Play/pause demos in one consistent VHS look (Catppuccin Mocha · JetBrains Mono), synchronized by a Stop-hook sentinel.
Claude Code — scripted ▶ VHS tape, word-by-word typing. HTML5 video, inlined MP4. Claude Code — live/adaptive ▶ tmux session — asciinema-player, VHS look, SELECTABLE text. Codex CLI — live/adaptive ▶ Two-turn tmux session — asciinema-player, VHS look, SELECTABLE text.