The Windows daily-sync task launches `AeroFetch.exe --sync`, but the single-
instance lock routes that relaunch to the `second-instance` handler whenever
AeroFetch is already open. The handler only focused the window and looked for a
link -- it never checked `isSyncLaunch(argv)` -- so the sync never ran. The daily
auto-download of new watched-source uploads therefore did nothing for minimize-
to-tray / always-on users (and the relaunch stole window focus each day).
Add a `runWatchedSync` main->renderer push: on a `--sync` relaunch the handler
now nudges the renderer to run syncWatched() instead of focusing, so the daily
sync fires whether AeroFetch was closed or already running.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
debont80
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