Reflow the approved reference cases, shorten local fixture comments, and split the executable docs line so the 80-byte input buffer can read every source line.
Co-authored-by: andrew <andrew@aklabs.net>
Move every program and expectation out of tests/reference and register the unified tests/language corpus as local cases. Remove the old immutable-corpus protections from build, maintenance, and documentation paths.
Co-authored-by: andrew <andrew@aklabs.net>
