feat(C-3): 旁白模型 A/B 比對工具 + 遷移提案（offline 前置，實跑＝本機開額度）#79

dofliu merged 1 commit into

maindofliu/eduStudio:mainfrom

claude/c-3-narration-ab-harnessdofliu/eduStudio:claude/c-3-narration-ab-harnessCopy head branch name to clipboard