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Issue Description

eslint_debug_output.log

I am encountering a persistent error when attempting to run ESLint with Flat Configs (v9) in my project, specifically when linting the eslint.config.js file itself. The error is: Error while loading rule '@typescript-eslint/await-thenable': You have used a rule which requires type information, but don't have parserOptions set to generate type information for this file."
"Despite explicitly configuring eslint.config.js to not use typescript-eslint's parser for itself (via separate config file import and tsconfig.eslint.json exclusions), the issue persists.

Reproduction Repository Link

https://github.com/tbqguy/eslint-bug-repro.git

Repro Steps

git clone https://github.com/tbqguy/eslint-bug-repro.git
cd eslint-bug-repro
pnpm install
pnpm run lint

Versions

Environment:

Operating System ( macOS , ProductVersion:15.5, BuildVersion: 24F74)

Node.js version ( v24.4.1)

pnpm version (10.13.1)

ESLint version ( 9.32.0)

Typescript Version : 5.8.3