* Agents: allow gpt-5.3-codex-spark in fallback and thinking
* Fix: model picker issue for openai-codex/gpt-5.3-codex-spark
Fixed an issue in the model picker.
* Add GitHub Copilot models to xhigh list
* fix(thinking): add xhigh copilot tests and changelog (#11646) (thanks @seans-openclawbot)
---------
Co-authored-by: Sean Dai <sdai@gatech.edu>
Co-authored-by: Sebastian <19554889+sebslight@users.noreply.github.com>