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VERIFY #4932's named red — test_a_single_non_ascii_letter_is_still_a_one_ character_query — stood: searchUsers() guarded with strlen($q) < 2 under a comment that calls the floor "two characters". A single Ł, É, ü or a CJK surname is one letter and two or three bytes, so one keystroke cleared the byte floor and answered with full chip rows — the directory spill the floor exists to prevent, on exactly the names a school has the most trouble typing. mb_strlen, matching admin.settings.users.search (the endpoint this picker's row shape is keyed against), which answers [] for the same query. The verifier's test is carried onto this branch so the fix lands with its proof. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>