https://www.aibookeditor.com/post/why-traditional-grammar-checkers-miss-what-ai-book-editor-catches-at-the-sentence-level 2026-08-25 https://static.wixstatic.com/media/19077d_b5e616b5bff1410b84f440474caf19c5~mv2.webp AI Book Editor Critique mode with green highlights on a Wuthering Heights passage, side comments on repeated phrasing, sentence fragments, and long multi-clause sentences