fix: 修复服务器 Python 3.10 环境下 asyncio.timeout 兼容性导致的崩溃BUG

Refactored workflow and the thinking mode of React based agents

Change llm retry

Change index

Change README and index

Change prompt and index

Change report generation to streaming output, modify scoring function

update prompt and change example

update prompt

update prompt and change default model

change prompt words

update README and replace example image

change .gitignore

add backend env config

initial commit