feat(#2569): matrix producer — sweep_unread pushes per-room todos instead of direct wakes

hive-matrix-mcp/src/main.rs

@@ -299,6 +299,11 @@ async fn bring_up_account(
     // each sweep (see the sweep fns) so re-invites / new messages re-wake.
     let invite_notified = Arc::new(tokio::sync::Mutex::new(std::collections::HashSet::new()));
     let unread_notified = Arc::new(tokio::sync::Mutex::new(std::collections::HashSet::new()));
+    // Startup cancel-and-recreate (loose-ends v2, #2569): wipe this agent's
+    // matrix todos so stale ones (rooms read while the daemon was down) don't
+    // linger, then let the first sweep rebuild the set to match current
+    // unread reality. Best-effort; the sweep converges regardless.
+    let _ = crate::wake::send_todo_clear(hyperhive_socket, None, true).await;
     let sync_loop: SyncLoop = Box::pin(async move {
         sync_client
             .sync_with_callback(SyncSettings::default(), move |_response| {