Document React remote search follow-up. Explain the single-select search threshold setting and link the proposed Strict Mode and selected-record fix for Harvest #79.
Docs: Document the bounded remote source API. Update the remote search guide for the package API and move Harvest #79 into the implemented table, linking both fork pull requests.
Wiki: Document bounded remote search integration. Link the four-edition recipe and screenshot from the Harvest issue review while keeping the built-in API question open. See harvesthq/chosen#79 and JJJ/chosen#209.