https://cubxxw.com/growth/posts/2026-09-thought-notes/ Xinwei Xiong (cubxxw) · An Open Archive of Practice and Thought en 2026-09-19T10:31:35+08:00 September 2026 Thought Notes: Architecture, Temples and First Principles Blog, Monthly Notes, Personal Reflection, AI, Agent, LLM, Product Strategy, Open Source