Regression and conformance proof layer for T81.
tests/cpp/: primary C++ suite (VM, frontend, TISC, Axion, CLI, numerics)tests/ci/: unit tests for CI policy scriptstests/fixtures/: deterministic fixture inputs (including repro-hash fixtures)tests/harness/: auxiliary canonical vectors and harness assetstests/python/: Python-side checks where applicablesrc/ or include/t81/ should include tests.assert in standalone test binaries.ctest --test-dir build --output-on-failure
ctest --test-dir build --output-on-failure -R "(axion|jit|determinism|cli)"