Prologue: The Memory Bottleneck In the race for Artificial General Intelligence (AGI), Silicon Valley has traditionally been obsessed with compute —the sheer brute force of reasoning. But in Beijing, a rising star named Moonshot AI  identified a different, more human bottleneck: Memory. As founder Yang Zhilin famously posed: "If an AI cannot remember an entire book, how can it truly understand and reason about a complex world?" While competitors were busy building flashy avat