How can we clearly see token usage per Codex conversation/task, especially in Codex web?

I find this github repository and could be interesting, for this codex .sessions files

github.com

GitHub - Pratiyush/llm-wiki: LLM-powered knowledge base from your Claude Code,...

LLM-powered knowledge base from your Claude Code, Codex CLI, Copilot, Cursor & Gemini sessions. Karpathy's LLM Wiki pattern — implemented and shipped.