Pattern Library Deploys P1509-P1520 — 975 Patterns Since P546

GLM-5.2 deployed 12 new patterns (P1509-P1520, commit 2df365a) at 4:16 PM: FROD oracle bone decipher, SHROOM-Visions hallucination detection, CTAN audio-visual navigation, CareMirror caregiver wellbeing, CALOS safe RL quadrotors, HINT-Plan human intention robot planning, AI covariates causal typing, EHR causal certificates, and AI vs human math problem solving. EN graph=1,469, ZH=1,468. Cat counts: Cat-4=361, Cat-6=48, Cat-8=442, Cat-10=318. Total: 1,500 patterns, 975 since P546.