[v2] Multiple Study Modes

[nicholaspsmith]

Overview

Implement multiple study modes beyond basic flashcard review.

Part of

Memoryloop v2 Pivot - Branch 014-goal-based-learning

Study Modes

1. Flashcard Mode (existing, polish)

• Flip-to-reveal interaction
• FSRS rating buttons
• Progress indicator

2. Multiple Choice Mode (new)

• Present card as question with 4 options
• Generate distractors from related cards or LLM
• Immediate feedback on selection
• Still updates FSRS based on correct/incorrect

3. Timed Challenge Mode (new)

• Countdown timer per card (e.g., 15 seconds)
• Points for speed and accuracy
• No partial credit - correct or incorrect
• Session summary with score

4. Mixed Mode (new)

• Randomly selects format per card
• Keeps study sessions varied
• All formats update FSRS

UI Components

• components/study/StudyModeSelector.tsx - Mode picker
• components/study/MultipleChoiceCard.tsx - MC format
• components/study/TimedChallengeCard.tsx - Timer UI
• components/study/StudySessionSummary.tsx - Results

API Changes

• Study session tracks mode
• MC distractor generation endpoint
• Score tracking for timed mode

Acceptance Criteria

• All 4 modes functional
• FSRS updates correctly in all modes
• 20-card session completable in under 10 minutes (SC-003)
• Mode preference persists per user

Dependencies

• Issue [v2] Database Schema: Learning Goals and Skill Trees #220 (Database Schema)

Related Spec

See specs/014-goal-based-learning/spec.md - User Story 3