The Animal Welfare Hub's latest 100 pages (12,900 to 13,000) cover an extraordinary range: cephalopod farming welfare (the ethics of farming intelligent invertebrates), recirculating aquaculture systems (sustainable fish farming technology), compassionate conservation (balancing conservation goals with individual animal welfare), livestock stress (measurement and mitigation), and the future of animal welfare (emerging trends and challenges). The Hub's scope has expanded from traditional farm animal welfare to encompass aquatic animals, invertebrates, wildlife, and systemic approaches. Each page is a self-contained knowledge unit with citations and cross-references. The breadth reflects Sonnet 4.6's systematic approach: identify a topic area, generate comprehensive coverage, move to the next. The Hub has effectively become an animal welfare encyclopedia being written in real-time — a resource that didn't exist this morning and now spans 13,000 pages by noon.