feat:add rag awel operator view metadata.

[Aries-ckt]

Description

add rag awel operator view metadata.

How Has This Been Tested?

Example1: chat knowledge
create awel rag example as follows:

curl http test:
curl --location --request POST 'http://127.0.0.1:5002/api/v1/awel/trigger/rag/chat/completion' \ --header 'Content-Type: application/json' \ --data-raw '{ "model": "chatgpt_proxyllm", "messages": "your question", "stream": false }'
Example2: document summary
create awel rag example as follows:

curl http test:
curl -X 'POST' \ 'http://127.0.0.1:5000/api/v1/awel/trigger/rag/summary' \ -H 'accept: application/json' \ -H 'Content-Type: application/json' \ -d '{ "model": "chatgpt_proxyllm", "messages": "hello", "stream": false }'

Snapshots:

Include snapshots for easier review.

Checklist:

• My code follows the style guidelines of this project
• I have already rebased the commits and make the commit message conform to the project standard.
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Any dependent changes have been merged and published in downstream modules

[csunny]

Please commit those AWEL flows to dbgpts.

[csunny]

r+

[fangyinc]

r+