It has everything to do with software architecture. You’re not seeing the bigger picture here. The architecture is that you have a common UI layer with apps acting as services that plug into it. This doesn’t have to be done via an app like WeChat, it could be provided as part of the OS itself. The advantage is that you can mix and match functionality from different apps trivially to create custom UX workflows, and this approach facilitates things like automation where you can make scripts to chain apps together the same way you can do with shell commands.
It has everything to do with software architecture. You’re not seeing the bigger picture here. The architecture is that you have a common UI layer with apps acting as services that plug into it. This doesn’t have to be done via an app like WeChat, it could be provided as part of the OS itself. The advantage is that you can mix and match functionality from different apps trivially to create custom UX workflows, and this approach facilitates things like automation where you can make scripts to chain apps together the same way you can do with shell commands.
You are literally describing an operating system environment
No, I’m describing application architecture that can be facilitated by the operating system environment.