The SPA's GET /logout and Fortify's POST /logout both carried the name
'logout', which is fine at runtime (distinct verbs, same URL) but breaks
route:cache (names must be unique for serialization). The Blade auth forms
target route('logout') = Fortify's POST route, so the custom GET route — used
by the SPA via a literal /logout URL — no longer needs the name.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>