The One-File AI Workspace: How I Keep Context Across Sessions

Every morning I open a new AI chat and spend the first 10 minutes re-explaining my project. The architecture. The conventions. The decisions we already made yesterday. Sound familiar? I fixed this with a single markdown file. Here's the system. The Problem AI assistants have no memory between sessions. Every chat starts from zero. So you either: Re-explain everything (slow, error-prone) Paste a wall of context (expensive, noisy) Hope the AI figures it out (it won't) None of these scale. You need a reusable context artifact. The Solution: A Workspace File Create one file called AI_CONTEXT.md\ in your project root: # Project Context — [Project Name] ## What This Is [1-2 sentences: what the project does, who it's for] ## Tech Stack - Language: TypeScript - Framework: Next.js 14 (app router) - Database: PostgreSQL + Prisma - Auth: NextAuth v5 - Hosting: Vercel ## Architecture Decisions - Server components by default; client components only for interactivity - All data fetching in server co