I'm going through the same situation, i actually renewed my Duldung and got a 6 months.
Check the humanitarian law 25abs section 5 from Aufenth. About being here in Germany with Duldung for 18 months and for good cause can get you a residence permit,
Also you need to know smth about getting visa
Need your partner won't be getting help SGB2 from job center, she should have some revenue. If you got granted the 6 months Duldung you have a right to search for a job under some circumstances ( priority orders for a job offering following : German then Europeans then other nationalities), must your employer to fill the Beschreibung Formular for the Arbeitsagentur and they will decide whether they give you a job or not! This is after getting yes from the company, it is sucks but need to get through! Keep in mind getting a visa would take some time if you are ok with it, i advice you to go for it ! Or apply the 25abs section 5. Best luck ! And Get a good lawyer !