Part A: @soroban/llm-client package
- Multi-provider support (OpenAI, Anthropic) via env vars
- Zod schema validation for structured LLM responses
- Retry loop with validation error feedback in prompt
- Progress indication hooks for UI feedback
- Vision support for image analysis
Part B: Worksheet parsing feature
- Zod schemas for parsed worksheet problems
- LLM prompt builder for abacus workbook images
- Parser using llm.vision() with retry logic
- Session converter to create SlotResults for BKT
- Database migration for parsing columns
- API routes: /parse, /review, /approve workflow
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Thomas Hallock