If you’ve worked on GenAI systems, you probably know POC Purgatory—that frustrating limbo where a flashy demo never matures into a production-grade product.As the O’Reilly piece on Evaluation-Driven Development reminds us, the fix was clear: test, evaluate, iterate. But as we move from simple LLM apps to autonomous AI agents, a new kind of purgatory is emerging.And this one isn’t about effectiveness.It’s about Agent security. The “Lethal Trifecta” of AI Agents As Korny Sietsma puts…