User - Email - EmailVerified - HashedPassword - Avatar Session - UserId - ExpiresAt EmailVerification - UserId - Email - Code - ExpiresAt PasswordResetTokens - UserId - ExpiresAt Class - Name - Subject - Description - SubjectId Subject - Text ClassMember - ClassId - User Id - Code - Type - Teacher or Student Assignment - Name - Due Date - Topic - Max Score? - Time Limit? - ConceptGraphId? - ClassId? - isLive - isSample - ShowConceptHints AssignmentTemplate - Title - Image Url - AssistantId - ConceptGraph - Prompt (if needed) ConceptGraph - id Concept - ConceptGraphId - formula - calculationR ConceptQuestion - ConceptId - Text ConceptGraphEdges - id - fromConceptId - toConceptId - conceptGraphId ConceptGraphRoot - ConceptGraphId - ConceptId ConceptExplanationText - ConceptId - AlternateText - Embedding Vector Questions - Text - Answer - ConceptSubGraph - AssignmentTemplateId || AssignmentId Explanation - Text - Embedding -> Can choose to not store - UserId - AttemptId? - AssignmentTemplateId || AssignmentId CorrectConcepts - ExplanationId - ConceptId TestAttempt - UserId - AssignmentId - Score - FinalExplanationId - SubmittedAt Answer - ExplanationId - QuestionId - ComputedAnswer - IsCorrect -> Computed property - Explanation Text