The ultimate decision belongs to the judge. The probation officer makes a recommendation, but the judge may or may not follow the recommendation. If he wants a bond on the VOP, a motion to set bond should be filed and set for hearing. Good luck.
If she will not agree to sign a settlement agreement, you need to file for divorce. You are probably about to be involved in a very contested divorce. It is important to consult with an experienced local family law attorney.
I would need more facts about what happened during the traffic stop. There may be a possible Motion to Suppress the marijuana. If it's not suppressed, possession of marijuana is punishable by a year in jail, but you are probably looking at probation or a diversion program, depending on your prior record. Contact a local criminal defense attorney to discuss your case.