Function try_flush

src/global.rs:238–263

Best-effort: try to flush pending tokens to the worldwide counter. `force` = true on status/sync commands (always attempt), false on others (only flush if stale > 30s).

(config: &mut tracedecay::user_config::UserConfig, force: bool)

/// `force` = true on status/sync commands (always attempt), false on others
/// (only flush if stale > 30s).
pub(crate) fn try_flush(config: &mut tracedecay::user_config::UserConfig, force: bool) {
    if config.pending_upload == 0 || !config.upload_enabled {
        return;
    }
    let now = current_unix_timestamp();

    // Cooldown: skip if last flush attempt failed less than 60s ago
    if config.last_flush_attempt_at > config.last_upload_at
        && elapsed_since(now, config.last_flush_attempt_at) < 60
    {
        return;
    }

    // Staleness check for non-force commands
    if !force && elapsed_since(now, config.last_upload_at) < 30 {
        return;
    }

    config.last_flush_attempt_at = now;
    if let Some(worldwide_total) = tracedecay::cloud::flush_pending(config.pending_upload) {
        config.pending_upload = 0;
        config.last_upload_at = now;
        config.last_worldwide_total = worldwide_total;
        config.last_worldwide_fetch_at = now;
    }
}

/// Best-effort version check with 5-minute network cache. If `skip_cache` is
/// true, always fetches from GitHub (used during sync where the call runs in