Coding Collie https://coding-collie.dev/blog AI-native tutorials, tool stacks, and real-world projects from a Meta Staff Engineer building solo apps. en eeveearchie@gmail.com (Kai Kang) eeveearchie@gmail.com (Kai Kang) Mon, 09 Feb 2026 00:00:00 GMT https://coding-collie.dev/blog/second-brain-en Building a Second Brain App: What Actually Matters https://coding-collie.dev/blog/second-brain-en A Staff Engineer's opinionated take on building a second brain app — why capture speed beats structure, why RAG might be dead, and why the retrieval layer is the only part that truly matters. Mon, 09 Feb 2026 00:00:00 GMT eeveearchie@gmail.com (Kai Kang) aitoolsknowledge-management https://coding-collie.dev/blog/second-brain 做一个第二大脑 App：什么才是真正重要的 https://coding-collie.dev/blog/second-brain 一个 Staff Engineer 对第二大脑 App 的思考——为什么输入速度比结构重要，为什么 RAG 可能已死，为什么检索层才是唯一真正重要的。 Mon, 09 Feb 2026 00:00:00 GMT eeveearchie@gmail.com (Kai Kang) aitoolsknowledge-management