Legacy-Code on Flavien Jourdrenhttps://fjourdren.com/tags/legacy-code/Recent content in Legacy-Code on Flavien JourdrenHugo -- 0.160.1en-usSat, 08 Aug 2026 00:00:00 +0000How I Migrated an Untested Codebase with Loops and an AI Harnesshttps://fjourdren.com/posts/how-i-migrated-an-untested-codebase-with-an-ai-test-harness/Sat, 08 Aug 2026 00:00:00 +0000https://fjourdren.com/posts/how-i-migrated-an-untested-codebase-with-an-ai-test-harness/Migrating a Nuxt.js SaaS from Firebase to Supabase: 66 tables, 20 screens, no tests, no ORM. Estimated at 30 days, done in 5 with an AI harness and Chrome MCP.