PORT=3000
NODE_ENV=development
QDRANT_URL=http://localhost:6333
QDRANT_API_KEY=
QDRANT_COLLECTION=rag_chunks
EMBEDDING_PROVIDER=openrouter
EMBEDDING_MODEL=qwen/qwen3-embedding-8b
EMBEDDING_BASE_URL=https://openrouter.ai/api/v1
EMBEDDING_API_KEY=
ANSWER_PROVIDER=openrouter
ANSWER_MODEL=openai/gpt-4.1-mini
ANSWER_BASE_URL=https://openrouter.ai/api/v1
ANSWER_API_KEY=