Rename AI Agent packages to use Microsoft.Agents.AI (#913)

* Rename AI Agent packages to use Microsoft.Agents.AI

* Fix for build

* Fix formatting

* Fix formatting

* Ignore in VSTHRD200 in migration samples

* Ignore in VSTHRD200 in migration samples

* Add some missing projects and run format

* Fix build errors

* Address code review feedback

* Fix merge issues

---------

Co-authored-by: Mark Wallace <markwallace@microsoft.com>

.github/workflows/dotnet-build-and-test.yml

@@ -92,7 +92,7 @@ jobs:
 
           # Change to project directory to ensure local nuget.config is used
           pushd consoleapp
-          dotnet add packcheck.csproj package Microsoft.Extensions.AI.Agents --prerelease
+          dotnet add packcheck.csproj package Microsoft.Agents.AI --prerelease
           dotnet build -f ${{ matrix.targetFramework }} -c ${{ matrix.configuration }} packcheck.csproj
 
           # Clean up

.github/workflows/dotnet-check-coverage.ps1

@@ -9,8 +9,8 @@ $coverageBelowThreshold = $false
 $nonExperimentalAssemblies = [System.Collections.Generic.HashSet[string]]::new()
 
 $assembliesCollection = @(
-    'Microsoft.Extensions.AI.Agents.Abstractions'
-    'Microsoft.Extensions.AI.Agents'
+    'Microsoft.Agents.AI.Abstractions'
+    'Microsoft.Agents.AI'
 )
 
 foreach ($assembly in $assembliesCollection) {