Self-Evolving Apps: Not Vibe, Live-Coding in Ruby with LLMs and Metaprogramming

Using AI to generate code for a new application is a familiar workflow today. But what if an application starts as a completely blank slate, learning on the job and writing its own implementation live as you call nonexistent methods? This concept of live-patching and zero-downtime execution isn't entirely new. Early in my career at Nortel Networks, I have seen this with PROTEL (PRocess Oriented TELepony language), a proprietary language designed for telecom switches. To achieve "five nines" (99