Function export_task_graph_snapshot 

pub fn export_task_graph_snapshot<P: AsRef<Path>>(
    base_path: P,
    events: &[MemoryEvent],
    graph: Option<&TaskGraph>,
) -> MemScopeResult<()>

Export a fixed event cut and optional task metadata captured with that report. All byte counters come from events; registry counters are never used as a fallback.