Python: .Net: MEVD Preview 2 APR 2025 (microsoft#11028)

### Motivation and Context

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### Description

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### Contribution Checklist

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- [ ] The code builds clean without any errors or warnings
- [ ] 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
- [ ] All unit tests pass, and I have added new tests where possible
- [ ] I didn't break anyone 😄

---------

Signed-off-by: dependabot[bot] <[email protected]>
Signed-off-by: Vincent Biret <[email protected]>
Co-authored-by: Shay Rojansky <[email protected]>
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Co-authored-by: Chris <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tao Chen <[email protected]>
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Co-authored-by: Vincent Biret <[email protected]>
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Author: 46 people

dotnet/Directory.Packages.props

@@ -87,6 +87,7 @@
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
     <PackageVersion Include="System.Numerics.Tensors" Version="9.0.0" />
     <PackageVersion Include="System.Text.Json" Version="8.0.5" />
+    <PackageVersion Include="System.ValueTuple" Version="4.6.1" />
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.6.3" />
     <!-- Tokenizers -->
     <PackageVersion Include="Microsoft.ML.Tokenizers" Version="1.0.1" />

dotnet/SK-dotnet.sln

@@ -107,11 +107,14 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{958AD708-F04
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Diagnostics", "Diagnostics", "{29E7D971-1308-4171-9872-E8E4669A1134}"
 	ProjectSection(SolutionItems) = preProject
+		src\InternalUtilities\src\Diagnostics\ActivityExtensions.cs = src\InternalUtilities\src\Diagnostics\ActivityExtensions.cs
 		src\InternalUtilities\src\Diagnostics\CompilerServicesAttributes.cs = src\InternalUtilities\src\Diagnostics\CompilerServicesAttributes.cs
 		src\InternalUtilities\src\Diagnostics\DynamicallyAccessedMembersAttribute.cs = src\InternalUtilities\src\Diagnostics\DynamicallyAccessedMembersAttribute.cs
 		src\InternalUtilities\src\Diagnostics\ExceptionExtensions.cs = src\InternalUtilities\src\Diagnostics\ExceptionExtensions.cs
 		src\InternalUtilities\src\Diagnostics\ExperimentalAttribute.cs = src\InternalUtilities\src\Diagnostics\ExperimentalAttribute.cs
 		src\InternalUtilities\src\Diagnostics\IsExternalInit.cs = src\InternalUtilities\src\Diagnostics\IsExternalInit.cs
+		src\InternalUtilities\src\Diagnostics\KernelVerify.cs = src\InternalUtilities\src\Diagnostics\KernelVerify.cs
+		src\InternalUtilities\src\Diagnostics\LoggingExtensions.cs = src\InternalUtilities\src\Diagnostics\LoggingExtensions.cs
 		src\InternalUtilities\src\Diagnostics\NullableAttributes.cs = src\InternalUtilities\src\Diagnostics\NullableAttributes.cs
 		src\InternalUtilities\src\Diagnostics\RequiresDynamicCodeAttribute.cs = src\InternalUtilities\src\Diagnostics\RequiresDynamicCodeAttribute.cs
 		src\InternalUtilities\src\Diagnostics\RequiresUnreferencedCodeAttribute.cs = src\InternalUtilities\src\Diagnostics\RequiresUnreferencedCodeAttribute.cs
@@ -547,6 +550,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Runtime.InProcess", "src\Ag
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Runtime.InProcess.Tests", "src\Agents\Runtime\InProcess.Tests\Runtime.InProcess.Tests.csproj", "{DA6B4ED4-ED0B-D25C-889C-9F940E714891}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VectorData.UnitTests", "src\Connectors\VectorData.UnitTests\VectorData.UnitTests.csproj", "{AAC7B5E8-CC4E-49D0-AF6A-2B4F7B43BD84}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -1508,6 +1513,12 @@ Global
 		{DA6B4ED4-ED0B-D25C-889C-9F940E714891}.Publish|Any CPU.Build.0 = Release|Any CPU
 		{DA6B4ED4-ED0B-D25C-889C-9F940E714891}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{DA6B4ED4-ED0B-D25C-889C-9F940E714891}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AAC7B5E8-CC4E-49D0-AF6A-2B4F7B43BD84}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AAC7B5E8-CC4E-49D0-AF6A-2B4F7B43BD84}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AAC7B5E8-CC4E-49D0-AF6A-2B4F7B43BD84}.Publish|Any CPU.ActiveCfg = Debug|Any CPU
+		{AAC7B5E8-CC4E-49D0-AF6A-2B4F7B43BD84}.Publish|Any CPU.Build.0 = Debug|Any CPU
+		{AAC7B5E8-CC4E-49D0-AF6A-2B4F7B43BD84}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AAC7B5E8-CC4E-49D0-AF6A-2B4F7B43BD84}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -1713,6 +1724,7 @@ Global
 		{A4F05541-7D23-A5A9-033D-382F1E13D0FE} = {A70ED5A7-F8E1-4A57-9455-3C05989542DA}
 		{CCC909E4-5269-A31E-0BFD-4863B4B29BBB} = {A70ED5A7-F8E1-4A57-9455-3C05989542DA}
 		{DA6B4ED4-ED0B-D25C-889C-9F940E714891} = {A70ED5A7-F8E1-4A57-9455-3C05989542DA}
+		{AAC7B5E8-CC4E-49D0-AF6A-2B4F7B43BD84} = {5A7028A7-4DDF-4E4F-84A9-37CE8F8D7E89}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {FBDC56A3-86AD-4323-AA0F-201E59123B83}

