The visa has nothing to do with how long her status will be. You did not state the first extension has been decided. That does have an impact on...

Unfortunately, that type of employment is not authorized for a H-4 dependent.

Unfortunately children in H-4 status cannot be employed.

Yes you can under US law but you need to confirm the law of Pakistan.

Your I-94 has nothing to do with your passport or green card other than your I-485. None of the issues you have raised depend on your I-94.

You need to consult with a Board Certified immigration attorney before you leave the US. We do not even know what offense was or the plea.

You need to consult with a Board Certified immigration attorney. It is unclear how you can obtain an EAD through a parent’s petition. There are...

You should use the date you file or any other date in the future. You should also discuss this with your husband’s immigration attorney who also...

Unfortunately you need to consult with a Board Certified immigration attorney. Your immigration/career future should not be left to a public blog....

It is doubtful any of this will impact anyone’s green card or naturalization. You should be fine.