Refactoring: Agent (#513)

* refactor: tool

* wip: agent runner

* wip

* completed: agent class

* websocket

* fix

* change: status label

* wip: agent card

* inplemented: frontend

* fix frontend

* remove unused codes and modules

* update poetry lock

* crud thinking log (be)

* wip

* implemented

* reflect fb

* fix style and icon

* enclose card as agent message

* change: prop name as isAgentTHinking

* fix

* avoid re-rendering agent card when scroll

* use pydantic to convert to JSON Schema

* add knowledge tool

* update docs

* chore: lint

* chore: lint

* chore: lint

* fix style

---------

Co-authored-by: Yusuke Wada <[email protected]>

README.md

@@ -49,7 +49,8 @@ Analyze usage for each user / bot on administrator dashboard. [detail](./docs/AD
 
 By using the [Agent functionality](./docs/AGENT.md), your chatbot can automatically handle more complex tasks. For example, to answer a user's question, the Agent can retrieve necessary information from external tools or break down the task into multiple steps for processing.
 
-![](./docs/imgs/agent.gif)
+![](./docs/imgs/agent1.png)
+![](./docs/imgs/agent2.png)
 
 </details>