feat(water): 后台任务同步HealthKit饮水记录并优化目标读取逻辑

app/challenges/[id]/index.tsx

@@ -7,19 +7,19 @@ import { useAuthGuard } from '@/hooks/useAuthGuard';
 import { useColorScheme } from '@/hooks/useColorScheme';
 import {
   fetchChallengeDetail,
+  fetchChallengeRankings,
   joinChallenge,
   leaveChallenge,
   reportChallengeProgress,
-  fetchChallengeRankings,
   selectChallengeById,
   selectChallengeDetailError,
   selectChallengeDetailStatus,
+  selectChallengeRankingList,
   selectJoinError,
   selectJoinStatus,
   selectLeaveError,
   selectLeaveStatus,
-  selectProgressStatus,
-  selectChallengeRankingList
+  selectProgressStatus
 } from '@/store/challengesSlice';
 import { Toast } from '@/utils/toast.utils';
 import { Ionicons } from '@expo/vector-icons';