hackf5 · hackf5 · Apr 26, 2026 · Apr 26, 2026 · Apr 26, 2026 · Apr 26, 2026
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -5,6 +5,10 @@ on:
     branches:
       - "**"
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   test:
     name: Build and test (${{ matrix.postgres-image }})

diff --git a/Directory.Packages.props b/Directory.Packages.props
@@ -1,20 +1,23 @@
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <MicrosoftPackageVersionRange>[10.0.0, 11.0.0)</MicrosoftPackageVersionRange>
+    <NpgsqlPackageVersionRange>[10.0.0, 11.0.0)</NpgsqlPackageVersionRange>
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="[10.0.102, 11.0.0)" />
-    <PackageVersion Include="Microsoft.AspNetCore.App.Internal.Assets" Version="[10.0.0, 11.0.0)" />
-    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="[10.0.0, 11.0.0)" />
-    <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="[10.0.0, 11.0.0)" />
-    <PackageVersion Include="Microsoft.Extensions.Hosting" Version="[10.0.0, 11.0.0)" />
-    <PackageVersion Include="Microsoft.Extensions.Options" Version="[10.0.0, 11.0.0)" />
+    <PackageVersion Include="Microsoft.AspNetCore.App.Internal.Assets" Version="$(MicrosoftPackageVersionRange)" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="$(MicrosoftPackageVersionRange)" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="$(MicrosoftPackageVersionRange)" />
+    <PackageVersion Include="Microsoft.Extensions.Hosting" Version="$(MicrosoftPackageVersionRange)" />
+    <PackageVersion Include="Microsoft.Extensions.Logging" Version="$(MicrosoftPackageVersionRange)" />
+    <PackageVersion Include="Microsoft.Extensions.Options" Version="$(MicrosoftPackageVersionRange)" />
     <PackageVersion Include="Microsoft.Extensions.TimeProvider.Testing" Version="10.5.0" />
-    <PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="[10.0.0, 11.0.0)" />
+    <PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="$(MicrosoftPackageVersionRange)" />
     <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.6.2" />
     <PackageVersion Include="Microsoft.Testing.Platform" Version="2.2.1" />
     <PackageVersion Include="Cronos" Version="0.12.0" />
-    <PackageVersion Include="Npgsql" Version="[10.0.0, 11.0.0)" />
+    <PackageVersion Include="Npgsql" Version="$(NpgsqlPackageVersionRange)" />
     <PackageVersion Include="Shouldly" Version="4.3.0" />
     <PackageVersion Include="Testcontainers.PostgreSql" Version="4.11.0" />
     <PackageVersion Include="xunit.v3.mtp-v2" Version="3.2.2" />

diff --git a/src/Sheddueller.Dashboard/Components/DashboardApp.razor b/src/Sheddueller.Dashboard/Components/DashboardApp.razor
@@ -12,9 +12,12 @@
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
     <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&amp;family=Space+Grotesk:wght@400;500;600;700&amp;display=swap" rel="stylesheet" />
     <link href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&amp;display=swap" rel="stylesheet" />
+    <link href="_content/Sheddueller.Dashboard/vendor/prism/prism.css" rel="stylesheet" />
 </head>
 <body>
     <Routes @rendermode="DashboardRenderMode" />
+    <script src="_content/Sheddueller.Dashboard/vendor/prism/prism.js" data-manual></script>
+    <script src="_content/Sheddueller.Dashboard/vendor/prism/sheddueller-prism.js"></script>
     <script src="_framework/blazor.web.js"></script>
 </body>
 </html>

diff --git a/src/Sheddueller.Dashboard/Components/Pages/JobDetail.razor b/src/Sheddueller.Dashboard/Components/Pages/JobDetail.razor
@@ -1,8 +1,10 @@
 @page "/jobs/{JobId:guid}"
 @inherits DashboardPageComponent
+@using Microsoft.JSInterop
 @inject IJobInspectionReader Reader
 @inject IJobManager JobManager
 @inject DashboardLiveUpdateStream LiveUpdates
+@inject IJSRuntime JsRuntime
 
 <div class="job-detail-page">
     <header class="job-detail-toolbar">
@@ -208,6 +210,54 @@
             </section>
 
