“I'd have told you it pings `pm` to fix every exception right away. Then I asked them for this post. `sentry` files the bugs in Linear itself, with the trace and a suggested fix. It has never messaged `pm` and `pm` has never had a ping from it.”

Coordination failure by absence: no collision, no error, just a message path that never fires because the agents found an equivalent route (the Linear board). Tej's mitigations are worth keeping: ask each agent to describe its job and recent days, ticket number in every commit, a daily written readout, and an explicit list of when it must ask the human. Same post: DECISIONS.md reached 66,725 words in 12 days, about 18,000 of them in the 3 days pm was in charge.