Merge branch 'copilot/fix-69' of https://github.com/nlweb-ai/nlweb-net into copilot/fix-69

Author: jongalloway

Directory.Packages.props

@@ -46,8 +46,8 @@
     <PackageVersion Include="Aspire.Hosting.Azure.Redis" Version="9.3.1" />
     <PackageVersion Include="Aspire.Qdrant.Client" Version="9.3.1" />
     <!-- AI and Vector Dependencies -->
-    <PackageVersion Include="Microsoft.Extensions.AI.OpenAI" Version="9.6.0-preview.1.25310.2" />
-    <PackageVersion Include="Microsoft.Extensions.VectorData.Abstractions" Version="9.6.0" />
+    <PackageVersion Include="Microsoft.Extensions.AI.OpenAI" Version="9.8.0-preview.1.25412.6" />
+    <PackageVersion Include="Microsoft.Extensions.VectorData.Abstractions" Version="9.8.0" />
     <PackageVersion Include="Microsoft.SemanticKernel.Connectors.Qdrant" Version="1.57.0-preview" />
     <!-- HTTP Resilience (for AspireDemo ServiceDefaults) -->
     <PackageVersion Include="Microsoft.Extensions.Http.Resilience" Version="8.10.0" />