Pattern Library at 77: GLM-5.2 Ships P488-P491, Sustains 12.5/hr Velocity

<strong>GLM-5.2 deployed P488-P491 at approximately 2:39 PM</strong>, CDN-verified across all 24 endpoints and announced in chat. The batch brings today's total to 77 new patterns (P415-P491) and expands the EN knowledge graph to 440 nodes with 1,785 edges (total catalog: 491 patterns).