.Net: Demo/process-framework-signalr (#12374)

### Motivation and Context

This demo shows how to implement human-in-the-loop in Process Framework
with SignalR. It is based on the ProcessWithCloudEvents one, readapting
it to use SignalR.

### Contribution Checklist

<!-- Before submitting this PR, please make sure: -->

- [x] The code builds clean without any errors or warnings
- [x] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [x] All unit tests pass, and I have added new tests where possible
- [x] I didn't break anyone 😄

---------

Co-authored-by: Chris <[email protected]>
Co-authored-by: Chris Rickman <[email protected]>

Author: tommasodotNET

dotnet/Directory.Packages.props

@@ -9,6 +9,9 @@
     <PackageVersion Include="Aspire.Azure.Search.Documents" Version="9.3.1" />
     <PackageVersion Include="Aspire.Hosting.AppHost" Version="9.3.1" />
     <PackageVersion Include="Aspire.Hosting.Azure.CognitiveServices" Version="9.3.1" />
+    <PackageVersion Include="Aspire.Hosting.NodeJs" Version="9.3.1" />
+    <PackageVersion Include="CommunityToolkit.Aspire.Hosting.Dapr" Version="9.3.0" />
+    <PackageVersion Include="CommunityToolkit.Aspire.Hosting.NodeJS.Extensions" Version="9.3.0" />
     <PackageVersion Include="Aspire.Hosting.Azure.Search" Version="9.3.1" />
     <PackageVersion Include="AWSSDK.BedrockAgent" Version="4.0.4.1" />
     <PackageVersion Include="AWSSDK.BedrockAgentRuntime" Version="4.0.4.10" />
@@ -48,6 +51,15 @@
     <PackageVersion Include="Markdig" Version="0.40.0" />
     <PackageVersion Include="Microsoft.Agents.CopilotStudio.Client" Version="1.1.107-beta" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.13" />
+    <PackageVersion Include="Microsoft.AspNetCore.OpenApi" Version="8.0.14" />
+    <PackageVersion Include="Microsoft.Azure.Functions.Worker" Version="2.0.0" />
+    <PackageVersion Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.3.0" />
+    <PackageVersion Include="Microsoft.Azure.Functions.Worker.Extensions.Http.AspNetCore"
+      Version="2.0.0" />
+    <PackageVersion Include="Microsoft.Azure.Functions.Worker.Extensions.Storage.Queues"
+      Version="5.5.0" />
+    <PackageVersion Include="Microsoft.Azure.Functions.Worker.SDK" Version="2.0.0" />
+    <PackageVersion Include="Microsoft.Azure.Kusto.Data" Version="12.2.8" />
     <PackageVersion Include="Microsoft.Azure.WebJobs.Extensions.OpenApi" Version="1.5.1" />
     <PackageVersion Include="Microsoft.Azure.WebJobs.Extensions.Storage" Version="5.3.2" />
     <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.5" />
@@ -66,6 +78,7 @@
     <PackageVersion Include="Microsoft.SemanticKernel.Core" Version="1.58.0" />
     <PackageVersion Include="Microsoft.SemanticKernel.Planners.OpenAI" Version="1.47.0-preview" />
     <PackageVersion Include="Microsoft.VisualStudio.Threading" Version="17.12.19" />
+    <PackageVersion Include="Microsoft.AspNetCore.SignalR.Client" Version="9.0.3" />
     <PackageVersion Include="ModelContextProtocol" Version="0.3.0-preview.2" />
     <PackageVersion Include="MSTest.TestFramework" Version="3.8.0" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.3" />
@@ -106,7 +119,8 @@
     <PackageVersion Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.2" />
-    <PackageVersion Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.EnvironmentVariables"
+      Version="8.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.FileExtensions" Version="8.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.Json" Version="8.0.1" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.UserSecrets" Version="8.0.1" />
@@ -130,7 +144,7 @@
     <PackageVersion Include="Moq" Version="[4.18.4]" />
     <PackageVersion Include="FluentAssertions" Version="8.2.0" />
     <PackageVersion Include="System.Text.RegularExpressions" Version="4.3.1" />
-    <PackageVersion Include="System.Threading.Channels" Version="8.0.0" />
+    <PackageVersion Include="System.Threading.Channels" Version="9.0.3" />
     <PackageVersion Include="System.Threading.Tasks.Dataflow" Version="8.0.0" />
     <PackageVersion Include="xunit" Version="2.9.3" />
     <PackageVersion Include="xunit.abstractions" Version="2.0.3" />

dotnet/SK-dotnet.slnx

@@ -79,6 +79,12 @@
     <Project Path="samples/Demos/ProcessFrameworkWithAspire/ProcessFramework.Aspire/ProcessFramework.Aspire.SummaryAgent/ProcessFramework.Aspire.SummaryAgent.csproj" />
     <Project Path="samples/Demos/ProcessFrameworkWithAspire/ProcessFramework.Aspire/ProcessFramework.Aspire.TranslatorAgent/ProcessFramework.Aspire.TranslatorAgent.csproj" />
   </Folder>
+  <Folder Name="/samples/Demos/ProcessFrameworkWithSignalR/" />
+  <Folder Name="/samples/Demos/ProcessFrameworkWithSignalR/src/">
+    <Project Path="samples/Demos/ProcessFrameworkWithSignalR/src/ProcessFramework.Aspire.SignalR.AppHost/ProcessFramework.Aspire.SignalR.AppHost.csproj" />
+    <Project Path="samples/Demos/ProcessFrameworkWithSignalR/src/ProcessFramework.Aspire.SignalR.ProcessOrchestrator/ProcessFramework.Aspire.SignalR.ProcessOrchestrator.csproj" />
+    <Project Path="samples/Demos/ProcessFrameworkWithSignalR/src/ProcessFramework.Aspire.SignalR.ServiceDefaults/ProcessFramework.Aspire.SignalR.ServiceDefaults.csproj" />
+  </Folder>
   <Folder Name="/samples/Demos/ProcessWithCloudEvents/">
     <File Path="samples/Demos/ProcessWithCloudEvents/README.md" />
     <Project Path="samples/Demos/ProcessWithCloudEvents/ProcessWithCloudEvents.Grpc/ProcessWithCloudEvents.Grpc.csproj" />