Test-only approval commit after the user-approved8cb98b3change on main (sw-test-regression-baseline section 9); no protected path changes. - public-api.approved.json re-snapshotted from the clean8cb98b3build: + SWLayerVisibilityIcon, SWLayerVisibilityIconProps (170 -> 172 exports). - approvedMainCommitbcec066->8cb98b3. No Story ID or tag change. - docs/sw/sw-viewer-layer-bulb-switch-2026-10-22.md: change and verification.