v0.7.0

Changed

• search_index documents use the record's registry.id as their rowid instead of a uuid column, so finding or deleting one is a rowid lookup instead of a table scan. registry.id is an explicit INTEGER PRIMARY KEY, because VACUUM renumbers an implicit rowid. Registry schema is 16, so every registry rebuilds on first boot.
• Registry::set() is an upsert. A replace would mint a new id and orphan the record's search document.
• FieldIndex::index() needs the registry row to exist first, and FieldIndex::remove() must run before the row is deleted.
• Registry::rebuild() connects without bootstrapping, so an explicit rebuild no longer runs a silent one first.

Fixed

• registry:rebuild took quadratic time on a large site. It now prints a live counter with a rate (Cli::status()) instead of a progress bar, since a total would need the registry to boot first.