Exit Code 0 Alone Does Not Confirm a Job Succeeded, New Framework Shows

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On July 14, 2026, Intent-OS shipped Phase-2 automation execution assurance, a system designed to distinguish between a process exiting cleanly and a process actually completing its intended work. The framework centers on a registry, a fail-closed status engine called assure.py, and a drill script that injects real failure scenarios against disposable targets. A job is only classified as healthy when an independent check confirms the expected output exists, not merely when the process returns exit code zero. The first-run scorecard logged 34 predicates with zero failures, covering cases such as a stuck heartbeat, a silent exit-zero with no output, and a watchdog failure. The project also patched a process-group hazard in the drill trap to prevent test runs from accidentally affecting systems beyond their intended scope.

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