Microsoft Graph API — What the Docs Don't Tell You About OneNote Rate Limiting

I've been building Note Bridge for a while now — a tool that migrates OneNote notebooks to Notion. Going in, I assumed the hardest part would be content conversion — correctly translating OneNote's complex HTML into Notion. Turns out, dealing with Microsoft's rate limiting ended up taking even more time. This isn't a "here is a backoff snippet, paste it in" post. The Graph API has enough edge cases that a generic retry loop won't save you — you eventually need to model the limit system, not jus...