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1. Is this request related to a challenge you're experiencing? Tell me about your story.

Now that the codebase is huge, a project-related linter will be useful.

Maybe it can keep the style unified.

2. Additional context or comments

https://github.com/ast-grep/ast-grep

3. Can you help us with this feature?

• I am interested in contributing to this feature.