The WindowsDisclaimerModal mechanism on the purchases pref seam: a
purchases_disclaimer_seen key seeded on entry, a disclaimerVisible field
in the list document, and an OK that persists the dismissal for good. The
overlay uses the DiscoverConfigModal wheel-lock shape; the scrim does not
dismiss, so a stray click can never acknowledge it. Body ships as msgids
in all locales with the Star Wars line kept in English everywhere.
cc
vicrodh
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