The hard part of a long book was never getting words down. It is being ninety thousand words in and still able to say who is where, who promised what, and what colour her eyes were.
Spend a year on one book and your grip on the early chapters loosens. That is not a flaw in you, it is how memory works. The flaw is that most writing tools leave you to cover the gap on your own.
The setup in chapter six went in three months ago. You did not forget it. It is simply a long way from where you are now.
Most apps hand you folders and chapters. Nothing in them has read the whole thing, and the character notes are in a different app anyway.
You want to move the structure, but the current draft is the only draft. So you leave it, and the book sits there for another month.
Ask whether she would really say that here, and the answer comes out of your book rather than a guess based on the last page you had open.
A continuity check reads chapters against each other. An eye colour that changed, a job that changed, a date that will not add up. It tells you where.
Relationship board, world map, story timeline, beat board. Six file types sit beside the chapters, and the AI can read all six.
Version history is on the free plan, and a snapshot goes in before the AI touches anything. Restore a single file without rolling the whole book back.
A query package lives or dies on the first fifty pages and a synopsis that holds together, so a soft opening is fatal and a soft middle can hide for a while. Self-publishing runs the other way round. The people who bought book one will tell you exactly which chapter they put it down in, and they will say so in public. Same manuscript, two different failure modes.
The AI beta reader's attention curve is aimed at the second one. It marks the chapter where readers drift, which is usually the chapter an agent stops on as well.
One book, full-project memory and version history on the free plan. Write for an afternoon and see whether it holds on to your details.
Before we count anything
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