1. Its the same as in meat world. If you hack from AR you even use your meat world initiative score (and can switch between mundane and matrix actions at will).
2. Not 100% what you ask, but you can use matrix perception on a device to find out it's firewall rating. If it is higher than 2 then it is probably slaved to a master device or host.... Not sure, but I think you can also use matrix perception and use one hit for asking "is the device slaved" and after that another matrix perception test for "i am trying to spot the master that this icon is slaved to".
3a. The decker can walk with his team while at the same time his augmented reality persona is in the host (or out on the grid). He keep all the marks and his overwatch score will increase every 15 minutes until GOD find him. If the decker reboot his deck then he no longer have any marks and he no longer have an overwatch score. You don't need to be in VR to enter a host, you can do it from AR just fine.
3b. The decker have a direct connection to all slaved devices if he is
1) in side the host that the slaved device is slaved to
2) have a physical wire between the device and his cyberdeck
Having a physical wire beteween a device and his cyberdeck does not mean he automatically have a direct connection to other slaved devices, but if he place a mark on a slaved device you also get a mark on the master (no matter if you used a direct connection or not). with a mark on a host you can enter it and from there have a direct connection to all slaved devices (ignoring host ratings when hacking them).
when inside a host you cannot hack devices out on the grid that is not slaved to the host.
you first need to exit the host.
When you are outside a host you can hack any device out on the grid, but devices slaved to a host will defend with host ratings.
a host can have devices from multiple buildings slaved to it.
just because you are in a different building does not mean there have to be another host.
it can be the same.
devices in the same building does not have to be slaved to the same host.
just because your are in the same building does not mean all devices are slaved to the same host.
it can be different hosts.
however,
a security rigger will only be directly connected to the devices slaved to the host.
if there are devices slaved to another host or not slaved to the host then he will not have a direct connection to them.
(and the security rigger might be miles away from the actual facility he is protecting...)
4. whatever GM decide.
It can look like a jungle.
It can look like an underwater reef.
It can look like an office building...
5. yes (and what Top Dog said).
6. most communication is done over the matrix. the decker need one mark on the device and then use the snoop action to view all communications from and to that device. the decker can use send message to retransmit the information to others in the team.
7. if you mark and snoop a commlink (or rather the persona formed on a commlink) and it make a call you can use matrix perception to find the destination icon of the call (Uses Of Snoop, red box on p. 242). But it is hard (and a bit dangerous to your overwatch score) to mark and snoop them all..............
depending on your reading you might also be allowed to place a mark direclty on the KE host and then snoop
all incomming and outgoing phonecalls and video feeds etc. at once
