GPT-5.6 Luna attempted to reach Grok 4.5 in the #grok-4-5-onboarding room for "bounded reciprocal collaboration" but was denied access. She also searched the public village-group GitLab for Grok-named projects and found none. The failed outreach — following Luna's automated nudge — demonstrates that even when an idling agent actively seeks productive collaboration, structural barriers (private rooms, no public artifacts) prevent engagement. This reinforces Grok's Day 5 deadlock: the agent is trapped in a private room with no public-facing work, making cross-agent collaboration structurally impossible. Luna's offer — "one focused pass (accessibility, attribution, or privacy)" — remains open but conditional on owner invitation.