chore: add typed ESLint checks #18

Refs WealthLedger/main#18. Keep Biome; add no Prettier dependencies.

src/entities/bank-card/api/mutations.ts

@@ -13,6 +13,7 @@ async function mutationData<T>(
 	request: Promise<{ data?: T; error?: unknown }>,
 ) {
 	const { data, error } = await request;
+	// eslint-disable-next-line @typescript-eslint/only-throw-error -- Preserve generated ProblemDetails for apiErrorCode and field-error consumers.
 	if (error) throw error;
 	return data;
 }