feat(ui):hrv_avg、hr_avg 都统一取floor

@@ -537,7 +537,7 @@ class LocalHealthDataConvert {
       List<HealthRawHrvStressPoint> hrvPoints) {
     final latest = _latestHrvByRawEndTime(hrvPoints);
     return V2LatestHrvData(
-      latestHrv: (latest?.result ?? 0).floor().toDouble(),
+      latestHrv: (latest?.result ?? 0).floorToDouble(),
       latestDataTime: latest?.rawEndTime,
       state: latest?.state.value,
       tip: _latestHrvTip(latest: latest),
@@ -718,8 +718,8 @@ class LocalHealthDataConvert {
     final hrvAverage = _averageOrNull(dayHrv.map((e) => e.result).toList());
     return _HrvDaySummary(
       day: day,
-      hrvAverage: hrvAverage?.toDouble(),
-      hrAverage: stress?.stressScore.toDouble(),
+      hrvAverage: hrvAverage?.floorToDouble(),
+      hrAverage: stress?.stressScore.floorToDouble(),
       lastRestingHrValue:
           dayRestingHr.isEmpty ? null : dayRestingHr.last.value?.floor(),
       comprehensiveStressScore: stress?.stressScore.toDouble(),
@@ -749,16 +749,16 @@ class LocalHealthDataConvert {
           timeKey: entry.key,
           hrvAverage: _averageOrNull(
             entry.value.map((e) => e.hrvAverage).whereType<num>().toList(),
-          )?.toDouble(),
+          )?.floorToDouble(),
           hrAverage: _averageOrNull(
             entry.value.map((e) => e.hrAverage).whereType<num>().toList(),
-          )?.toDouble(),
+          )?.floorToDouble(),
           comprehensiveStressScore: _averageOrNull(
             entry.value
                 .map((e) => e.comprehensiveStressScore)
                 .whereType<num>()
                 .toList(),
-          )?.toDouble(),
+          )?.roundToDouble(),
           state: _modeState(entry.value.map((e) => e.state).whereType<int>()),
         ),
     ];