}>{item.metric}</Text>
+        {progressLabel ? (
+          <Text style={styles.rankingProgress} numberOfLines={1}>
+            {progressLabel}
+          </Text>
+        ) : null}
       </View>
       {item.badge ? <Text style={styles.rankingBadge}>{item.badge}</Text> : null}
     </View>
@@ -85,9 +127,14 @@ const styles = StyleSheet.create({
   },
   rankingMetric: {
     marginTop: 4,
-    fontSize: 13,
+    fontSize: 12,
     color: '#6f7ba7',
   },
+  rankingProgress: {
+    marginTop: 2,
+    fontSize: 10,
+    color: '#8a94c1',
+  },
   rankingBadge: {
     fontSize: 12,
     color: '#A67CFF',