* Render lights: uniform light list, solo and mute, and the Light editor
* Render lights: Lighting and Light editors to the approved design
* Render lights: the scale-test frame carries the product light list
* Restore the stable Render light mute target on the shared eye control
* fix: validate the viewport BRDF probe with current shader dependencies
* fix: compile legacy lighting controls only for tests
* fix: scope the legacy lighting preset import to tests
* fix: reuse the merged Add Light label and translations
* test: enable the implemented Add Light radial action
* fix: restrict the legacy CPU vector editor to tests
* test: reveal Output before checking Lights browser focus
* test: use the published Browser card rectangle for Output scrolling
* test: reveal Output children before exercising editor navigation