Build an AI exam prep tutor focused on a single standardized exam, starting with SAT math. Features: 1) Onboarding diagnostic that samples every exam topic and produces a baseline score with a visual skill map. 2) Personalized study plan that schedules daily sessions weighted toward weak topics and the exam date. 3) Practice question generator that produces exam-style questions with full step by step solutions and difficulty levels. 4) A Socratic explain mode that walks through any problem the student misses without giving away the final answer. 5) Spaced repetition review of previously missed concepts with scheduled recall questions. 6) Timed practice test mode that mimics real exam sections and produces a score prediction. 7) Progress dashboard with accuracy by topic, streaks, and estimated score gain per week. 8) A flashcard auto-builder for formulas and vocabulary tied to each missed question. 9) Parent or coach view with weekly progress emails. 10) Content guardrails that align questions to the official test blueprint and flag any that might be copyrighted.