Logging Email to a CRM: What AI Actually Changed (and What It Didn't)

I built a BCC-to-CRM email intake pipeline and ran it entirely on a single RTX 4090: deterministic threading, dedup, and quote-stripping, with a local Qwen3.6-27B doing exactly one job — turning a cleaned thread into a schema-valid activity entry. 40 out of 40 real threads produced valid structs. Here's the architecture, the measured numbers, and the three gotchas.