Vacate a mediation/ arbitration contract signed under duress has incorrect dates as well as discovery is false & other errors?

If the mediation agreement was drafted correctly, they are unlikely to be set aside.

How can I dismiss a frivolous Civil Suit before trial .

If the facts warrant file a motion for summary judgment. If it is properly drafted and there is no response, you may have the case dismissed.

Do you have to put first amended complaint the first time you amend a complaint you haven't served or just amended complaint?

Either is acceptable, Amended Complaint or FAC.

It might be if the terms are sufficiently spelled out.

Civil case, can I make, the other side to give me contact information for a former employee who was involved in the incident?

Yes they can be forced to provide the information. If there was a proper interrogatory, you can file s motion to compel if you do so timely, and...

As a plaintiff do I need to file a motion of summary

If you are referring to a motion for summary judgment, no, such a motion is not required.

Can I be there when the defendant gets served ?

Yes. You cannot serve but you can be there.

When does my cross-complaint get heard?

Both trials are generally held together unless bifurcated. The exhibit list and other requirements are all done together on both cases.

My ex fiancé attacked me I caught back and I was arrested, now that I am out of the abbisive relationship I want to file charges

You should consult with an experienced family law attorney

Any last minute advice for an in pro per defendant headed to trial next week?

Evaluate what witnesses and evidence can best show your defense to the judge and jury. Make sure you find out how to have evidence admitted.