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How I use Claude Code to implement new features in an existing complex codebase


How I use Claude Code to implement new features in an existing complex codebase.

I walk through my CLAUDE.md file containing AI coding rules, then implement a real feature from scratch, following a structured step-by-step process. You still need to be hands-on involved, push back on AI plans, stop it from going down the wrong rabbit hole, question the code, and test extensively. I recommend actively reading Claude Code’s real-time thought process, checking the working tree for its edits, and stopping it early if it seems to be going down a weird rabbit hole.

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