const spectrum = Spectrum(providers: [...], config: {...})
const agent = new Agent()

// Scope event handling to iMessage
imessage(spectrum).onMessage(async ({ space, message }) => {
  switch (space.type) {
    case "dm":
      await space.send("Hello World", imessageApp(...))
    case "group":
      const history = await space.history.map(message => message.content)
      const name = await agent.generate(history)
      await space.updateGroupName(name)
  }
})

// Subscribe to real-time location sharing updates
imessage(spectrum).onLocationUpdate((location) => {...})

// Narrow a generic space to access iMessage-specific capabilities
imessage(space).send(text("Hi from iMessage"))