Today’s pulse leans hard into reliability, security, and orchestration. OpenAI’s harness tweaks tripled ARC‑AGI‑3 scores, while Hugging Face dissected a real model intrusion and Perplexity shipped Numbat to police agent actions. Cloudflare moved origins to post‑quantum auth, DeepMind rolled out Lyria 3.5 for Flow Music, and an hours-scale Claude hiccup reminded everyone of agent fragility.