Create version summaries at more than one lengths

https://www.wfxg.com/online_features/press_releases/cory-maki-releases-ai-search-visibility-playbook-for-saas-founders/article_f246c2c4-1775-5022-9687-3b1db964b087.html

Create version summaries at more than one lengths, enabling reply engines to decide on proper snippets for completely different instructed contexts and gadget constraints.