WIP - stateful prompting application

AI.Playground.slnx

@@ -4,6 +4,10 @@
     <Project Path="src\0-hello-world\AI.HelloWorld.PromptApi\AI.HelloWorld.PromptApi.csproj" Type="Classic C#" />
     <File Path="src\0-hello-world\README.md" />
   </Folder>
+  <Folder Name="/1-StatefulPrompts/">
+    <Project Path="src\1-stateful-prompts\AI.StatefulPrompts.Business\AI.StatefulPrompts.Business.csproj" Type="Classic C#" />
+    <Project Path="src\1-stateful-prompts\AI.StatefulPrompts.WebUI\AI.StatefulPrompts.WebUI.csproj" Type="Classic C#" />
+  </Folder>
   <Folder Name="/build/">
     <File Path="Directory.Build.props" />
     <File Path="Directory.Packages.props" />

Directory.Packages.props

@@ -3,6 +3,8 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup Label="Common">
+    <PackageVersion Include="Akka.Hosting" Version="1.5.40" />
+    <PackageVersion Include="Microsoft.Extensions.AI.Abstractions" Version="9.4.0-preview.1.25207.5" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="9.0.4" />
     <PackageVersion Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.11.1" />
     <PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.11.1" />

src/0-hello-world/AI.HelloWorld.PromptApi/Program.cs

@@ -1,7 +1,6 @@
 using AI.Telemetry;
 using Microsoft.Extensions.AI;
 using Microsoft.OpenApi.Models;
-using Swashbuckle.AspNetCore;
 
 var builder = WebApplication.CreateBuilder(args);
 

src/1-stateful-prompts/AI.StatefulPrompts.Business/AI.StatefulPrompts.Business.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Akka.Hosting" />
+      <PackageReference Include="Microsoft.Extensions.AI.Abstractions" />
+    </ItemGroup>
+
+</Project>

src/1-stateful-prompts/AI.StatefulPrompts.Business/PromptHistory.cs

@@ -0,0 +1,26 @@
+using System.Collections.Immutable;
+using Akka.Actor;
+using Microsoft.Extensions.AI;
+
+namespace AI.StatefulPrompts.Business;
+
+/// <summary>
+/// An immutable record that represents the history of a prompt.
+/// </summary>
+/// <param name="PromptTitle">The title, to be assigned later.</param>
+/// <param name="CreatedAt">Start of the prompt history.</param>
+/// <param name="Messages"></param>
+public sealed record PromptHistory(string PromptTitle, DateTimeOffset CreatedAt, ImmutableStack<ChatMessage> Messages)
+{
+    public DateTimeOffset LastUpdatedAt { get; } = DateTimeOffset.UtcNow;
+}
+
+public sealed class PromptHistoryActor : UntypedActor
+{
+    private IActorRef _signalRMessagingActor;
+
+    protected override void OnReceive(object message)
+    {
+        throw new NotImplementedException();
+    }
+}

src/1-stateful-prompts/AI.StatefulPrompts.WebUI/AI.StatefulPrompts.WebUI.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+    <PropertyGroup>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.AspNetCore.OpenApi"/>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\..\shared\Telemetry\Telemetry.csproj" />
+      <ProjectReference Include="..\AI.StatefulPrompts.Business\AI.StatefulPrompts.Business.csproj" />
+    </ItemGroup>
+
+</Project>

src/1-stateful-prompts/AI.StatefulPrompts.WebUI/AI.StatefulPrompts.WebUI.http

@@ -0,0 +1,6 @@
+@AI.StatefulPrompts.WebUI_HostAddress = http://localhost:5082
+
+GET {{AI.StatefulPrompts.WebUI_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

src/1-stateful-prompts/AI.StatefulPrompts.WebUI/Program.cs

@@ -0,0 +1,18 @@
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Services.AddOpenApi();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+
+app.UseHttpsRedirection();
+
+
+app.Run();

src/1-stateful-prompts/AI.StatefulPrompts.WebUI/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

src/1-stateful-prompts/AI.StatefulPrompts.WebUI/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}