* fix(#4656): expose coverage.unclassified and widen the zero-applicable guards
* fix(#4656): regenerate golden coverage fixtures and update the rollup pin
Emitted-Drift-Ack-Growth: spec-phase.md — #4656: guard widened to the all-unclassified case, doc claim corrected
Emitted-Drift-Ack-Growth: ui-phase.md — #4656: guard widened identically
* fix(#4656): sync edge-probe doc blocks and coverage pins with the new field
* fix(#4656): key the mandatory confirmation on the widened guard
* docs(#4656): backfill changeset PR number
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Co-authored-by: sim <sim@local>
3014775a3f