fastapi_host=localhost fastapi_port=8000 milvus_host=localhost milvus_port=19530 milvus_collection_name=knowledge_collection openai_base_url=[YOUR_BASE_URL] openai_api_key=[YOUR_API_KEY] openai_llm_model_name=gpt-4o-mini text_embeddings_model_path=jinaai/jina-embeddings-v3