Announcing mattpocock/skills v1 - Achieved a 63% reduction in token cost for skill descriptions - Split skills into model-invocable and user-invocable skills, adding /codebase-design, /domain-modeling, and /grilling - (UPDATED) /writing-great-skills - rewritten from the ground up, encoding my skill-writing best practices - (UPDATED) /diagnose -> /diagnosing-bugs - now model-invocable, awesome for fixing hard bugs - (NEW) /ask-matt: a router skill that teaches you how all the engineering skills…