BUG: Thinking trace disappears inside chat temporarily

[globalwebdev]

🏷️ Discussion Type

Bug

💬 Feature/Topic Area

Copilot Agent Mode

Body

When Opus 4.6 is reasoning for a really long time, I've seen multiple times where the thinking trace completely disappears from the chatbox, sometimes for 1min, sometimes longer. It's still running, and eventually re-appears. But it's a bad bug...

[github-actions[bot]]

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