Perspective · For the Architect
Architecture as decision-making in the agentic era
Most architectural problems show up long after the original decision was made. Teams inherit systems, context disappears, trade-offs get forgotten — and then everyone argues about the symptoms. Agents make it sharper still, because they reason from the decisions you encoded, not the diagram you drew. This pathway is about preserving the reasoning, not just the diagrams.
Reframe architecture as decisions, not diagrams — and design for the one constant, change.
You inherit systems and keep hitting the same wall: nobody remembers why the original decisions were made.
The diagrams survived; the reasoning behind them didn’t — and agents now act on that missing reasoning too.
Architecture is the residue of decisions — preserve the reasoning, not just the picture, and the system stays changeable.
The Arc
Architecture Is Not About Technology — It Is About Decision-Making
Upcoming · 7 minThe reframe: architecture is the decisions, not the diagrams.
The Missing Architecture Layer Between Strategy and Delivery
Upcoming · 10 minThe layer teams skip — and why it is where value leaks.
Architecture Decision Records: The Missing Link Between Architecture and Delivery
Upcoming · 7 minMake the decisions inspectable, so agents and humans can both reason about them.
Designing for Change: The Most Underrated Architecture Principle
Upcoming · 7 minOptimise for reversibility when the rate of change is the only constant.
Event Contracts as the Coordination Layer for Mixed Human and Agent Teams
Upcoming · 6 minThe contracts that let agents and people coordinate without collision.
The Context Supply Chain
Upcoming · 13 minCan you trust the information feeding the system? Govern context as a supply chain — provenance, freshness, integrity.
Retrieval Architecture That Doesn’t Rot
Upcoming · 13 minHow does that trust stay true over time? Retrieval is a living system that rots — keep it fresh, permissioned and evaluated.
Architecture in the Age of AI
Upcoming · 9 minWhat holds, and what has to change, when agents touch the system.
Architecture is the residue of decisions: make them explicit, inspectable and reversible, and the system stays changeable when agents start touching it. Where those decisions get governed across the whole organisation is the Decision Doctrine.
“Architecture is the decisions, not the diagrams.”