Description

The models github-copilot/gpt-5.2-codex and github-copilot/gpt-5.2 also support xhigh mode and should be added to the XHIGH_MODEL_REFS list.
Please refer to this issue that exists in other open source projects to indicate this reasoning mode is available in Github Copilot: anomalyco/opencode#9818

Location

File: src/auto-reply/thinking.ts

Suggested Change

Add "github-copilot/gpt-5.2-codex" and "github-copilot/gpt-5.2" to the XHIGH_MODEL_REFS array.

Current list: