Add descriptions for parameters

Author: pquentin

output/schema/schema-serverless.json

@@ -210,7 +210,17 @@ export class SparseVectorProperty extends PropertyBase {
 export class SemanticTextProperty {
   type: 'semantic_text'
   meta?: Dictionary<string, string>
+  /**
+   * Inference endpoint that will be used to generate embeddings for the field. By default, `.elser-2-elasticsearch` is used.
+   * This parameter cannot be updated. Use the Create inference API to create the endpoint.
+   * If `search_inference_id` is specified, the inference endpoint will only be used at index time.
+   */
   inference_id: Id
+  /**
+   * Inference endpoint that will be used to generate embeddings at query time.
+   * You can update this parameter by using the Update mapping API. Use the Create inference API to create the endpoint.
+   * If not specified, the inference endpoint defined by inference_id will be used at both index and query time.
+   */
   search_inference_id?: Id
 }