[Bug] MobileQuizManager does not save draft answers between sessions — all answers lost on backgrounding

[RUKAYAT-CODER]

Overview

src/components/mobile/MobileQuizManager/ manages quiz answer state in local component state only. On iOS, if the system memory-evicts the app during a long quiz, all answers are lost when the user returns. For a 30-question quiz, this forces users to restart from question 1 despite having answered 20 questions.

Specifications

Features:

• Quiz answers persisted to Zustand quiz store on every answer submission
• Quiz store already persists via persist middleware — answers survive app kill
• On quiz mount, check for in-progress session with same quizId
• 'Resume quiz?' prompt shown if in-progress session found

Tasks:

• Move answer state from component useState to quizStore.setAnswer(questionId, answer)
• On quiz mount, check quizStore.quizId === currentQuizId and quizStore.answers
• Show resume prompt if previous session detected
• Add 'Start fresh' option that calls quizStore.resetQuiz()
• Add unit test for persist → resume flow

Impacted Files:

• src/components/mobile/MobileQuizManager/
• src/store/slices/quizStore.ts

Acceptance Criteria

• Answer submitted on question 15 persists across app kill and relaunch
• Resume prompt shown on quiz relaunch with partial progress
• 'Start fresh' clears all quiz state
• Unit test confirms answers retrievable from store after simulated kill

[sheyman546]

@sheyman546 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

please i will love work on this issue

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[lamborghini21]

@lamborghini21 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello boss, I'd love to work on this issue and I promise to deliver results in 24 hours.

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[Benedict315]

@Benedict315 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello please assign

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