Paste your config_json, edit profile and devices, merge in lights from a temp CLG, then copy the result back into Homey (device settings → Advanced → config_json).
Only simple time anchors are supported in this editor. Solar/lux anchors will be preserved if present in the source JSON but not editable here.
Paste the full JSON of another CLG. Devices not already in your list (matched by id) will be appended. Profile and outdoor settings are not changed.