You need use GameSettings::instance().GAME_BOX. Take a look at the other FRLG programs. (https://github.com/PokemonAutomation/Arduino-Source/blob/main/SerialPrograms/Source/PokemonFRLG/Inference/Dialogs/PokemonFRLG_DialogDetector.cpp#L40)

GAME_BOX gives the location of the actual game screen within the entire screen. Then you want all the FRLG inference boxes to be relative to the game box instead of the entire screen.

The idea is that if the game box moves, we only change one setting and everything will work again.

If you want to convert your existing boxes (which are relative to the entire screen) to being relative to the game box, apply this operation:
(x - {0.09375, 0.00462963, 0, 0})/{0.8125, 0.962963, 0.8125, 0.962963}

So taking your first example:

x = {0.685, 0.055, 0.03, 0.075}
(x - {0.09375, 0.00462963, 0, 0})/{0.8125, 0.962963, 0.8125, 0.962963} =
{0.727692, 0.0523077, 0.0369231, 0.0778846}

Also, to derive box coordinates relative to the game box, Box Draw supports that now.

Set the "Content Box" to {0.8125, 0.962963, 0.8125, 0.962963} (which is the current coordinates of the FRLG game box). Then when you draw the box, it will give you coordinates relative to that.

I think I followed for the most part. Updated and ran a quick test that the save function still works.

I don't think I follow the need to change the 3rd and 4th parameters for the image box as these are height and width. If we are just moving the boxes if the game box moves, shouldn't the size of these boxes stay the same?

I bet we'll need more filters later. But we'll add them when we need to.

This works and I'll merge. But in the future, there's a simpler way to do this is to waterfill the entire range of arrows. If the arrow is found, it will come with its coordinates. Then you can calculate which slot it actually is in. So it's a lot cleaner than building N different watchers - one for each possible location.

Rather than using a bunch of seen flags, I'd do it this way:

while (true){
    if (too many attempts){
        // throw exception
    }

    //  mash B to back out to overworld.

    //  Press X and wait for start menu to show up
    if (start menu fails to show up){
        print error
        continue;
    }

    //  press + and wait for save dialog
    if (save dialog doesn't show up){
        print error
        continue;
    }

    //  repeat for every step...
}

Basically the moment anything unexpected happens, back out and try again. Don't bother with success flags that you need to jump over and such.

seen flag removed. I left in the save_confirmed flag as that loop needs to happen twice on any game that has a preexisting save.

All flags removed.