Expose Iris benchmark in Dev Updater

AGENTS.md

@@ -148,8 +148,12 @@ Module-by-module intent is in `docs/PLAN.md`'s "Backend layout".
     pans, flings or lays out a long list.
 - `.dev-updater.ron` — what Dev Updater builds here: the server (run as
   `service: Managed(…)`, supervised by Dev Updater's own implementation
-  rather than a script kept here) and the APK, in parallel. It points at
-  `resources.ron`, which is *ours* rather than Dev Updater's — it names
+  rather than a script kept here), the Compose app, the Rust/iris benchmark
+  APK, and the shell APK, in parallel. The iris benchmark is its own
+  `iris-bench` component rooted at `app-rust/`; its release mode is the arm64
+  phone build with the `transcript-screen bench` features. The file points at
+  `resources.ron`, which is *ours* rather than
+  Dev Updater's — it names
   `~/.local/share/ai-app` and `~/.config/ai-app` so the Uninstall dialog can
   offer them. Note what deleting the config directory takes with it: the CA
   under `certs`, which is the one-way door. **Stop** on the server card stops