What core rules do you set for AI coders to avoid basic multi-user bugs?
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Built a quick app using AI, and everything ran fine when i tested it alone.
The moment another person logged in, their edits started overwriting my work. Turns out the AI saved all user data into a single record because i didn't specify multi-user handling.
What simple guidelines do you always give AI before letting it write your app backend?
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Every private record needs an owner and every read or update needs a server side ownership check
Take the user identity from the session not the request body
Then test with two accounts trying to open and edit each others records