Multiline copy truncates spaces between lines

[qwaz]

Describe the bug

Multiline drag selection & right click to copy truncates spaces around lines.

Affected version

GitHub Copilot CLI 1.0.57-4

Steps to reproduce the behavior

The example here is from a changelog, but the phenomenon appears in user prompt/agent responses too.

1. Prepare a multi-line text.

For example, /changelog last 10.

2. Drag and select multiline text, where the word

I'll select the sentence starting with "Context window tier..."

3. Right click to copy it

4. I get no spaces between "tier-dervied" and "limits"

• Context window tier selection now persists durably in session events and survives SDK-only resume paths so tier-derivedlimits are reapplied to request, compaction, and truncation logic without app-level repair

Expected behavior

Spaces are correctly preserved, so that copy-pasting keeps the original content

Additional context

No response

[qwaz]

I'm using Copilot CLI with Windows Terminal inside WSL (Ubuntu 26.04)