Steps to reproduce:
1. Create new Unity project using Universal 3D Template
2. In the Unity toolbar, click the “AI” button
3. Click “Agree and install Unity AI” and install AI Package
4. Observe the Console window after AI package is installed

Actual results: Errors are thrown in the Console window “Library/PackageCache/com.unity.ai.assistant@6ed6beda7ca9/Runtime/Utils/AssemblyUtils.cs(28,20): error UAC0005: AppDomain.GetAssemblies() in Unity may return already unloaded assemblies and result in errors or leaks. Use Unity APIs instead, such as 'CurrentAssemblies.GetLoadedAssemblies()' or 'TypeCache.GetTypesDerivedFrom()’.” and “Failed to find entry-points:
Mono.Cecil.AssemblyResolutionException: Failed to resolve assembly: 'Unity.AI.Sound, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' ---> System.Exception: Failed to resolve assembly 'Unity.AI.Sound, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' in directories: /Applications/Unity/Hub/Editor/6000.6.0a5/Unity.app/Contents/Resources/Scripting/MonoBleedingEdge/lib/mono/unityjit-macos”,
AI Package is not fully installed, unable to use AI Assistant and generate Assets

Expected results: No errors are thrown in the Console window, AI package is fully installed, user is able to use AI Assistant, generate Assets

Reproducible with versions: 2.7.0-pre.2 (6000.6.0a5 (e220e6931c38))

Not reproducible with versions:  2.7.0-pre.2 (6000.6.0a4 (77e2e2eea1be))

Tested on (OS): Windows 11, macOS Tahoe 26.4.1