Captures the brainstorm on hotfixes, the updater reframe to
'Updates & Improvements', and registry-not-marketplace distribution:
one signed/declarative/reversible primitive behind hotfixes, app
installs, and themes. Vision/TODO doc with open forks, not a spec.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>