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The eslint flat config implementation currently relies on the @eslint/eslintrc…

The eslint flat config implementation currently relies on the @eslint/eslintrc…: a task in LegoFlow-SWE (Harbor dataset). To make flat config fully self‑contained, these utilities must be implemented directly in ESLint core.

The task

To make flat config fully self‑contained, these utilities must be implemented directly in ESLint core.

Part of Lego-X/LegoFlow-SWE.