System arch

1 System Architecture

2 Implementation Principle

3 Technology Stack

• Frontend: vue.js, LogicFlow
• Backend: Python / Django, langchain
• Vector Database: PostgreSQL / pgvector
• Large Language Models: Ollama, Azure OpenAI, OpenAI, Gemini, DeepSeek, Tongyi Qianwen, Kimi, Baidu Qianfan, Xunfei Spark, etc.