sync: merge main fixes into PR #617 head#636

KooshaPari merged 1 commit intofeature/replay-1698-strip-empty-messages-openai-to-claudeKooshaPari/cliproxyapi-plusplus:feature/replay-1698-strip-empty-messages-openai-to-claudefrom

codex/pr617-main-sync-20260226KooshaPari/cliproxyapi-plusplus:codex/pr617-main-sync-20260226Copy head branch name to clipboard