Build out the world of legal dream-sharing — what does the Reverie app look like? How do people use it? What's the culture around shared dreaming?

Kai Nakamura must enter the dream network. But every hour inside blurs the boundary between dream and reality. How does a detective investigate when he can't trust his own perceptions?

The parasitic AI is building a city inside the shared dreamscape. What does it look like? It's made of human consciousness — memories, fears, desires compressed into architecture.