Extracting contracts to abstractions library

Flowsharp.sln

@@ -17,6 +17,8 @@ ProjectSection(SolutionItems) = preProject
 	Nuget.Config = Nuget.Config
 EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Flowsharp.Abstractions", "src\Flowsharp.Abstractions\Flowsharp.Abstractions.csproj", "{3130C574-557C-4DA2-933E-AED7A9EBE48A}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -31,6 +33,10 @@ Global
 		{48EDB976-3227-4DFD-BBB3-3BC9AEA19A88}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{48EDB976-3227-4DFD-BBB3-3BC9AEA19A88}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{48EDB976-3227-4DFD-BBB3-3BC9AEA19A88}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3130C574-557C-4DA2-933E-AED7A9EBE48A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3130C574-557C-4DA2-933E-AED7A9EBE48A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3130C574-557C-4DA2-933E-AED7A9EBE48A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3130C574-557C-4DA2-933E-AED7A9EBE48A}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -41,5 +47,6 @@ Global
 	GlobalSection(NestedProjects) = preSolution
 		{300EE2D5-54C5-46F2-AD03-BB43589EA074} = {DA71CDAA-8DD3-4D5F-9FBD-8E4B37A2D925}
 		{48EDB976-3227-4DFD-BBB3-3BC9AEA19A88} = {DA71CDAA-8DD3-4D5F-9FBD-8E4B37A2D925}
+		{3130C574-557C-4DA2-933E-AED7A9EBE48A} = {DA71CDAA-8DD3-4D5F-9FBD-8E4B37A2D925}
 	EndGlobalSection
 EndGlobal

src/Flowsharp.Abstractions/Activities/IActivity.cs

@@ -1,4 +1,4 @@
-namespace Flowsharp.Models
+namespace Flowsharp.Activities
 {
     public interface IActivity
     {

src/Flowsharp.Abstractions/Flowsharp.Abstractions.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netstandard2.0</TargetFramework>
+        <RootNamespace>Flowsharp</RootNamespace>
+        <LangVersion>latest</LangVersion>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    </ItemGroup>
+
+</Project>

src/Flowsharp.Abstractions/Handlers/IActivityHandler.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Threading;
 using System.Threading.Tasks;
+using Flowsharp.Activities;
 using Flowsharp.Models;
 using Flowsharp.Results;
 

src/Flowsharp.Abstractions/IActivityInvoker.cs

@@ -1,9 +1,10 @@
 using System.Threading;
 using System.Threading.Tasks;
+using Flowsharp.Activities;
 using Flowsharp.Models;
 using Flowsharp.Results;
 
-namespace Flowsharp.Services
+namespace Flowsharp
 {
     public interface IActivityInvoker
     {

src/Flowsharp.Abstractions/IWorkflowInvoker.cs

@@ -3,7 +3,7 @@ using System.Threading.Tasks;
 using Flowsharp.Activities;
 using Flowsharp.Models;
 
-namespace Flowsharp.Services
+namespace Flowsharp
 {
     public interface IWorkflowInvoker
     {

src/Flowsharp.Abstractions/Results/ActivityExecutionResult.cs

@@ -2,7 +2,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Flowsharp.Models;
-using Flowsharp.Services;
 
 namespace Flowsharp.Results
 {

src/Flowsharp.Abstractions/Results/IActivityExecutionResult.cs

@@ -1,7 +1,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Flowsharp.Models;
-using Flowsharp.Services;
 
 namespace Flowsharp.Results
 {

src/Flowsharp.Abstractions/Serialization/Tokenizers/WorkflowTokenizationContext.cs

@@ -1,7 +1,7 @@
 using System.Collections.Generic;
-using Flowsharp.Models;
+using Flowsharp.Activities;
 
-namespace Flowsharp.Serialization
+namespace Flowsharp.Serialization.Tokenizers
 {
     public class WorkflowTokenizationContext
     {

src/Flowsharp.Core/Activities/Activity.cs

@@ -1,4 +1,5 @@
-using Newtonsoft.Json;
+using Flowsharp.Activities;
+using Newtonsoft.Json;
 
 namespace Flowsharp.Models
 {

src/Flowsharp.Core/ActivityInvoker.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using Flowsharp.Activities;
 using Flowsharp.Handlers;
 using Flowsharp.Models;
 using Flowsharp.Results;

src/Flowsharp.Core/Flowsharp.Core.csproj

@@ -18,4 +18,8 @@
     <PackageReference Include="YamlDotNet.NetStandard" Version="4.0.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\Flowsharp.Abstractions\Flowsharp.Abstractions.csproj" />
+  </ItemGroup>
+
 </Project>

src/Flowsharp.Core/Handlers/ActivityHandler.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Threading;
 using System.Threading.Tasks;
+using Flowsharp.Activities;
 using Flowsharp.Models;
 using Flowsharp.Results;
 

src/Flowsharp.Core/Serialization/Tokenizers/ActivityTokenizer.cs

@@ -1,3 +1,4 @@
+using Flowsharp.Activities;
 using Flowsharp.Models;
 using Flowsharp.Services;
 using Newtonsoft.Json.Linq;

src/Flowsharp.Core/Serialization/Tokenizers/WorkflowTokenizer.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
+using Flowsharp.Activities;
 using Flowsharp.Handlers;
 using Flowsharp.Models;
 using Flowsharp.Services;

src/Flowsharp.Core/WorkflowInvoker.cs

@@ -2,6 +2,7 @@
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using Flowsharp.Activities;
 using Flowsharp.Extensions;
 using Flowsharp.Models;
 using Flowsharp.Results;

src/Flowsharp.Samples.Console/Program.cs

@@ -24,7 +24,7 @@ namespace Flowsharp.Samples.Console
                 .AddSingleton<IWorkflowInvoker, WorkflowInvoker>()
                 .AddSingleton<IActivityInvoker, ActivityInvoker>()
                 .AddSingleton<IWorkflowSerializer, WorkflowSerializer>()
-                //.AddSingleton<ITokenFormatter, JsonTokenFormatter>()
+                .AddSingleton<ITokenFormatter, JsonTokenFormatter>()
                 .AddSingleton<ITokenFormatter, YamlTokenFormatter>()
                 .AddSingleton<IWorkflowTokenizer, WorkflowTokenizer>()
                 .AddSingleton<ITokenizerInvoker, TokenizerInvoker>()