What is the legal evidence according to the Hanbalis that necessitates the declaration of the marriage proposal (ijab) to come from the woman's guardian, and that the husband's acceptance (qabul) is not permissible before the guardian's declaration? And does the marriage become null and void in the Hanbali madhhab if the acceptance precedes the proposal?

The relied-upon view in the Hanbali school is that the marriage is void if the acceptance precedes the offer. Their argument is that acceptance is only in response to an offer, so it must follow it. Some of them mentioned another narration stating its validity if it is expressed in the form of a command or the past tense, citing as evidence the hadith (definition) of the woman who offered herself to the Prophet, peace and blessings of Allah be upon him.