Address reviewer feedback

- Link "Quickstart" to the quickstart page
- Fix wording: detachable sessions prevent hibernation, not survive it
- Fix URL domain: sprites.app not sprites.dev

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: kcmartin

src/content/docs/working-with-sprites.mdx

@@ -5,7 +5,7 @@ description: Beyond the basics—sessions, ports, persistence, and everything yo
 
 import { Callout } from '@/components/react';
 
-After you've made it through the Quickstart, you've got a working Sprite and a basic idea of how to use it. This guide picks up from there: how to run commands, manage sessions, keep processes alive, and make sure your environment stays consistent over time. The first half covers everything you need to build and deploy real stuff. The rest is there when you're ready to go deeper.
+After you've made it through the [Quickstart](/quickstart), you've got a working Sprite and a basic idea of how to use it. This guide picks up from there: how to run commands, manage sessions, keep processes alive, and make sure your environment stays consistent over time. The first half covers everything you need to build and deploy real stuff. The rest is there when you're ready to go deeper.
 
 ---
 
@@ -73,7 +73,7 @@ Wake-up is fast:
 - ~100–500ms for normal wakes
 - 1–2s on cold starts
 
-Use detachable sessions to keep things running across hibernation. You can reattach later and see all the output.
+Use detachable sessions to keep things running without hibernating. You can reattach later and see all the output.
 
 ```bash
 sprite exec -detachable "rails server"
@@ -91,7 +91,7 @@ If something's running, your Sprite stays awake. Otherwise, it sleeps. That incl
 
 ## Networking: URLs and Port Forwarding
 
-Every Sprite gets a URL: `https://<name>.sprites.dev`
+Every Sprite gets a URL: `https://<name>.sprites.app`
 
 ### HTTP Access