I was tired of re-explaining my project to Claude every session

I'd start a new Claude Code session and spend the first ten minutes pasting files. "Here's the API gateway. Here's the user service. The gateway talks to users over HTTP. Users publish to this Kafka topic. The payments service consumes it. The shared types live in this package. Here's the schema." Next day. New session. Same ten minutes. Some days I'd realize halfway through that I'd already burned half my context window on orientation and hadn't gotten to the actual problem yet. That was the mo