- run_tests.ml: foreign-check-args binding now matches ListRef (from the list primitive) in addition to List - test-foreign.sx: replace #t with true in guard clauses — SX parser treats #t as a symbol, not a boolean 2800/2800 tests, zero failures. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>