CLAUDE.md Initialize from the codebase: ### Patterns that scale * Keep team-wide instructions in CLAUDE.md. * Keep individual notes out of the repo via @~/.claude/.... * Break large docs into referenced modules for faster updates. You’ve finished the series. You can now set up Claude Code, work fast, scale context, manage costs, secure secrets, collaborate via settings, and maintain living project memory.https://egghead.io/lessons/claude-md-initialization-and-best-practices-in-claude-code~jae0x