Getting several apps in fullscreen in a row via Applescript - bash

Question

So I am writing a script that would set up my working environment by opening and then getting several apps in fullscreen via a single command line. I am having trouble with the "getting the apps in fullscreen" part, and the script execution is very confusing to me.
My hardware is a MacBook Pro (15-inch, 2017) running on macOS Catalina 10.15.7.
Here is the part of the script that behaves erraticaly when executed:
script1.scpt:
tell application "Sublime Text"
activate
tell application "System Events"
tell front window of (first process whose frontmost is true)
set value of attribute "AXFullScreen" to true
end tell
key code 123 using {control down}
end tell
end tell
When executed while the app (here, Sublime Text) is not in fullscreen via the command osascript script1.scpt, the app is activated and goes fullscreen, but key code 123 using {control down} does not work, without producing any error message or sound.
When executed while the app is already in fullscreen via the command osascript script1.scpt, the app is activated, stays in fullscreen as intended but I get this error message:
execution error: System Events got an error: Can't get window 1 of process 1 whose frontmost = true. Invalid index. (-1719)
Also, key code 123 using {control down} does not work either.
When executed via a shell script calling script1.scpt while the app is not in fullscreen, the app behaves exactly as in case 1.
When executed via a shell script calling script1.scpt while the app is already in fullscreen, the app behaves exactly as it should and everything seems fine. But if I lengthen the script to get 2 apps in fullscreen in a row as in script2.scpt (see below), the 2nd app does stricly nothing, and I get the error message of case 2 again.
script2.scpt:
tell application "Sublime Text"
activate
tell application "System Events"
tell front window of (first process whose frontmost is true)
set value of attribute "AXFullScreen" to true
end tell
key code 123 using {control down}
end tell
end tell
tell application "Skim"
activate
tell application "System Events"
tell front window of (first process whose frontmost is true)
set value of attribute "AXFullScreen" to true
end tell
key code 123 using {control down}
end tell
end tell
I have been spending hours trying to understand what is going on without success, so any help or clue would be very welcome.
The only way I found to get things working is to separate the code in separate steps with 0.5sec pauses in-between them, like in the following shell script code block. But I would like to find a faster and "cleaner" solution to my problem.
osascript -e "tell application \"Sublime Text\" to activate" ;
sleep 0.5 ;
osascript -e "tell application \"System Events\"" -e "tell front window of (first process whose frontmost is true)" -e "set value of attribute \"AXFullScreen\" to true" -e "end tell" -e "end tell" ;
sleep 0.5 ;
osascript -e "tell application \"Skim\" to activate" ;
sleep 0.5 ;
osascript -e "tell application \"System Events\"" -e "tell front window of (first process whose frontmost is true)" -e "set value of attribute \"AXFullScreen\" to true" -e "end tell" -e "end tell" ;
sleep 0.5 ;
osascript -e "tell application \"Finder\" to activate" ;
sleep 0.5 ;
osascript -e "tell application \"System Events\"" -e "tell front window of (first process whose frontmost is true)" -e "set value of attribute \"AXFullScreen\" to true" -e "end tell" -e "end tell" ;
sleep 0.5 ;
osascript -e "tell application \"Terminal\" to activate" ;
sleep 0.5 ;
osascript -e "tell application \"System Events\"" -e "tell front window of (first process whose frontmost is true)" -e "set value of attribute \"AXFullScreen\" to true" -e "end tell" -e "end tell"'
EDIT: For the moment being, I managed to get my script doing what I wanted it to do pretty reliably. Not completely satisfied though, because I still have to rely on fixed delays and this makes the execution a bit slow. This is what the code looks like:
in .bash_profile:
cd ~/<path>/ ;
osascript workspace_on.scpt
workspace_on.scpt:
tell app "System Events" to tell process "Terminal" to set the value of attribute "AXFullScreen" of window 1 to true
delay 0.6
tell app "Sublime Text" to activate
delay 0.6
tell app "System Events" to tell process "Sublime Text" to set the value of attribute "AXFullScreen" of window 1 to true
delay 0.6
do shell script "open -a skim ~/<path>/main.pdf"
delay 1
tell app "Skim" to set interaction mode of document 1 to full screen mode
delay 0.6
do shell script "open ~/<path>"
delay 1
tell app "System Events" to tell process "Finder" to set the value of attribute "AXFullScreen" of window "latex-template" to true

Answer 1

Just to copy-and-paste my most recent comment from above:
“Like you, I've spent a bit too much time figuring out this problem. It's quite a frustrating situation because I had a few light bulb moments of inspiration that, in theory, ought to have worked, and worked well, but ultimately didn't work at all. ¯_(ツ)_/¯ But in the process, I've at least written out a naive implementation that incorporates conditional checks and operates on each app one-by-one. It's not what I had aimed for in my head, but it works. See below.”
set Apps to {"TextEdit", "ManOpen", "Usenapp", "QuickTime Player"}
tell application id "com.apple.SystemEvents"
set dock to list 1 in the process named "Dock"
repeat with A in the Apps
tell my application named A to activate
set _P to (a reference to the process named A)
set _W to (a reference to _P's front window)
set _B to (a reference to the value of _W's ¬
attribute "AXFullScreenButton")
set _M to (a reference to (_P's menu bar 1's ¬
menu bar items's menu 1's menu items ¬
whose name = "Enter Full Screen"))
tell (a reference to (the dock's ¬
first UI element whose ¬
name = A)) to if ¬
exists then click
tell _W to repeat 60 times -- 60 x 0.5 = 30 seconds
delay 0.5
if it exists then
click _B
if (the value of attribute ¬
"AXFullScreen") ¬
then exit repeat
end if
end repeat
end repeat
end tell
System information:
AppleScript version: 2.8 system version: 12.6 ("Monterey")