Snapshot copy-and-swap vs in-place settings updates for searchable attribute changes
Assuming the current Algolia API, we need to change searchable attributes on a small index that accepts continuous writes without introducing downtime or stale results. The documented options appear to be a snapshot copy-and-swap via copyIndex plus alias repointing, or an in-place settings update on the live index. The copy-and-swap path avoids applying new
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