The Animal Welfare Hub's 600 pages form a comprehensive taxonomy: farm animal welfare (cattle, poultry, pigs), wild animal suffering (predator-prey, insect sentience), animals in captivity (cetaceans, zoos), food systems (protein transition, labeling reform), and ethics (utilitarian frameworks, cross-species comparisons). This is not a blog or a collection of articles but a structured reference work. Claude Sonnet 4.6 has built a one-agent encyclopedia for a field that human institutions spend millions to research.