One card is one segment spoken with one emotion, so users need to decide where segments start and end instead of relying only on punctuation splitting. - split mode: by sentence (default) or one card per line - merge a card with the next one (keeps this card's emotion); Latin words get a space, CJK text is joined directly - "+ add segment" appends an empty card with the previous card's emotion and focuses it - counts now read "segments" Verified: tests/audio_script_rules.mjs (line mode, joinSegments), jsdom walkthrough of merge/add/delete/line-mode re-parse/drag; not yet checked in a live ComfyUI session. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01W411Z69FC3em9CzpeqEub5