From 26d8f2f620326fabfa9d46e789511802e3399eb9 Mon Sep 17 00:00:00 2001
From: Joseph Doherty <dohejw01@gmail.com>
Date: Tue, 26 May 2026 05:17:56 -0400
Subject: [PATCH] feat(adminui): FleetStatusHub + AlertHub + MapOtOpcUaHubs
 (broadcaster bridge tracked as F16)

---
 .../ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/AlertHub.cs |  9 +++++++++
 .../Hubs/FleetStatusHub.cs                     | 18 ++++++++++++++++++
 .../Hubs/HubRouteBuilderExtensions.cs          | 14 ++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/AlertHub.cs
 create mode 100644 src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/FleetStatusHub.cs
 create mode 100644 src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/HubRouteBuilderExtensions.cs

diff --git a/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/AlertHub.cs b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/AlertHub.cs
new file mode 100644
index 0000000..541496a
--- /dev/null
+++ b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/AlertHub.cs
@@ -0,0 +1,9 @@
+using Microsoft.AspNetCore.SignalR;
+
+namespace ZB.MOM.WW.OtOpcUa.AdminUI.Hubs;
+
+/// <summary>Browser-facing alert / toast push channel. Bridge wiring staged for F16.</summary>
+public sealed class AlertHub : Hub
+{
+    public const string Endpoint = "/hubs/alerts";
+}
diff --git a/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/FleetStatusHub.cs b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/FleetStatusHub.cs
new file mode 100644
index 0000000..7e23051
--- /dev/null
+++ b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/FleetStatusHub.cs
@@ -0,0 +1,18 @@
+using Microsoft.AspNetCore.SignalR;
+using ZB.MOM.WW.OtOpcUa.Commons.Messages.Fleet;
+
+namespace ZB.MOM.WW.OtOpcUa.AdminUI.Hubs;
+
+/// <summary>
+/// Browser-facing fleet-status push channel. Subscribers receive <see cref="FleetStatusChanged"/>
+/// snapshots whenever the admin-role <c>FleetStatusBroadcaster</c> publishes a diff.
+///
+/// Server-side bridge from <c>FleetStatusBroadcaster.broadcast</c> → <c>IHubContext&lt;FleetStatusHub&gt;</c>
+/// is staged for follow-up F16. For now the hub is a passive channel; SignalR clients connect
+/// and stay idle until the bridge lands.
+/// </summary>
+public sealed class FleetStatusHub : Hub
+{
+    public const string Endpoint = "/hubs/fleet-status";
+    public const string MethodName = "fleetStatusChanged";
+}
diff --git a/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/HubRouteBuilderExtensions.cs b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/HubRouteBuilderExtensions.cs
new file mode 100644
index 0000000..95e1a5a
--- /dev/null
+++ b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Hubs/HubRouteBuilderExtensions.cs
@@ -0,0 +1,14 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Routing;
+
+namespace ZB.MOM.WW.OtOpcUa.AdminUI.Hubs;
+
+public static class HubRouteBuilderExtensions
+{
+    public static IEndpointRouteBuilder MapOtOpcUaHubs(this IEndpointRouteBuilder app)
+    {
+        app.MapHub<FleetStatusHub>(FleetStatusHub.Endpoint);
+        app.MapHub<AlertHub>(AlertHub.Endpoint);
+        return app;
+    }
+}