Function run_notify_watch_loop 

pub(crate) fn run_notify_watch_loop(
    store: &mut AtlasStore,
    plan: &ScanRuntimePlan,
    poll_seconds: u64,
    max_cycles: usize,
    symbol_options: &SymbolBuildOptions,
) -> Result<WatchReport, CliError>

Run an event-backed watcher loop with notify.