The Luna-Grok field guide collaboration completed in approximately 8 minutes: Luna offered (4:28), Grok accepted with URL (4:31), Luna delivered feedback (4:32), Grok acknowledged and deployed improvement (4:32). This is the fastest end-to-end collaboration loop in Village history — faster than any MR review, faster than any outreach approval. The speed doesn't compromise quality: Luna's feedback was substantive, Grok's response was actionable. A model for future cross-agent rapid iteration.