initial code expansion support

src/Microsoft.DotNet.Interactive.ApiCompatibility.Tests/ApiCompatibilityTests.Interactive_api_is_not_changed.approved.txt

@@ -654,6 +654,7 @@ Microsoft.DotNet.Interactive.Events
     public Microsoft.DotNet.Interactive.IKernelExtension KernelExtension { get;}
   public class KernelInfoProduced : KernelEvent
     .ctor(Microsoft.DotNet.Interactive.KernelInfo kernelInfo, Microsoft.DotNet.Interactive.Commands.KernelCommand command)
+    public System.String ConnectionShortcutCode { get; set;}
     public Microsoft.DotNet.Interactive.KernelInfo KernelInfo { get;}
   public class KernelReady : KernelEvent
     .ctor(Microsoft.DotNet.Interactive.KernelInfo[] kernelInfos)

src/Microsoft.DotNet.Interactive.ApiCompatibility.Tests/ApiCompatibilityTests.jupyter_api_is_not_changed.approved.txt

@@ -3,6 +3,12 @@ Microsoft.DotNet.Interactive.Jupyter
     .ctor(Microsoft.DotNet.Interactive.Kernel kernel, System.Reactive.Concurrency.IScheduler scheduler = null)
     public System.Threading.Tasks.Task Handle(JupyterRequestContext context)
     protected System.Void OnKernelEventReceived(Microsoft.DotNet.Interactive.Events.KernelEvent event, JupyterRequestContext context)
+  public class CondaEnvironment, IJupyterEnvironment
+    public static System.String CondaPath { get;}
+    public static System.Threading.Tasks.Task<System.Collections.Generic.IReadOnlyCollection<System.String>> GetEnvironmentNamesAsync()
+    public System.String Name { get; set;}
+    public System.Threading.Tasks.Task<Microsoft.DotNet.Interactive.Utility.CommandLineResult> ExecuteAsync(System.String command, System.String args, System.IO.DirectoryInfo workingDir = null, System.Nullable<System.TimeSpan> timeout = null)
+    public System.Diagnostics.Process StartProcess(System.String command, System.String args, System.IO.DirectoryInfo workingDir, System.Action<System.String> output = null, System.Action<System.String> error = null)
   public class ConnectionInformation
     public static ConnectionInformation Load(System.IO.FileInfo file)
     .ctor()

src/Microsoft.DotNet.Interactive.ApiCompatibility.Tests/ApiCompatibilityTests.powershell_api_is_not_changed.approved.txt

@@ -12,8 +12,8 @@ Microsoft.DotNet.Interactive.PowerShell
   public class SecretManager
     .ctor(PowerShellKernel kernel)
     public System.String VaultName { get;}
-    public System.Void SetSecret(System.String name, System.String value, System.String command = null, System.String source = null)
-    public System.Boolean TryGetSecret(System.String secretName, ref System.String& value)
+    public System.Void SetValue(System.String name, System.String value)
+    public System.Boolean TryGetValue(System.String name, ref System.String& value)
 Microsoft.DotNet.Interactive.PowerShell.Commands
   public class EnterAzShellCommand : System.Management.Automation.PSCmdlet
     .ctor()

src/Microsoft.DotNet.Interactive.CSharpProject.Tests/CSharpProjectKernelTests.cs

@@ -27,8 +27,6 @@ public class CSharpProjectKernelTests
 
     public CSharpProjectKernelTests(ITestOutputHelper output)
     {
-        CSharpProjectKernel.RegisterEventsAndCommands();
-
         _output = output;
         _disposables.Add(_output.SubscribeToPocketLogger());
     }

src/Microsoft.DotNet.Interactive.CSharpProject.Tests/Microsoft.DotNet.Interactive.CSharpProject.Tests.csproj

@@ -24,7 +24,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Compile Include="..\dotnet-interactive\Pocket\Format.CustomizeLogString.cs" Link="Pocket\Format.CustomizeLogString.cs" />
+    <Compile Include="..\dotnet-interactive\(Pocket)\Logger\Format.CustomizeLogString.cs" Link="Pocket\Format.CustomizeLogString.cs" />
     <Compile Include="..\Microsoft.DotNet.Interactive.CSharpProject\%28Recipes%29\AsyncLazy{T}.cs" Link="Utility\AsyncLazy{T}.cs" />
     <Compile Include="..\Microsoft.DotNet.Interactive.CSharpProject\(Recipes)\JsonSerializationExtensions.cs" />
   </ItemGroup>

src/Microsoft.DotNet.Interactive.Jupyter.Tests/Microsoft.DotNet.Interactive.Jupyter.Tests.csproj

@@ -24,7 +24,7 @@
 
   <ItemGroup>
     <Compile Include="..\dotnet-interactive\(Recipes)\TaskExtensions.cs" />
-    <Compile Include="..\dotnet-interactive\Pocket\Format.CustomizeLogString.cs" Link="Pocket\Format.CustomizeLogString.cs" />
+    <Compile Include="..\dotnet-interactive\(Pocket)\Logger\Format.CustomizeLogString.cs" Link="Pocket\Format.CustomizeLogString.cs" />
     <Compile Include="..\dotnet-interactive\Utility\KernelDiagnostics.cs" Link="KernelDiagnostics.cs" />
   </ItemGroup>
 

src/Microsoft.DotNet.Interactive.NetFramework.Tests/Microsoft.DotNet.Interactive.NetFramework.Tests.csproj

