The 2023 React documentation launch exposed how often I had used effects for derived state and taught lifecycle-shaped habits after Hooks changed the model.
#maintainability
P6X4 ended 2022 with fewer deployables, calmer interfaces, and a smaller operational story—evidence of deliberate growth rather than reduced ambition.
P6X4's consolidation was not complete when traffic stopped; topics, consumers, dead letters, credentials, alerts, and recovery paths also had to disappear.
Repository history helped me question P6X4's service map, provided I treated change clusters as clues rather than an automatic architecture.
I audited P6X4's service map against change, scale, authority, recovery, and transaction boundaries—and found several boxes that existed only on the diagram.