AI Roundup: The Perimeter Moved—the machinery moved closer to whoever holds the risk, and credit moved further from whoever did the work. Gemini 4 Hydrogen is now the default brain of AI Mode, Anthropic’s agents move in-house, a 12,635-atom protein gets simulated quantum and classical together, and California’s feed law lands in court. chrisabraham.net/2026/11/a…