Add the Config view: edit and save the settings, applied without a restart

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/ui/watch.go

@@ -41,7 +41,7 @@ func diffHistory(seen map[string]string, slots []sabnzbd.HistorySlot, baseline b
 // watchDownloads polls SABnzbd's history until ctx ends and reports finished
 // and failed downloads as popups (and a bell, if enabled). Errors are not
 // reported here: the connection indicator and the log already do that.
-func (a *App) watchDownloads(ctx context.Context, sab *sabnzbd.Client, bell bool) {
+func (a *App) watchDownloads(ctx context.Context, sab *sabnzbd.Client) {
 	seen := map[string]string{}
 	baseline := true
 	t := time.NewTicker(watchInterval)
@@ -54,7 +54,7 @@ func (a *App) watchDownloads(ctx context.Context, sab *sabnzbd.Client, bell bool
 			events := diffHistory(seen, slots, baseline)
 			baseline = false
 			if len(events) > 0 {
-				a.post(func() { a.announce(events, bell) })
+				a.post(func() { a.announce(events, a.bell) })
 			}
 		}
 		select {