Feature: implement feedback loop explain process

[onlyjackfrost]

implement feedback loop explain process

API

• New Mutation: createThreadResponseExplain

  
  createThreadResponseExplain(
    where: CreateThreadResponseExplainWhereInput!
  ): JSON!

input CreateThreadResponseExplainWhereInput { responseId: Int! }

- Exist Query:  thread
```graphql
thread(threadId: Int!): DetailedThread!

type DetailedThread {
    id: Int!
    sql: String!
      @deprecated(
        reason: "Doesn't seem to be reasonable to put a sql in a thread"
      )
    summary: String!
    responses: [ThreadResponse!]!
  }

type ThreadResponse {
    id: Int!
    question: String!
    summary: String!
    status: AskingTaskStatus!
    detail: ThreadResponseDetail
    error: Error
    corrections: [CorrectionDetail!]
    explain: ThreadResponseExplainInfo!   # new added
  }

type ThreadResponseExplainInfo {
    queryId: String
    status: String
    error: JSON
  }

• Exist Query: threadResponse

  
  threadResponse(threadId: Int!): ThreadResponse! 

(Refer to the type definition above)

### Example screenshot
<img width="1884" alt="image" src="https://github.com/user-attachments/assets/90465376-452d-4e28-a6cb-d74d2fb40425">

<img width="1041" alt="image" src="https://github.com/user-attachments/assets/57dae530-8095-4a9e-b932-78a851639145">