Permanent regression test for the MyBusinessLetters post-send navigation 404 fix. Every step must preserve the MBL application context. No 404 shall occur.
These are the paths that resolveBrandRoute() returns for the current brand. On MBL, all must start with /mbl/.
letters/mbl/lettersdashboard/mbl/dashboardeditor/mbl/editor?new=1pricing/mbl/pricingsettings/mbl/profileExecute each step in order on the published production app at mybusinessletters.com. Check off each step as it passes.
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Click each button — verify the URL changes to the correct MBL path and the page loads without 404.