AI written code
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What it measures
Share of the lines of a file (by blame) whose last change came from a commit made with an AI coding assistant, detected by the assistant as author or co-author or by a generated footer. Inline completions leave no trace, so this is a lower bound.
How to read it
Height is lines of code. Red means most lines come from an AI assistant and no person has changed them since, white means the code was written or last changed by people.
low
highest value in project
Why it matters
AI written code is not a problem in itself, but nobody has written it by hand. Together with complexity and knowledge loss it shows where the team may not know its own code.