The design asked for the owner name or an em dash; wrapping the dash in the Owner template produced Хозяин: —. Low-speed clock tests now cover x1/2 and x2 as well as x1.
Two tabs with the cookie already set never POST /api/session, so name-online on login did not cover the design rule. Claim the name under the same lock as the online check.
Co-authored-by: Cursor <cursoragent@cursor.com>