Show registered service versions in dashboard

HealthMonitoring/HealthMonitoring.Tests/Reporting/DashboardModelsTests.cs

@@ -0,0 +1,24 @@
+using HealthMonitoring.Domain;
+using HealthMonitoring.Reporting;
+
+namespace HealthMonitoring.Tests.Reporting;
+
+public sealed class DashboardModelsTests
+{
+    [Fact]
+    public void ServiceDashboardRow_preserves_registered_version()
+    {
+        var row = new ServiceDashboardRow(
+            "orders",
+            "Orders",
+            "Production",
+            "2.4.1",
+            HealthStatus.Healthy,
+            TimeSpan.FromMilliseconds(20),
+            99.9,
+            DateTimeOffset.UtcNow,
+            null);
+
+        Assert.Equal("2.4.1", row.Version);
+    }
+}

HealthMonitoring/HealthMonitoring/Components/Pages/Overview.razor

@@ -21,7 +21,7 @@ else
         @foreach (var service in _overview.Services)
         {
             <a class="service-row" href="/services/@service.ServiceId">
-                <div><strong>@service.Name</strong><small>@service.Environment</small></div>
+                <div><strong>@service.Name</strong><small>@service.Environment</small><small class="service-version">Version: @(string.IsNullOrWhiteSpace(service.Version) ? "not reported" : service.Version)</small></div>
                 <div><StatusBadge Status="@service.Status" /></div>
                 <div>@(service.ResponseDuration?.TotalMilliseconds.ToString("0") ?? "—") ms</div>
                 <div>@service.UptimePercent.ToString("0.00")%</div>

HealthMonitoring/HealthMonitoring/Components/Pages/ServiceDetail.razor

@@ -8,7 +8,7 @@
 }
 else
 {
-<div class="page-heading"><div><p class="eyebrow">SERVICE DETAIL · @_model.Service.Environment</p><h1>@_model.Service.Name</h1><p class="muted">@(_model.Service.MonitorType == MonitorType.KurrentDb ? "KurrentDB monitor" : _model.Service.HealthUrl.ToString())</p></div><div><a class="button secondary" href="@($"/services/{ServiceId}/dependencies")">Manage dependency links</a> <a class="button secondary" href="/">Back to overview</a></div></div>
+<div class="page-heading"><div><p class="eyebrow">SERVICE DETAIL · @_model.Service.Environment</p><h1>@_model.Service.Name</h1><p class="muted">@(_model.Service.MonitorType == MonitorType.KurrentDb ? "KurrentDB monitor" : _model.Service.HealthUrl.ToString())</p><p class="service-version-detail">Version: <strong>@(string.IsNullOrWhiteSpace(_model.Service.Version) ? "not reported" : _model.Service.Version)</strong></p></div><div><a class="button secondary" href="@($"/services/{ServiceId}/dependencies")">Manage dependency links</a> <a class="button secondary" href="/">Back to overview</a></div></div>
     <div class="detail-status"><StatusBadge Status="@_model.Summary.Status" /> <span>Last checked @( _model.Summary.LastChecked?.ToLocalTime().ToString("dd MMM, HH:mm:ss") ?? "never")</span></div>
     <div class="stat-grid three"><StatCard Label="Uptime (24 hours)" Value="@UptimeText" Class="healthy" /><StatCard Label="Observations" Value="@_model.Observations.Count" Class="neutral" /><StatCard Label="Response" Value="@ResponseText" Class="neutral" /></div>
     <section class="panel"><h2>Status timeline</h2><div class="timeline">@foreach (var observation in _model.Observations.OrderBy(item => item.ObservedAtUtc)) { <span class="timeline-segment @observation.Status.ToString().ToLowerInvariant()" title="@observation.ObservedAtUtc.ToLocalTime()"></span> }</div></section>

HealthMonitoring/HealthMonitoring/Components/Pages/ServiceRegister.razor

@@ -7,6 +7,7 @@
 <EditForm Model="_request" OnValidSubmit="RegisterAsync" class="panel form">
     <label>Service ID<input @bind="_request.ServiceId" required /></label>
     <label>Display name<input @bind="_request.Name" required /></label>
+    <label>Version<input @bind="_request.Version" placeholder="e.g. 2.4.1" /></label>
     <label>Monitor type<select @bind="_request.MonitorType"><option value="HttpHealthEndpoint">ASP.NET health endpoint</option><option value="KurrentDb">KurrentDB</option><option value="SqlServer">SQL Server</option></select></label>
     @if (_request.MonitorType is MonitorType.KurrentDb or MonitorType.SqlServer)
     {

HealthMonitoring/HealthMonitoring/Reporting/DashboardModels.cs

@@ -3,6 +3,6 @@
 namespace HealthMonitoring.Reporting;
 
 public sealed record DashboardOverview(IReadOnlyList<ServiceDashboardRow> Services, int Healthy, int Degraded, int Unhealthy, int OpenIncidents);
-public sealed record ServiceDashboardRow(string ServiceId, string Name, string Environment, HealthStatus Status, TimeSpan? ResponseDuration, double UptimePercent, DateTimeOffset? LastChecked, string? LastError);
+public sealed record ServiceDashboardRow(string ServiceId, string Name, string Environment, string? Version, HealthStatus Status, TimeSpan? ResponseDuration, double UptimePercent, DateTimeOffset? LastChecked, string? LastError);
 public sealed record ResolvedDependencyLink(string DependencyName, string TargetServiceId, string TargetServiceName);
 public sealed record ServiceDetailModel(MonitoredService Service, ServiceDashboardRow Summary, IReadOnlyList<HealthObservation> Observations, IReadOnlyList<ServiceIncident> Incidents, IReadOnlyList<HealthCheckResult> Checks, IReadOnlyList<ResolvedDependencyLink> DependencyLinks);

HealthMonitoring/HealthMonitoring/Reporting/DashboardQueryService.cs

@@ -51,6 +51,6 @@ private static ServiceDashboardRow ToRow(MonitoredService service, ServiceStatus
         var total = observations.Count;
         var healthy = observations.Count(observation => observation.Status == HealthStatus.Healthy);
         var uptime = total == 0 ? 0 : healthy * 100d / total;
-        return new ServiceDashboardRow(service.ServiceId, service.Name, service.Environment, snapshot?.Status ?? HealthStatus.Unknown, snapshot?.LastResponseDuration, uptime, snapshot?.LastObservedAtUtc, snapshot?.LastError);
+        return new ServiceDashboardRow(service.ServiceId, service.Name, service.Environment, service.Version, snapshot?.Status ?? HealthStatus.Unknown, snapshot?.LastResponseDuration, uptime, snapshot?.LastObservedAtUtc, snapshot?.LastError);
     }
 }