Every new Claude session started from zero. Here's how I fixed it. There's a specific kind of frustration that comes after you've been working with Claude Code for a few weeks. You open a new session. You start describing your project. The agent asks a clarifying question — and you realize it's the same question it asked in session three. You've explained this before. You've made this decision. You've already ruled out that approach, and you even remember why . But the agent doesn't. The context window closes. The session ends. Everything that wasn't written somewhere permanent evaporates. I hit this wall hard while working on a governance software product with interconnected decisions across infrastructure, product architecture, compliance scope, and research writing. Every session felt like onboarding a new contractor who needed to be caught up from scratch. I was spending 20% of every session on re-explanation. The fix wasn't a better prompt. It was a memory layer.…