storkit: merge 393_story_pipeline_stage_notifications_for_whatsapp_and_slack_transports

server/src/main.rs

@@ -250,6 +250,10 @@ async fn main() -> Result<(), std::io::Error> {
 
     // Clone watcher_tx for the Matrix bot before it is moved into AppContext.
     let watcher_tx_for_bot = watcher_tx.clone();
+    // Subscribe to watcher events for WhatsApp/Slack notification listeners
+    // before watcher_tx is moved into AppContext.
+    let watcher_rx_for_whatsapp = watcher_tx.subscribe();
+    let watcher_rx_for_slack = watcher_tx.subscribe();
     // Wrap perm_rx in Arc<Mutex> so it can be shared with both the WebSocket
     // handler (via AppContext) and the Matrix bot.
     let perm_rx = Arc::new(tokio::sync::Mutex::new(perm_rx));
@@ -413,6 +417,31 @@ async fn main() -> Result<(), std::io::Error> {
         drop(matrix_shutdown_rx);
     }
 
+    // Spawn stage-transition notification listeners for WhatsApp and Slack.
+    // These mirror the listener that the Matrix bot spawns internally.
+    if let (Some(ctx), Some(root)) = (&whatsapp_ctx, &startup_root) {
+        let ambient_rooms = Arc::clone(&ctx.ambient_rooms);
+        chat::transport::matrix::notifications::spawn_notification_listener(
+            Arc::clone(&ctx.transport),
+            move || ambient_rooms.lock().unwrap().iter().cloned().collect(),
+            watcher_rx_for_whatsapp,
+            root.clone(),
+        );
+    } else {
+        drop(watcher_rx_for_whatsapp);
+    }
+    if let (Some(ctx), Some(root)) = (&slack_ctx, &startup_root) {
+        let channel_ids: Vec<String> = ctx.channel_ids.iter().cloned().collect();
+        chat::transport::matrix::notifications::spawn_notification_listener(
+            Arc::clone(&ctx.transport) as Arc<dyn crate::chat::ChatTransport>,
+            move || channel_ids.clone(),
+            watcher_rx_for_slack,
+            root.clone(),
+        );
+    } else {
+        drop(watcher_rx_for_slack);
+    }
+
     // On startup:
     // 1. Reconcile any stories whose agent work was committed while the server was
     //    offline (worktree has commits ahead of master but pipeline didn't advance).