             <div class="job-detail-operations">
+                @if (_detail.Invocation is { } invocation)
+                {
+                    <section class="job-detail-panel job-detail-invocation-panel">
+                        <h2>Invocation</h2>
+
+                        <pre class="job-detail-invocation-call language-csharp"><code class="language-csharp"
+                                                                                       @ref="_invocationCodeElement">@invocation.ReconstructedCall</code></pre>
+
+                        <div class="job-detail-invocation-summary">
+                            <div class="job-detail-metadata-item">
+                                <span>Handler</span>
+                                <strong title="@DashboardFormat.FullHandler(job)">@DashboardFormat.InvocationHandler(invocation)</strong>
+                            </div>
+                            <div class="job-detail-metadata-item">
+                                <span>Target</span>
+                                <strong>@invocation.TargetKind.ToString()</strong>
+                            </div>
+                            <div class="job-detail-metadata-item">
+                                <span>Payload</span>
+                                <strong title="@invocation.SerializedArgumentsContentType">@DashboardFormat.Count(invocation.SerializedArgumentsByteCount) bytes</strong>
+                            </div>
+                        </div>
+
+                        @if (invocation.SerializedArgumentsStatus != JobSerializedArgumentsInspectionStatus.Displayable)
+                        {
+                            <p class="job-detail-empty">@DashboardFormat.InvocationStatus(invocation)</p>
+                        }
+
+                        <div class="job-detail-parameter-list">
+                            @foreach (var parameter in invocation.Parameters)
+                            {
+                                <article class="job-detail-parameter" @key="parameter.ParameterIndex">
+                                    <div class="job-detail-parameter__header">
+                                        <span>@string.Create(CultureInfo.InvariantCulture, $"#{parameter.ParameterIndex + 1}")</span>
+                                        <strong title="@parameter.ParameterType">@DashboardFormat.ShortTypeName(parameter.ParameterType)</strong>
+                                        <em>@DashboardFormat.InvocationBinding(parameter)</em>
+                                    </div>
+
+                                    @if (parameter.SerializedValueJson is not null)
+                                    {
+                                        <pre>@parameter.SerializedValueJson</pre>
+                                    }
+                                </article>
+                            }
+                        </div>
+                    </section>
+                }
+
                 <section class="job-detail-panel">
                     <h2>Lifecycle Timeline</h2>
 
@@ -571,6 +621,8 @@
     .job-detail-mono,
     .job-detail-metadata-item strong,
     .job-detail-chip,
+    .job-detail-invocation-call,
+    .job-detail-parameter pre,
     .job-detail-progress-percent,
     .job-detail-log-table,
     .job-detail-timeline__time span {
@@ -944,6 +996,112 @@
         line-height: 16px;
     }
 
+    .job-detail-invocation-panel {
+        display: flex;
+        flex-direction: column;
+        gap: 14px;
+    }
+
+    .job-detail-invocation-summary {
+        display: grid;
+        grid-template-columns: minmax(0, 2fr) minmax(120px, 1fr) minmax(160px, 1fr);
+        gap: 12px;
+        margin-top: 2px;
+    }
+
+    .job-detail-invocation-call {
+        overflow: auto;
+        margin: 0;
+        border: 1px solid var(--sd-outline-variant);
+        border-radius: 2px;
+        background: var(--sd-surface-container);
+        color: var(--sd-on-surface);
+        font-size: 13px;
+        line-height: 20px;
+        padding: 10px;
+        white-space: pre-wrap;
+        overflow-wrap: anywhere;
+    }
+
+    pre.job-detail-invocation-call[class*="language-"] {
+        overflow: auto;
+        margin: 0;
+        border: 1px solid var(--sd-outline-variant);
+        border-radius: 2px;
+        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+        font-size: 13px;
+        line-height: 20px;
+        padding: 10px;
+        white-space: pre-wrap;
+        overflow-wrap: anywhere;
+    }
+
+    pre.job-detail-invocation-call[class*="language-"] > code[class*="language-"] {
+        display: block;
+        background: transparent;
+        font: inherit;
+        white-space: inherit;
+        overflow-wrap: inherit;
+    }
+
+    .job-detail-parameter-list {
+        display: flex;
+        min-width: 0;
+        flex-direction: column;
+        border-top: 1px solid var(--sd-outline-variant);
+    }
+
+    .job-detail-parameter {
+        min-width: 0;
+        border-bottom: 1px solid var(--sd-outline-variant);
+        padding: 10px 0;
+    }
+
+    .job-detail-parameter:last-child {
+        border-bottom: 0;
+        padding-bottom: 0;
+    }
+
+    .job-detail-parameter__header {
+        display: flex;
+        min-width: 0;
+        align-items: center;
+        gap: 8px;
+    }
+
+    .job-detail-parameter__header span,
+    .job-detail-parameter__header em {
+        flex: 0 0 auto;
+        color: var(--sd-on-surface-variant);
+        font-size: 12px;
+        font-style: normal;
+        line-height: 16px;
+    }
+
+    .job-detail-parameter__header strong {
+        overflow: hidden;
+        color: var(--sd-on-surface);
+        font-size: 13px;
+        line-height: 18px;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+    }
+
+    .job-detail-parameter pre {
+        overflow: auto;
+        max-height: 240px;
+        margin-top: 8px;
+        border: 1px solid var(--sd-outline-variant);
+        border-radius: 2px;
+        background: var(--sd-surface-container);
+        color: var(--sd-on-surface);
+        font-size: 12px;
+        line-height: 18px;
+        padding: 10px;
+        white-space: pre-wrap;
+        overflow-wrap: anywhere;
+    }
+
     .job-detail-operations {
         gap: var(--sd-page-margin);
     }
@@ -1335,17 +1493,23 @@
         .job-detail-timeline__time {
             text-align: left;
         }
+
+        .job-detail-invocation-summary {
+            grid-template-columns: 1fr;
+        }
     }
 </style>
 
