[Bug]: App shows garbage values sometimes #53

What happened?

The app shows garbage values sometimes and fixes them after sync. This usually affects steps, calories, and distance.

Steps to reproduce

Make sure the app shows the last correct value.

Which ring are you using?

Colmi R02

iOS version

iOS 26.5

iPhone model

iPhone 16 Pro

PulseLoop version / commit

main

Which area is affected?

Today / Vitals / Sleep / Activity UI

Logs / screenshots

Before submitting

• I searched existing issues and this isn't a duplicate.
• I removed any personal health data / secrets from logs and screenshots.