[arch-updater][BUG] News timer fires every 10 s; health watchdog auto-disables the plugin when Arch news is enabled

[UmedjonBA]

Submission checklist

• I have searched existing issues and confirmed this is not a duplicate.
• I am using the latest available version of Noctalia and of the plugin.
• This is a bug in a community plugin, not in Noctalia itself.

Plugin

yuuto/arch-updater

Plugin version

1.1.0

Bug description

With check_arch_news enabled (the default), the Arch news check runs every ~10 seconds instead of once at startup and then every 6 hours. Each run is an HTTP request plus RSS parsing inside the service callback, and the repeated work eventually makes the callback exceed Noctalia's 25 ms CPU budget. After 5 errors/timeouts within 60 seconds the health watchdog auto-disables the whole plugin — on my machine reliably about 50 seconds after the shell starts, sometimes without any [ERR] lines in noctalia.log. From a user's point of view the plugin (and update checking with it) just silently stops working.

The cause is in service.luau, in update():

if sinceNewsCheck >= NEWS_RECHECK_HOURS * 3600 or sinceNewsCheck == AUTO_CHECK_DELAY then
    sinceNewsCheck = 0
    checkNews()
end

The == AUTO_CHECK_DELAY branch is meant to fire once, 10 ticks after startup. But the counter is reset to 0, so it climbs back to AUTO_CHECK_DELAY and the branch fires again every 10 seconds, forever.

Steps to reproduce

1. Install and enable the plugin with default settings (check_arch_news on).
2. Restart Noctalia.
3. Wait about a minute: a critical notification appears and the plugin is auto-disabled by the health watchdog.

Expected behavior

The news feed is checked once shortly after startup and then every NEWS_RECHECK_HOURS; the plugin stays enabled.

Possible fix

Reset the counter back to AUTO_CHECK_DELAY instead of 0, so the startup branch can never re-fire:

if sinceNewsCheck == AUTO_CHECK_DELAY or sinceNewsCheck >= NEWS_RECHECK_HOURS * 3600 + AUTO_CHECK_DELAY then
    if sinceNewsCheck > AUTO_CHECK_DELAY then
        sinceNewsCheck = AUTO_CHECK_DELAY
    end
    checkNews()
end

I have been running the plugin with this fix for a while (news enabled) with no watchdog trips. I can send a PR with it.

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A note on language: I don't speak English, so this issue was written with the help of AI translation. Sorry in advance for any awkward phrasing — the technical details above are verified on a real system.