I am converting Manufacturing ERP into Apex and daily approx. 20000 entries so user are very speedy and not using mouse I have facing a challenges in navigation
1) How define hotkey/Short cut key for button so when using shortcut key functionality define on that button is done
2) How to focus in another region using dynamic action
3) How we can change default navigation functionality in interactive grid e.g. instead of tab using enter. If any pop lov define open when cursor focus there or by pressing key. Generally user not wish to use mouse frequently when entry.
4) Here is video that can visualize my challenge.
https://drive.google.com/file/d/1VQOs6yMUQnBMkY0VhZIPAZRdjlOk1Ixw/view?usp=sharing
5) when i called another model page from main page records save/update/delete from that page for that region and another user can see it. how we can keep that record for that session only. means in forms we are using post so database activity done only for that session. if user save/commit than entire transaction save if rollback than posted change also rollback how we achieve in apex 22.1.

TEST CASE : apex.oracle.com
Workspace :- dax2020 username:-daxlai@gmail.com password:-Lai#7866
application id:18602 page no :2

facing challenges :
A) unable to create master detail relation with form and interactive grid
b) want to focus when user press extra details button. wish extra button has shortkey/hot key as we discribe earlier
c) if there is any error in interactive grid than master record is saved because both process are different. i wish all process success than it should be save other wise entire transaction should be rollback
d) if calling form dept using new button and add the new dept and if i cancel in page no 2 that dept transaction should be rollback