Implement complete worksheet grading system with AI analysis and mastery tracking:
Features:
- GPT-5 vision integration for single-pass grading (OCR + analysis)
- Three upload modes: file upload, desktop camera, QR code for smartphone
- Real-time batch upload workflow via QR code scanning
- Automatic mastery profile updates based on grading results
- AI feedback with error pattern detection and next step suggestions
- Guest user support for anonymous uploads
Technical Implementation:
- New database tables: worksheet_attempts, problem_attempts, worksheet_mastery
- Removed foreign key constraints to support guest users
- Session-based batch uploads for efficient multi-worksheet grading
- Validation and retry logic for robust AI responses
- Browser-compatible UUID generation (Web Crypto API)
Components:
- CameraCapture: Desktop/mobile camera capture with high resolution
- QRCodeDisplay: Real-time upload tracking with 2-second polling
- UploadWorksheetModal: Unified interface with three upload tabs
- AttemptResultsPage: Detailed grading results with AI analysis
API Endpoints:
- POST /api/worksheets/upload: Upload and trigger grading
- GET /api/worksheets/sessions/[sessionId]: Poll batch uploads
- GET /api/worksheets/attempts/[attemptId]: Get grading results
Cost: ~$0.04 per worksheet graded
Documentation:
- AI_MASTERY_ASSESSMENT_PLAN.md: Complete system architecture
- PROMPTING_STRATEGY.md: GPT-5 prompting and validation
- UX_EXECUTIVE_SUMMARY.md: Stakeholder-friendly overview
- UX_UI_PLAN.md: Complete interface design
- IMPLEMENTATION_STATUS.md: Testing checklist
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Thomas Hallock