update with use cases

Author: matthewlouisbrockman

docs/sandbox/auto-resume.mdx

@@ -3,7 +3,8 @@ title: "AutoResume"
 sidebarTitle: AutoResume
 ---
 
-`AutoResume` is configured through the `lifecycle` object when creating a sandbox.
+`AutoResume` builds on [sandbox persistence](/docs/sandbox/persistence): a sandbox pauses at timeout and is then resumed from that paused state.
+Configure `AutoResume` through the `lifecycle` object when creating a sandbox.
 
 ## Configure lifecycle on create
 
@@ -49,3 +50,11 @@ sandbox = Sandbox.create(
 - `onTimeout: "pause"` with `resumeOn: "any"` gives auto-pause with auto-resume.
 
 If you use `resumeOn: "off"`, resume explicitly with [`Sandbox.connect()`](/docs/sandbox/connect).
+
+## Use cases
+
+1. Running a web server
+Configure `lifecycle` with `onTimeout: "pause"` and `resumeOn: "any"` so the sandbox can resume when traffic hits your service again.
+
+2. Code execution workloads
+For agent/tool execution, use `resumeOn: "any"` so the sandbox can start back up automatically when the next command or code execution request arrives.