Javier Lougedo ยท Bloghttps://javierlougedo.com/blog/Notes on building software and teaching applied AI, with what went wrong.en How I review my classes with Claude Codehttps://javierlougedo.com/blog/class-prep-claude-code/https://javierlougedo.com/blog/class-prep-claude-code/Wed, 30 Sep 2026 00:00:00 GMTNine rules in a CLAUDE.md, four phases I sign off one at a time, a quality gate, and decks and notebooks built and checked by script. Two RAGs built to failhttps://javierlougedo.com/blog/teaching-rags-n8n/https://javierlougedo.com/blog/teaching-rags-n8n/Wed, 30 Sep 2026 00:00:00 GMTI built two RAGs in n8n so business students could watch them fail: planted traps, swappable models, a 35-run eval and the cost of each answer.