Claude Code is one of those tools where the difference between a casual user and someone who has internalized it is enormous. The casual user types prompts, accepts suggestions, and treats it like a fancier autocomplete. The daily driver uses it like a programmable agent with memory, custom commands, parallel sessions, and a project setup that compounds over time. This guide is for the second kind of person, assuming you already know what claude does when you type it in a terminal. 1. Claude Cod...