3 ♠ - cuebid
The actual layout of the card, we can't use to anything.
We need to focus om the bidding.
If p have a maximum 2 ♥ with xx, AQxxx, xxx, xxx. 6 ♥ are nearly cold in 67%.
I never stand out of 4 ♥, with 4 ...
Double. The most flexible way to show your hand. Partner will not drive crazy in diamond, 2 reasons, I have passed first time, he have already had the opportunity to bid diamond in defense. If partner bid 2 or 3 diamond, next bid will be hearts, to show a 2 ...
I don't think we belong in 4♥, caurse no doble from P.
So just a slam invite with diamond => 4♦, is in place here.
P have something like 5 options here.
4♥ = cuebid, slam accept.
4♠ = cuebid, no cuebid in heart.
4 N = to play ...
First I don't know much about bidding in 2-1 systems, I can follow the basis term, and with what in mind.
Pass are losing bridge. You can be down in 3 NT, with 6 club in the cards.
We have denied 3 club, then we bid 3 diamond over ...
BTW. To bid hard slams, you need to find out how the hands works together. there4 you need to locate short suits "singletons and renonce" You need 23-24 all active HP, to bid a slam with a void well placed, and 27-28 with a singleton.
And start the bidding with ...