fix: scope base no-unused-vars rule to plain JS files - #31
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The base ESLint no-unused-vars rule doesn't understand TypeScript function-type-only signatures (e.g. `(this: any, config: any) => void`), so it was flagging their named parameters — including `this` — as unused in threshold-control.test.ts even though @typescript-eslint/no-unused-vars already covers real unused vars/args in .ts files. Restrict the base rule to **/*.js so it only applies where it's actually correct.
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The base ESLint no-unused-vars rule doesn't understand TypeScript function-type-only signatures (e.g.
(this: any, config: any) => void), so it was flagging their named parameters — includingthis— as unused in threshold-control.test.ts even though @typescript-eslint/no-unused-vars already covers real unused vars/args in .ts files. Restrict the base rule to **/*.js so it only applies where it's actually correct.