curl --request POST \
  --url https://app.teable.ai/api/table/%7BtableId%7D/field/plan \
  --header 'Authorization: Bearer REPLACE_BEARER_TOKEN' \
  --header 'content-type: application/json' \
  --data '{"type":"singleSelect","name":"string","unique":true,"notNull":true,"dbFieldName":"string","isLookup":true,"isConditionalLookup":true,"description":"this is a summary","lookupOptions":{"foreignTableId":"string","lookupFieldId":"string","linkFieldId":"string","filter":{}},"options":{"expression":"countall({values})","timeZone":"string","formatting":null,"showAs":{"type":"url"}},"aiConfig":{"modelKey":"string","isAutoFill":true,"attachPrompt":"string","type":"extraction","sourceFieldId":"string"},"id":"fldxxxxxxxxxxxxxxxx","order":{"viewId":"string","orderIndex":0}}'

{
  "estimateTime": 123,
  "updateCellCount": 123,
  "graph": {
    "nodes": [
      {
        "id": "<string>",
        "label": "<string>",
        "comboId": "<string>"
      }
    ],
    "edges": [
      {
        "source": "<string>",
        "target": "<string>",
        "label": "<string>"
      }
    ],
    "combos": [
      {
        "id": "<string>",
        "label": "<string>"
      }
    ]
  },
  "linkFieldCount": 123
}