.NET: Move TextSearchProvider and TextSearchProviderOptions to Microsoft.Agents.AI namespace (#2639)

* Initial plan

* Move TextSearchProvider and TextSearchProviderOptions to Microsoft.Agents.AI namespace

Co-authored-by: SergeyMenshykh <[email protected]>

* Restore AgentWithTextSearchRag project in solution file

Co-authored-by: SergeyMenshykh <[email protected]>

* Revert using statement removal in AgentWithRAG_Step01_BasicTextRAG sample

Co-authored-by: SergeyMenshykh <[email protected]>

* Revert the previous revert - remove using Microsoft.Agents.AI.Data from AgentWithRAG_Step01_BasicTextRAG

Co-authored-by: SergeyMenshykh <[email protected]>

* Revert using statement removal in AgentWithTextSearchRag sample

Co-authored-by: SergeyMenshykh <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: SergeyMenshykh <[email protected]>

Author: Copilot

dotnet/samples/GettingStarted/AgentWithRAG/AgentWithRAG_Step01_BasicTextRAG/Program.cs

@@ -8,7 +8,6 @@
 using Azure.AI.OpenAI;
 using Azure.Identity;
 using Microsoft.Agents.AI;
-using Microsoft.Agents.AI.Data;
 using Microsoft.Agents.AI.Samples;
 using Microsoft.Extensions.AI;
 using Microsoft.Extensions.VectorData;

dotnet/samples/GettingStarted/AgentWithRAG/AgentWithRAG_Step02_CustomVectorStoreRAG/Program.cs

@@ -7,7 +7,6 @@
 using Azure.AI.OpenAI;
 using Azure.Identity;
 using Microsoft.Agents.AI;
-using Microsoft.Agents.AI.Data;
 using Microsoft.Extensions.AI;
 using Microsoft.Extensions.VectorData;
 using Microsoft.SemanticKernel.Connectors.Qdrant;

dotnet/samples/GettingStarted/AgentWithRAG/AgentWithRAG_Step03_CustomRAGDataSource/Program.cs

@@ -9,7 +9,6 @@
 using Azure.AI.OpenAI;
 using Azure.Identity;
 using Microsoft.Agents.AI;
-using Microsoft.Agents.AI.Data;
 using Microsoft.Extensions.AI;
 using OpenAI;
 

dotnet/src/Microsoft.Agents.AI/AgentJsonUtilities.cs

@@ -4,7 +4,6 @@
 using System.Text.Encodings.Web;
 using System.Text.Json;
 using System.Text.Json.Serialization;
-using Microsoft.Agents.AI.Data;
 
 namespace Microsoft.Agents.AI;
 

dotnet/src/Microsoft.Agents.AI/Data/TextSearchProvider.cs renamed to dotnet/src/Microsoft.Agents.AI/TextSearchProvider.cs

@@ -11,7 +11,7 @@
 using Microsoft.Extensions.Logging;
 using Microsoft.Shared.Diagnostics;
 
-namespace Microsoft.Agents.AI.Data;
+namespace Microsoft.Agents.AI;
 
 /// <summary>
 /// A text search context provider that performs a search over external knowledge

dotnet/src/Microsoft.Agents.AI/Data/TextSearchProviderOptions.cs renamed to dotnet/src/Microsoft.Agents.AI/TextSearchProviderOptions.cs

@@ -4,7 +4,7 @@
 using System.Collections.Generic;
 using Microsoft.Extensions.AI;
 
-namespace Microsoft.Agents.AI.Data;
+namespace Microsoft.Agents.AI;
 
 /// <summary>
 /// Options controlling the behavior of <see cref="TextSearchProvider"/>.

dotnet/tests/Microsoft.Agents.AI.UnitTests/Data/TextSearchProviderTests.cs

@@ -6,7 +6,6 @@
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.Agents.AI.Data;
 using Microsoft.Extensions.AI;
 using Microsoft.Extensions.Logging;
 using Moq;