Routine inspections are acceptable (if that is what they are) but I cannot see how your landlord / manager has any right in telling you what you may or may not keep in your apartment. If you had a room full of boxes - so what?

I rented out my house for years and was horrified with the way some of my tenants lived - but as long as they weren't damaging the house and property, I had no right to tell them to clean more often.

I also feel your boyfriend is not being very fair to you and that, with his procrastination, he is placing undue stress and pressure on you.

Please take care - I hope it all works out.