Searching for "foo bar" now matches emails containing both words rather than the exact phrase. Each whitespace-separated term generates its own IMAP criterion (OR SUBJECT "w" TEXT "w") — multiple top-level IMAP criteria are ANDed by the protocol — and its own Drift LIKE clause for the local DB. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>