# Ollama
OLLAMA_BASE_URL=http://localhost:11434
OLLAMA_MODEL=llama3.2
OLLAMA_EMBEDDING_MODEL=nomic-embed-text

# ChromaDB
CHROMA_PERSIST_DIR=./chroma_db
CHROMA_COLLECTION_NAME=rag_knowledge_base

# File handling
UPLOAD_DIR=./uploads
MAX_FILE_SIZE_MB=20

# Security
ALLOWED_ORIGINS=["http://localhost:3000"]

# RAG tuning
CHUNK_SIZE=800
CHUNK_OVERLAP=100
IMAGE_CHUNK_SIZE=1200
IMAGE_CHUNK_OVERLAP=220
RETRIEVAL_K=8