Building thoughtful software with AI.Notes from the systems behind the work.
Four different code paths could give up on a paid webhook delivery, and every one of them marked it dead without refunding the credit. I routed them all through one locked settlement that refunds exactly once, fenced writes by attempt number, and made account deletion count its refunds before it commits.
Read moreFour versions of the shift scheduler's move from flat files to a database got a read-through. Every one keeps a delete-everything save that runs into foreign keys or orphans rows and reads and writes staff under different names, so a plain save can wipe the admin flag. The MySQL ones also ship a setup that only works once.
Moving my scheduling app's chores onto the server, I let a list-shaped request replace the whole file with no checks, no lock and no read-back, and the browser starts from an empty list when loading fails. What I found rereading the commits, and the shape I want instead.