fix(sdk): add gpt-5.2-codex, gpt-5.3-codex, and gpt-5.2 to model-variant detection#2238

enyst merged 2 commits intomainOpenHands/software-agent-sdk:mainfrom

openhands/fix-gpt-5-codex-variant-detectionOpenHands/software-agent-sdk:openhands/fix-gpt-5-codex-variant-detectionCopy head branch name to clipboard