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The core change is moving the context out of the `ServiceRunner` struct to be a local variable, and using a channel to notify about shutdown events. Add more synchronization between Run and the moment service started to avoid mis-identifying not running (yet) service as successfully finished. Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com> Co-authored-by: Dmitriy Matrenichev <dmitry.matrenichev@siderolabs.com>