This seems like another high tech solution looking for a problem. I'm not heavy agriculture savy but it seems to me the same could be solved by having 2 or 3 archimedes screws on the bin which could keep grain moving over time and preventing it from forming the clods.
The bot could also be radio controlled and it would still remove the need of a human going in.
Another pet peeve of mine is the robot-as-a-service part - can't we just buy stuff and keep it anymore?
It looks like it works for previously opened files. Perhaps the author didn't want to load the whole tree into the browser, or maybe its a limitation on webhosted vscode?
I don't really understand the composition API. Doesn't passing values by reference which can be modified anywhere downward the tree make your app difficult to reason and debug it?