{"name":"AI Teacher Backend","version":"1.0.0","description":"RAG-based AI Teacher with lesson-scoped content","endpoints":{"chat":"POST /api/v1/ai-teacher/chat","ingest":"POST /api/v1/lesson-content/ingest","health":"GET /health"},"models":{"llm":"qwen3.5:9b","embedding":"paraphrase-multilingual:latest"}}