The AI Development Stack: Fundamentals Every Developer Should Actually Understand

Most developers are already using AI tools daily — Copilot, Claude, ChatGPT. But when it comes to building with AI, there's a gap. Not in tutorials or API docs, but in the foundational mental model of how these systems actually work and fit together. This is the stuff I wish someone had laid out clearly when I started building AI-powered features. Not the hype, not the theory — the practical fundamentals that change how you architect, debug, and think about AI systems. Language Mod...