Onit, sit down with a cup of tea, & breathe.
He is NOT going to take the DC from you, he is actually asking for a couple of days extra. which he is unlikely to get.
The WA call back is just a woman, like you & I, who can reassure you, it's no big deal. You think you need to be battered ? but you were battered psychologically, it's the absolute truth. see if they can send someone with youth the hearing ?
Thurs is fine for the solicitor, he has your background work, he knows the scenario, what he must do, is counter LCB with insinuations that he is suing the DC's pawns to continue his emotional abuse of you. No one is going to agree that even more hours in the car is beneficial to the Dcs
He already sees them quasi half the time. He left, he set up with his Popsy & made a new child in minutes, he wasn't worried about the effect this would have on his DC for a minute.
Sorry re councillor, msg her & see if she can fit you in asap.
remember panicking is going to solve anything, worrying about the "what ifs" is torturing yourself
unecessarily