feat(events): add generic Event Bus and /events/wait endpoint for agent wakeups

server/src/api/telemetry.rs

@@ -45,5 +45,18 @@ pub async fn nvim_telemetry_handler(
         let _ = tx.try_send(msg_str.clone());
     }
 
+    if payload.event == "BufWritePost" {
+        if let Some(ref file_path) = payload.file {
+            let normalized_file = file_path.replace("\\", "/");
+            let topic = format!("nvim:save:{}", normalized_file);
+            let event = crate::state::GenericEvent {
+                topic,
+                session_id: Some(payload.session_id.clone()),
+                payload: serde_json::json!(&payload),
+            };
+            let _ = state.handler.state.event_bus_tx.send(event);
+        }
+    }
+
     axum::Json(serde_json::json!({"status": "ok"}))
 }