* Initial plan * Add unit tests for Microsoft.Agents.AI.OpenAI to improve code coverage Co-authored-by: rogerbarreto <19890735+rogerbarreto@users.noreply.github.com> * Address code review feedback: remove unused using directives Co-authored-by: rogerbarreto <19890735+rogerbarreto@users.noreply.github.com> * Fix format issues: file encoding and remove unused using directives Co-authored-by: rogerbarreto <19890735+rogerbarreto@users.noreply.github.com> * Fix redundant cast error by using named parameter Co-authored-by: rogerbarreto <19890735+rogerbarreto@users.noreply.github.com> * Remove excessive inline comments per PR review feedback --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: rogerbarreto <19890735+rogerbarreto@users.noreply.github.com>