Apple Reminders: Automation permission, not data permission
Why an AI can't add reminders even when it seems allowed, and the workaround.
how it works
kTCCServiceReminders data grant is necessary but not sufficient; AppleScript needs Automation (-1743); fallback is creating a VTODO over iCloud CalDAV.
Technique: A pattern or hard-won lesson, written down so it isn't learned twice.
The code for this one lives in a private repo. This page explains the idea so you can build your own.