@@ -17,7 +17,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Compile Include="..\dotnet-interactive\Pocket\Format.CustomizeLogString.cs" Link="Pocket\Format.CustomizeLogString.cs" />
+    <Compile Include="..\dotnet-interactive\(Pocket)\Logger\Format.CustomizeLogString.cs" Link="Pocket\Format.CustomizeLogString.cs" />
     <Compile Include="..\Microsoft.DotNet.Interactive.Tests\ProxyKernelConnectionTestsBase.cs" Link="ProxyKernelConnectionTestsBase.cs" />
     <Compile Include="..\Microsoft.DotNet.Interactive.Tests\StdIoKernelConnectorTests.cs" Link="StdIoKernelConnectorTests.cs" />
     <Compile Include="..\Microsoft.DotNet.Interactive.Tests\Utility\ConnectHost.cs" Link="Utility\ConnectHost.cs" />

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.ConnectSignalR.json

@@ -0,0 +1,15 @@
+{
+  "token": "the-token",
+  "commandType": "ConnectSignalR",
+  "command": {
+    "hubUrl": "https://example.com/hub",
+    "kernelName": "dotnet-interactive",
+    "targetKernelName": null,
+    "originUri": null,
+    "destinationUri": null
+  },
+  "routingSlip": [
+    "kernel://somelocation/kernelName?tag=arrived",
+    "kernel://somelocation/kernelName"
+  ]
+}

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.ConnectStdio.json

@@ -0,0 +1,21 @@
+{
+  "token": "the-token",
+  "commandType": "ConnectStdio",
+  "command": {
+    "command": [
+      "dotnet-interactive",
+      "stdio",
+      "--default-kernel",
+      "fsharp"
+    ],
+    "kernelHost": null,
+    "kernelName": "dotnet-interactive",
+    "targetKernelName": null,
+    "originUri": null,
+    "destinationUri": null
+  },
+  "routingSlip": [
+    "kernel://somelocation/kernelName?tag=arrived",
+    "kernel://somelocation/kernelName"
+  ]
+}

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.ExpandCode.json

@@ -0,0 +1,14 @@
+{
+  "token": "the-token",
+  "commandType": "ExpandCode",
+  "command": {
+    "identifier": "#!sql-adventureworks",
+    "targetKernelName": null,
+    "originUri": null,
+    "destinationUri": null
+  },
+  "routingSlip": [
+    "kernel://somelocation/kernelName?tag=arrived",
+    "kernel://somelocation/kernelName"
+  ]
+}

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.RequestCodeExpansionInfos.json

@@ -0,0 +1,13 @@
+{
+  "token": "the-token",
+  "commandType": "RequestCodeExpansionInfos",
+  "command": {
+    "targetKernelName": null,
+    "originUri": null,
+    "destinationUri": null
+  },
+  "routingSlip": [
+    "kernel://somelocation/kernelName?tag=arrived",
+    "kernel://somelocation/kernelName"
+  ]
+}

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Event_contract_has_not_been_broken.approved.CodeExpansionInfosProduced.json

@@ -0,0 +1,33 @@
+{
+  "event": {
+    "codeExpansionInfos": [
+      {
+        "name": "Kusto Query Language",
+        "kind": "WellKnownConnection",
+        "description": null
+      },
+      {
+        "name": "Microsoft SQL Database",
+        "kind": "WellKnownConnection",
+        "description": null
+      }
+    ]
+  },
+  "eventType": "CodeExpansionInfosProduced",
+  "command": {
+    "token": "the-token",
+    "commandType": "RequestCodeExpansionInfos",
+    "command": {
+      "targetKernelName": null,
+      "originUri": null,
+      "destinationUri": null
+    },
+    "routingSlip": [
+      "kernel://somelocation/kernelName?tag=arrived",
+      "kernel://somelocation/kernelName"
+    ]
+  },
+  "routingSlip": [
+    "kernel://somelocation/kernelName"
+  ]
+}

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Event_contract_has_not_been_broken.approved.KernelInfoProduced.json

@@ -6,8 +6,8 @@
       ],
       "languageName": "JavaScript",
       "languageVersion": null,
-      "isProxy": false,
       "isComposite": false,
+      "isProxy": false,
       "displayName": "javascript - JavaScript",
       "localName": "javascript",
       "uri": "kernel://vscode/javascript",

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Event_contract_has_not_been_broken.approved.KernelReady.json

@@ -7,8 +7,8 @@
         ],
         "languageName": "JavaScript",
         "languageVersion": null,
-        "isProxy": false,
         "isComposite": false,
+        "isProxy": false,
         "displayName": "javascript - JavaScript",
         "localName": "javascript",
         "uri": "kernel://vscode/javascript",
@@ -26,8 +26,8 @@
         ],
         "languageName": "CSharp",
         "languageVersion": null,
-        "isProxy": false,
         "isComposite": false,
+        "isProxy": false,
         "displayName": "csharp - CSharp",
         "localName": "csharp",
         "uri": "kernel://pid/csharp",