International AI summits now follow a recognizable arc: expanded participation, incremental institutional wins, a burst of positive sentiment, and a return to the same structural arguments once the cameras leave. Seoul sits squarely in that arc, and the communities most invested in governance progress have learned to distinguish genuine procedural advancement from the resolution of the arguments that actually matter. The AI Safety Institute network expanded; testing protocols moved forward; labs signed commitments they had not previously signed. For practitioners who have spent years building the case that multilateral coordination…