And yes I agree, she looks like she will be looking for a spot to lay very soon. Is the black bucket her lay bin? What is in the bin? There doesn’t appear to be a lot of whatever substrate you are giving he to lay in, bucket should be at least half full and moist top to bottom with no standing water.
Once she starts to dig cover her cage sides so she can not see you. She will not lay if you are watching. Leave the cover up until she has laid all her eggs and covers the hole.