# ai-teacher Development Guidelines

Auto-generated from all feature plans. Last updated: 2026-04-03

## Active Technologies
- Java 25 (backend), TypeScript / Node 20 (frontend) + Spring Boot 4.0.5, Spring AI 2.0.0-M4, OpenAI API (embeddings + chat), PDFBox (via Spring AI PDF reader dependency) (002-image-aware-embedding)
- PostgreSQL (JPA + Flyway), pgvector (Spring AI `VectorStore`), local file system (extracted images — `/uploads/figures/`) (002-image-aware-embedding)

- Java 21 (backend), TypeScript / Node 20 (frontend) (001-neuro-rag-learning)

## Project Structure

```text
src/
tests/
```

## Commands

npm test && npm run lint

## Code Style

Java 21 (backend), TypeScript / Node 20 (frontend): Follow standard conventions

## Recent Changes
- 002-image-aware-embedding: Added Java 25 (backend), TypeScript / Node 20 (frontend) + Spring Boot 4.0.5, Spring AI 2.0.0-M4, OpenAI API (embeddings + chat), PDFBox (via Spring AI PDF reader dependency)

- 001-neuro-rag-learning: Added Java 21 (backend), TypeScript / Node 20 (frontend)

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