feat(wren-ai-service):text2chart

[cyyeh]

api spec

• POST: /v1/charts
• input

{
  "query": <str>  // user's question
  "summary": <str> // sql summary
  "sql": <str> // sql query
}

• output

{
  "query_id": <str>
}

• PATCH: /v1/charts/{query_id}
• input

{
  "status": "stopped"
}

• output

{
   "query_id": <str>
}

• GET: /v1/charts/{query_id}
• output

{
  "status": "understanding" | "generating" | "finished" | "failed" | "stopped",
  "response": <str> (optional)  // vega-lite schema
  "error": (optional) {
    "code": "OTHERS",
    "message": <str>
  }
}

[MGomaa435]

Hi