Mastering AI Agent Engineering: A Three-Dimensional Framework from Real-World Trenches Have you ever treated an AI coding assistant like Claude Code as a full-time work partner, only to find it “forgetting” your project context, multiple tasks colliding with each other, or decision quality quietly degrading over long conversations? These aren’t random glitches. They represent three fundamental challenges that anyone integrating AI deeply into their workflow will inevitably face. This article draws on six months of hands-on experience using Claude Code as an around-the-clock collaborator, mapping real-world failures to the three core dimensions identified by OpenAI, Cursor, and Anthropic in their …