How-to guides for the `semantic_text` field type

Serverless Stack 9.0.0

These guides provide procedure descriptions and examples for common tasks when working with semantic_text fields:

Set up and configure semantic_text fields: Learn how to configure inference endpoints, including default and preconfigured options, ELSER on EIS, custom endpoints, and dedicated endpoints for ingestion and search operations.
Ingest data with semantic_text fields: Learn how to index pre-chunked content, use copy_to and multi-fields to collect values from multiple fields, and perform updates and partial updates to optimize ingestion costs.
Search and retrieve semantic_text fields: Learn how to query semantic_text fields, retrieve indexed chunks, return field embeddings, and highlight the most relevant fragments from search results.

How-to guides for the semantic_text field type