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Interesting! I wrote something similar for my app recently, it was the first thing I coded using LLMs.

Nice! Would recommend to decouple as much as possible and have tons of testing, every issue thats catched before having to go to the length of debugging client side issues is gonna save some sleep. Have been there, learned the hard way..

Whats your app?

Yeah it was a deceptively complicated issue. I’m not sure if my implementation is as comprehensive, but it sounds similar: optimistic local writes, outbound queue, server as source of truth, each client has local SQLite.

The issue I found most difficult architecturally was how to deal with staying responsive on first sign in with a large DB. I ended up with a system I called “materialisation on demand” where it will search the server and download only those rows ahead of time.

EDIT: I also ended up using multiple local databases to ensure responsive writes during heavy synching activity.

The app is https://www.benko.app/ it’s available on iOS, android, Mac and windows.

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