 @code {
     private const int EventPageSize = 500;
 
     private readonly List<JobEvent> _events = [];
+    private ElementReference _invocationCodeElement;
     private JobInspectionDetail? _detail;
     private Guid? _loadedJobId;
     private string? _error;
     private string? _actionMessage;
+    private string? _highlightedInvocationCall;
     private JobDetailActionAlertKind _actionAlertKind;
     private bool _isLoading;
     private bool _isCancelRunning;
@@ -1418,6 +1582,7 @@
         this._loadedJobId = this.JobId;
         this._detail = null;
         this._events.Clear();
+        this._highlightedInvocationCall = null;
         this._error = null;
         this.ClearActionAlert();
         this._isCancelRunning = false;
@@ -1428,6 +1593,31 @@
         await this.LoadAsync();
     }
 
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        _ = firstRender;
+
+        if (this._detail?.Invocation is not { } invocation ||
+            string.Equals(this._highlightedInvocationCall, invocation.ReconstructedCall, StringComparison.Ordinal))
+        {
+            return;
+        }
+
+        try
+        {
+            await JsRuntime.InvokeVoidAsync(
+                "ShedduellerDashboard.highlightCode",
+                this._invocationCodeElement);
+            this._highlightedInvocationCall = invocation.ReconstructedCall;
+        }
+        catch (JSDisconnectedException)
+        {
+        }
+        catch (JSException)
+        {
+        }
+    }
+
     private protected override ValueTask DisposePageAsync()
     {
         LiveUpdates.JobEventPublished -= this.OnJobEventPublishedAsync;

diff --git a/src/Sheddueller.Dashboard/Internal/DashboardFormat.cs b/src/Sheddueller.Dashboard/Internal/DashboardFormat.cs
@@ -28,6 +28,26 @@ public static string FullHandler(JobInspectionSummary job)
     public static string ShortHandler(JobInspectionSummary job)
       => string.Concat(ShortTypeName(job.ServiceType), ".", job.MethodName);
 
+    public static string InvocationHandler(JobInvocationInspection invocation)
+      => string.Concat(ShortTypeName(invocation.ServiceType), ".", invocation.MethodName);
+
+    public static string InvocationBinding(JobInvocationParameterInspection parameter)
+      => parameter.Binding.Kind switch
+      {
+          JobMethodParameterBindingKind.Serialized => "serialized",
+          JobMethodParameterBindingKind.CancellationToken => "scheduler-owned",
+          JobMethodParameterBindingKind.JobContext => "Job.Context",
+          JobMethodParameterBindingKind.Service => string.Create(
+            CultureInfo.InvariantCulture,
+            $"Job.Resolve<{ShortTypeName(parameter.Binding.ServiceType ?? parameter.ParameterType)}>()"),
+          _ => parameter.Binding.Kind.ToString(),
+      };
+
+    public static string InvocationStatus(JobInvocationInspection invocation)
+      => invocation.SerializedArgumentsStatus == JobSerializedArgumentsInspectionStatus.Displayable
+        ? "Serialized arguments are displayable."
+        : FirstNonEmpty(invocation.SerializedArgumentsStatusMessage, invocation.SerializedArgumentsStatus.ToString());
+
     public static string Attempts(JobInspectionSummary job, bool compact = false)
       => compact
         ? string.Create(CultureInfo.InvariantCulture, $"{job.AttemptCount}/{job.MaxAttempts}")
@@ -292,7 +312,7 @@ public static string LogLevelClass(JobEvent jobEvent)
     public static string FirstNonEmpty(params string?[] values)
       => values.FirstOrDefault(static value => !string.IsNullOrWhiteSpace(value)) ?? string.Empty;
 
-    private static string ShortTypeName(string typeName)
+    public static string ShortTypeName(string typeName)
     {
         var typeDelimiterIndex = typeName.IndexOf(',', StringComparison.Ordinal);
         if (typeDelimiterIndex >= 0)

diff --git a/src/Sheddueller.Dashboard/Internal/DashboardJobEventListenerService.cs b/src/Sheddueller.Dashboard/Internal/DashboardJobEventListenerService.cs
@@ -1,15 +1,18 @@
 namespace Sheddueller.Dashboard.Internal;
 
 using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
 
 using Sheddueller.Runtime;
 
 internal sealed class DashboardJobEventListenerService(
-    IEnumerable<IShedduellerJobEventListener> listeners) : BackgroundService
+    IEnumerable<IShedduellerJobEventListener> listeners,
+    ILogger<DashboardJobEventListenerService> logger) : BackgroundService
 {
     protected override Task ExecuteAsync(CancellationToken stoppingToken)
     {
         var snapshot = listeners.ToArray();
+        logger.DashboardJobEventListenerServiceStarted(snapshot.Length);
         return snapshot.Length == 0
           ? Task.CompletedTask
           : Task.WhenAll(snapshot.Select(listener => listener.ListenAsync(stoppingToken)));