Steps to reproduce:

1. Create a new Unity project using a 3D Universal Template
2. Click on the AI icon in the toolbar
3. Click "Agree and install Unity AI"
4. Observe the Console once installed

Actual results: "Assembly 'Packages/com.unity.ai.assistant/Plugins/CodeAnalysis/System.... is conflicting with an assembly shipped with Unity and will be ignored" warnings are shown

Expected results: No warnings are shown 

Reproducible with versions: 1.0.0-pre.12 (6000.5.0a2, 6000.5.0a4)

Not reproducible with versions: 1.0.0-pre.12 (6000.3.3f1, 6000.4.0b3, 6000.5.0a1)

Can’t test with versions: 6000.0.65f1 (AI Assistant not available)

Tested on (OS): Windows 11, macOS 26.1 (M1 Pro)

Notes:

• The warnings are clearable and do not occur after initial installation
• New project must be created each time for testing