Unity AI Assistant fails to maintain or restore its connection state when returning from system sleep

Steps to reproduce:

1. Create a new or open any project
2. Add the Unity AI Assistant package (In Package Manager, click the “+” symbol and select “Add package by name..”, then enter “com.unity.ai.assistant)
3. Use AI assistant and leave the Assistant editor window visible in the Editor
4. Put the computer to sleep with Unity running
5. After a minute, resume from sleep
6. Observe the Console window

Actual results: AI Assistant fails to reconnect and errors are shown
Expected results: AI Assistant reconnects and no errors appear

Reproducible with: 2.3.0-pre.2 (6000.3.12f1)

Reproducible on: macOS (M1) (by reporter)
Not reproducible on: macOS 26.4.1 (M3 Max)

Note: Not reproduced by CQA