Deterministic replay

Fix a blocked row. Revalidate it.

Edit three bounded fields, then replay the exact scenarios generated by the Python validators. The browser does not invent or execute validation rules.

fix_lab_rule_pack.v1rule pack ecf920212862…8 Python golden scenariossynthetic fixture only

1. Correct the mapping

The initial row has three independent blockers.

Placement A story asset cannot run in feed. Approval status Only an approved creative can clear offline QA. UTM campaign The UTM must match the mapped campaign key.

2. Inspect the result

Only the selected golden scenario is replayed.

blocked

Audit event preview

Boundary: this lab is a deterministic browser rehearsal over eight committed scenarios. It does not persist a patch, call a model, contact Meta or authorize a launch.

Raw rule pack JSON Open the 100-row workspace Inspect the generator