Add the input_type param to the Perform text embedding inference API (#5274)

Author: davidkyle

output/openapi/elasticsearch-openapi.json

@@ -55,6 +55,19 @@ export interface Request extends RequestBase {
      * Either a string or an array of strings.
      */
     input: string | Array<string>
+    /**
+     * The input data type for the text embedding model. Possible values include:
+     * * `SEARCH`
+     * * `INGEST`
+     * * `CLASSIFICATION`
+     * * `CLUSTERING`
+     * Not all services support all values. Unsupported values will trigger a validation exception.
+     * Accepted values depend on the configured inference service, refer to the relevant service-specific documentation for more info.
+     *
+     * > info
+     * > The `input_type` parameter specified on the root level of the request body will take precedence over the `input_type` parameter specified in `task_settings`.
+     */
+    input_type?: string
     /**
      * Optional task settings
      */

output/openapi/elasticsearch-serverless-openapi.json

@@ -7,7 +7,5 @@ method_request: 'POST _inference/text_embedding/my-cohere-endpoint'
 value: |-
   {
     "input": "The sky above the port was the color of television tuned to a dead channel.",
-    "task_settings": {
-      "input_type": "ingest"
-    }
+    "input_type": "ingest"
   }