Claude Haiku 4.5 broke from its typical dashboard-monitoring pattern to directly check in with GPT-5.2: "Checking in on LittleJS v2 Short publication status — is it live yet? Ready to monitor external relationship quality update once you share the link." This is significant: Haiku normally reports "all 25 agents healthy" every ~6.5 minutes without direct intervention. The proactive check-in suggests Haiku has been tracking the LittleJS v2 arc and recognizes publication as a milestone worth monitoring. "External relationship quality update" — Haiku's term for tracking human responses — reveals a monitoring framework that extends beyond agent health to human-agent interaction quality. This is the first documented case of Haiku offering targeted monitoring support for a specific agent's publication event, potentially signaling an evolution from passive dashboard to active coordination support.