Method mark_version_installed

src/user_config.rs:218–225

Marks `running` as fully installed by advancing both version markers, returning whether anything changed. This is the single home of the marker-advancement protocol: only a completed full agent install pass (the startup silent reinstall, or `post-update`'s reinstall step) may record its version here, so the next startup's maintenance knows the work does not need repeating.

(&mut self, running: &str)

    /// record its version here, so the next startup's maintenance knows the
    /// work does not need repeating.
    pub fn mark_version_installed(&mut self, running: &str) -> bool {
        if self.previous_version == running && self.last_installed_version == running {
            return false;
        }
        self.previous_version = running.to_string();
        self.last_installed_version = running.to_string();
        true
    }
}

/// Parse a human-readable duration string like "15s" or "1m" into a Duration.