12You inherit a Flutter app with logic in StatefulWidgets and singletons everywhere. How do you improve it without a rewrite?Hard
13A reviewer rejects your domain entity because it imports package:flutter/material.dart for a Color field — is that pedantic?Medium
14Your UserRepository has fourteen methods that mirror the REST routes one-for-one and returns Response objects — what would you change?Medium
15Every rule about when an order can be cancelled lives in the Cubit and Order is just a bag of fields — what does that cost you?Medium
16QA sends a screenshot with the loading spinner and the error banner on screen at the same time — what is wrong with the state model?Medium
17You edit your name on the settings screen and the header still shows the old one until restart — which layer do you fix, and how?Hard
18Signing out must clear the cart, close the chat socket and drop cached images — how do those features find out without importing each other?Hard
19Placing an order reserves stock, charges the card and clears the cart — which layer owns that sequence, and what happens when the charge fails?Hard
20Coming from Android you ask where a ViewModel lives in Flutter — yours is rebuilt every frame and loses its state on a tab switch. What is going on?Hard