Today
Tab 1 · default landing
S01Core
Today overview
Calorie progress · macro bars · latest meal · primary button "Log"
S01a
Today's meals
Breakfast / lunch / dinner / snack entries — tap for details
S01b
Meal details (saved)
Read-only result + delete / re-edit
Log
Tab 2 · main task flow
S02Core
Choose meal
Breakfast / lunch / dinner / snack
S03Core · HW
Scale total weight W
Place the meal, press Measure on the scale — W locks once stable, the only true weight in the whole flow
S04Core
AI scanning
Covered by the same Measure press: recognition + volume share (no weighing) · one photo auto-captured · the app assembles the report
S04L
Auto-correct
Automatically re-samples / re-recognizes when unstable — no action needed
S04hError
Manual help (exception)
Too dense to tell apart, steam blocks the lens → handle it, then rescan
S05Core
Confirm foods
List: rename, delete, add · per-item grams always sum to W
S05a
Edit item / search food library
In-overlay editing
S06Core
Nutrition result
Total calories · protein / carbs / fat · per-item breakdown
S07Core
Saved
Success message → back to Today, or check in to Community
Community
Tab 3 · check-in feed
S10Core
Community feed
Check-in cards — each a real logged meal: photo + its kcal / macros
S10a
Check-in composer
Photo + numbers pre-attached from the scan · optional caption · Public / Followers
S10b
Check-in detail
Full macro panel · likes / replies · numbers are the meal's actual scale-based result
Insights
Tab 4 · habit loop
S08
Weekly report
7-day calories · protein trend · days on target
S08a
Weekly report details
Drill down by day · brief tips
S08b
History calendar (later)
First version collapses to a list
Profile
Tab 5 · goals & device
S09
Profile home
Goal type · weight · macro targets
S09a
Goals
Fat loss / muscle gain · daily calories · protein target
S09bHW
Device management
Pair scale · firmware / battery
S09c
Accuracy explainer
"Scale pins the weight · AI splits it" — the How it works page
Navigation model
| Tab | Role | Screens | Priority |
|---|---|---|---|
| Today | Status awareness + strongest entry point "Log" | S01 – S01b | P0 |
| Log | Full main task flow (can also jump straight to S02 from Today) | S02 – S07 + Error | P0 |
| Community | Check-in feed — post a logged meal's photo + numbers; composer is reached from S06 / S07 | S10 – S10b | P1 |
| Insights | Weekly report and habit feedback | S08 – S08b | P1 |
| Profile | Goals, device, accuracy explainer | S09 – S09c | P1 |