"No Update Available" must only mean the server has nothing newer. Flatpak
installs were skipped before the check, so they always saw that alert.
Replace the installable flag with an install method (integrated | flatpak |
manual). Flatpak still never self-installs, but now gets a toast telling the
user to run `flatpak update`; manual installs keep the download link. The
X-Install-Mode header reports "flatpak" for those installs.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Gregory SchierandClaude Fable 5
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