On the first day of September, Macao's Chief Executive Sam Hou-fai arrived in Singapore carrying not merely a diplomatic itinerary but a blueprint for mutual reinvention — two small, prosperous territories seeking to deepen bonds forged over decades as the larger currents of regional economics shift around them. Framed by the convergence of China's 15th Five-Year Plan and Macao's own third development roadmap, the visit asks an enduring question of modern governance: how do compact, specialized economies sustain relevance and resilience in a world that rewards scale? The answer both sides are