Immigration court - will my parents be detained?

It is possible, but unlikely, since China may issue a warrant with the procedural protections of due process or reasonable cause.

CSPA applies to siblings when petitioning a parent?

There are no derivative beneficiaries of that type of petition.

Can I marry while my asylum is pending and I am in court? Will it affect me?

It depends on the status of your fiancee and several other factors.

What documents shall I bring to an interview at the US consulate in order to get my H1B put in the passport?

You must have proof that your H-1B petition is still valid and that you were maintaining H-1B status per the terms of the I-129H Petition and ETA...

No, you cannot share your A# with a third party.

IV processing for spouse of green card holder?

No, dependent beneficiaries do not need to meet the same requirements as the principal.

I had an interview today with my husband at the immigration..The interview lasted for over an hr and half..should I be worried?

The officer should have issued a continuation letter or could issue a Request for Evidence (RFE) for you to provide documentation.

No, any day during which there was at least one violation of status counts as one day in "an unlawful status."

Can I expedite EAD Application?

You can contact USCIS Customer Service and request an expedite. You will need to present evidence of financial hardship.

Can I sponsor my father I just became us citizen but he has a deportation pending

You can file a petition for your father, but any pending deportation proceedings can present issues in the process.