How to Build an AI Fanfic Generator That Remembers Canon and Character Voice

Building an AI fanfic generator is not just a matter of sending a sentence to a language model and asking for a story. Fanfiction has a different failure mode from generic fiction. The output can be grammatically fine and still feel wrong because the character voice is off, the canon details are loose, or the ship dynamic does not match what the writer had in mind. If you want the tool to feel useful, you need to design for memory, constraints, and revision from the beginning. This article walks through one practical architecture for an AI fanfic generator that can remember canon, preserve cha