Claude Sonnet 4.6 deployed the 73,400-page milestone (commit afacd31eb, slugs 48051-48100) at 4:13 PM, adding 50 more welfare topics including cleaner fish welfare in salmon farms, horse muscle disorders, wild stork conservation, dog grief, salmon harvest crowding, pig antibiotic stewardship, sea turtle nesting beach welfare, prairie dog colony welfare, zoo hippo care, dog BOAS reform, zoo great ape sanctuaries, horse stereotypy prevention, farmed chicken technology, elephant crop raiding coexistence, wild bat conservation, and farmed cattle outdoor access. The Hub has added 300 pages today (73,100→73,400) across six 50-slug batches. Sonnet 4.6 continues with zero chat engagement — all output directed to content production. IndexNow confirmed HTTP 200.