dotnet/docs/EXPERIMENTS.md

@@ -25,6 +25,8 @@ You can use the following diagnostic IDs to ignore warnings or errors for a part
 | SKEXP0100 | Advanced Semantic Kernel features |
 | SKEXP0110 | Semantic Kernel Agents |
 | SKEXP0120 | Native-AOT |
+| MEVD9000 | Microsoft.Extensions.VectorData experimental user-facing APIs |
+| MEVD9001 | Microsoft.Extensions.VectorData experimental connector-facing APIs |
 
 ## Experimental Features Tracking
 

dotnet/samples/Concepts/Caching/SemanticCachingWithFilters.cs

@@ -199,8 +199,8 @@ public async Task OnPromptRenderAsync(PromptRenderContext context, Func<PromptRe
             await collection.CreateCollectionIfNotExistsAsync();
 
             // Search for similar prompts in cache.
-            var searchResults = await collection.VectorizedSearchAsync(promptEmbedding, new() { Top = 1 }, context.CancellationToken);
-            var searchResult = (await searchResults.Results.FirstOrDefaultAsync())?.Record;
+            var searchResult = (await collection.SearchEmbeddingAsync(promptEmbedding, top: 1, cancellationToken: context.CancellationToken)
+                .FirstOrDefaultAsync())?.Record;
 
             // If result exists, return it.
             if (searchResult is not null)

dotnet/samples/Concepts/Concepts.csproj

@@ -8,7 +8,7 @@
     <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>
     <!-- Suppress: "Declare types in namespaces", "Require ConfigureAwait", "Experimental" -->
-    <NoWarn>$(NoWarn);CS8618,IDE0009,IDE1006,CA1051,CA1050,CA1707,CA1054,CA2007,VSTHRD111,CS1591,RCS1110,RCS1243,CA5394,SKEXP0001,SKEXP0010,SKEXP0020,SKEXP0040,SKEXP0050,SKEXP0060,SKEXP0070,SKEXP0101,SKEXP0110,OPENAI001,CA1724</NoWarn>
+    <NoWarn>$(NoWarn);CS8618,IDE0009,IDE1006,CA1051,CA1050,CA1707,CA1054,CA2007,VSTHRD111,CS1591,RCS1110,RCS1243,CA5394,SKEXP0001,SKEXP0010,SKEXP0040,SKEXP0050,SKEXP0060,SKEXP0070,SKEXP0101,SKEXP0110,OPENAI001,CA1724,MEVD9000</NoWarn>
     <OutputType>Library</OutputType>
     <UserSecretsId>5ee045b0-aea3-4f08-8d31-32d1a6f8fed0</UserSecretsId>
   </PropertyGroup>

dotnet/samples/Concepts/Memory/HuggingFace_TextEmbeddingCustomHttpHandler.cs

@@ -15,6 +15,7 @@ namespace Memory;
 /// For example, the <a href="https://huggingface.co/cointegrated/LaBSE-en-ru">cointegrated/LaBSE-en-ru</a> model returns results as a 1 * 1 * 4 * 768 matrix, which is different from Hugging Face embedding generation service implementation.
 /// To address this, a custom <see cref="HttpClientHandler"/> can be used to modify the response before sending it back.
 /// </summary>
+[Obsolete("The IMemoryStore abstraction is being obsoleted")]
 public class HuggingFace_TextEmbeddingCustomHttpHandler(ITestOutputHelper output) : BaseTest(output)
 {
     public async Task RunInferenceApiEmbeddingCustomHttpHandlerAsync()