Check the list of autostart apps.
Select "restricted activity" in app options for background activity
Deactivate all location services, including the Google emergency/disaster notifications.
Use 60hz,lower resolution and dark mode
Check out accubattery
Did logcat change your insight to the cause?
First install or twrp format,etc.
Sometimes it is just that much more fast to repeat the install, than the diagnosis
Assistent is the worst thing to have on the Google suite.
There are so many functions and options for Assistent to deactivate. When completed the service seems like a hidden spy master.
MIUI14 and HyperOS both have the Gwallet condition.
If you are prepared to go back, it will be a data reset. Try what stoped gallery crashes for the 13Pro of mine.
Twrp wipe then format install from usb drive.
Good charge discipline !
0% - 90% = 0.45 cycles
90%+ = 0.55 cycles
My 2 cent on Xiaomi batteries:
LiPo battery chemistry is a reliable chemical process.
Optimising charger and battery has pushed the charge cycle to the physical limit for performance.
it's a clever form of planed...
When stressed it is easier to get a basic mixed up.
You have two choices, update to HyperOS
Or
Update twrp to a more compatible version
So what do you want to do?
Updating to A14 is inevitable....