Backfilling Logic

YuHeng allows users to add meals for past dates or specific times.

Date/Time Selection

Users can pick a date and time in the “Add Meal” page using the backfill toggle.

Meal Type Classification

The system automatically classifies the meal based on the time:

• 06:00 - 10:00: Breakfast
• 10:00 - 14:00: Lunch
• 17:00 - 19:00: Dinner
• Other: Snack

These thresholds are configurable in the Settings.