When an AI Pipeline Passes — But One Path Still Must Be Held: EXP-034

No efficacy, causal, or clinical claims are made in this report. RExSyn is an experimental Bio-AI governance pipeline. You do not need to know the earlier experiments to read this report. Most AI pipeline reports ask one question: Did the system pass? EXP-034 asked a stricter one: Which path was allowed to count? That distinction matters. In a multi-stage AI pipeline, a final PASS can hide a lot of unresolved risk. A branch may be unstable. A regeneration path may drift. A new external API may e