_nx_dupdef_live_probe.nx

RETIRED PROBE -- kept as documentation, deliberately made VALID so it cannot break a corpus build. On 2026-07-31 this file held two definitions of dup_live and was used to prove, on the NAS through the real /api/build path, that the duplicate-definition guard is LIVE in the shipped toolchain (debt 1785447657). The compiler answered: nx_parse: line 8: duplicate definition of 'dup_live' -- already defined at line 5 Before the guard, exactly this shape compiled into a clean working binary and let one body silently win, with no diagnostic. To re-prove it, duplicate the function below and build this target: BUILD-FAILED naming both lines is the expected, correct answer.