huskies: merge 599_story_cross_project_status_notifications_in_chat

server/src/main.rs

@@ -544,6 +544,8 @@ async fn main() -> Result<(), std::io::Error> {
     let watcher_rx_for_whatsapp = watcher_tx.subscribe();
     let watcher_rx_for_slack = watcher_tx.subscribe();
     let watcher_rx_for_discord = watcher_tx.subscribe();
+    // Subscribe to watcher events for the per-project event buffer (gateway polling).
+    let watcher_rx_for_events = 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));
@@ -802,7 +804,18 @@ async fn main() -> Result<(), std::io::Error> {
         test_jobs: std::sync::Arc::new(std::sync::Mutex::new(std::collections::HashMap::new())),
     };
 
-    let app = build_routes(ctx, whatsapp_ctx.clone(), slack_ctx.clone(), port);
+    // Create the per-project event buffer and subscribe it to the watcher channel
+    // so that pipeline events are buffered for the gateway's `/api/events` poller.
+    let event_buffer = crate::http::events::EventBuffer::new();
+    crate::http::events::subscribe_to_watcher(event_buffer.clone(), watcher_rx_for_events);
+
+    let app = build_routes(
+        ctx,
+        whatsapp_ctx.clone(),
+        slack_ctx.clone(),
+        port,
+        Some(event_buffer),
+    );
 
     // Unified 1-second background tick loop: fires due timers, detects orphaned
     // agents (watchdog), and promotes done→archived items (sweep).  Replaces the