This should not create a delay in interview scheduling.

Unclear why your application would be in court so best to discuss directly with your retained counsel

The names should be consistent with the passport.

Yes this is possible if your son aged out and CSPA doesn’t apply.

You have authorized stay to remain with a timely filed application until decision is made.

If the GC is issued after 2 years of marriage she will receive her 10 year GC.

No not if he properly disclosed you in the DS160.

This overstay does not impact your case even if the applicant was coming to visit you.

The online system does not always reflect current status.

Best to consult with an attorney in private to explore your options.