chore(lint): enable unnecessary type parameter rule

extensions/matrix/src/onboarding.test-harness.ts

@@ -23,6 +23,7 @@ const previousMatrixEnv = Object.fromEntries(
   MATRIX_ENV_KEYS.map((key) => [key, process.env[key]]),
 ) as Record<(typeof MATRIX_ENV_KEYS)[number], string | undefined>;
 
+// oxlint-disable-next-line typescript/no-unnecessary-type-parameters -- Test helper lets callers ascribe plugin runtime shape.
 function createNonExitingTypedRuntimeEnv<TRuntime>(): TRuntime {
   return {
     log: vi.fn(),