the Primacy Cockpit: Build Atrium That Keeps Humans Sovereign in Agentic Era: 2

Your dashboard tells you what your agents did. It cannot tell you what they are about to do.In 2026, agentic AI deployments scale faster than the surfaces that make them governable. Operators, auditors, board members, and family-office principals all keep asking the same question - "How do I see what the agents are doing?" - and existing dashboards answer it badly. The breath-gate is invisible. The constitutional surface is implicit. By the time something looks wrong, the agent has already done it.The Primacy Cockpit is the technical companion to Agentic AI Playbooks for Executives, focused on the UI surface where human primacy must be visible - every chapter grounded against a working open-source cockpit (the Atrium) that any reader can clone, open offline, and verify line by line.You will learn how to: - Design and ship a cockpit UI where human primacy is visible from every screen - not buried in a dashboard tab- Build the breath-gate that operators cannot miss, the receipt chain that auditors can verify, and the drift safeguard that catches constitutional divergence before the boundary shifts- Ship the verifiable-package export that maps cleanly to SOX 404, GDPR Article 30, and EU AI Act Articles 12 and 72 - turning the cockpit into a compliance instrument as much as an operational one- Implement the content-agnostic renderer (the api.js thin waist) that makes the cockpit replaceable, auditable, and federation-ready- Adopt the multi-mandate strip that structurally separates corporate, family-office, and civic mandates the same operator carries across the day- Build a cockpit your operators trust, your auditors verify, and your heirs continue to operate under This volume is for: operators, technical product leaders, and platform architects building or evaluating UI surfaces that must keep humans demonstrably in command of agentic systems. Whether you're a CFO who codes, a family-office CIO, or a platform engineer adopting an agentic-AI stack - this is the structural blueprint. Volume 2 of Building the Agentic Harness - the technical companion to Agentic AI Playbooks for Executives. Every claim grounded against the open-source Atrium mock (breathline-ui/atrium). Forward pointer to Volume 3, The Harness That Builds Itself - Under Human Witness - the governed dev loop deep dive.