version to 0.5.7

[takatost]

Description

• Bump version to 0.5.7
• Added Mistral AI model provider. feat:add mistral ai #2594
• Added Vector Database migrate tool, see below. Feat/vdb migrate command #2562
• Added response format(JSON/XML) for google, anthropic, openai, wenxin, chatglm, tongyi LLMs. Feat/json mode #2563
• refactor RAG(knowledge) module, remove dependency on langchain to increase scalability and flexibility. Feat/dify rag #2528
• Agent uses a model that does not support function calling (ReACT mode) to enable streaming output. Feat/stream react #2498
• Added DuckDuckGo Search Tool for Enhanced Privacy-Focused Search Functionality by @Yash-1511 FEAT: Add DuckDuckGo Search Tool for Enhanced Privacy-Focused Search Functionality #2499

Vector Database Migrate Tool

When you want to switch to another vector database, you can deactivate or delete the original vector database after switching.

How to use

Step:

1. If you are starting from local source code, modify the environment variable in the .env file to the vector database you want to migrate to.
   For example:

VECTOR_STORE=qdrant

2. If you are starting from docker compose, modify the environment variable in the docker-compose.yaml file to the vector database you want to migrate to, both api and worker are all needed.

For example:

# The type of vector store to use. Supported values are `weaviate`, `qdrant`, `milvus`.
VECTOR_STORE: qdrant

4. run the below command in your terminal or docker container

flask vdb-migrarte

Type of Change

• Version release