Record passing terminal UX ISO acceptance and delivery artifacts

docs/install.md

@@ -1,7 +1,7 @@
 # Install Hydra OS
 
 Hydra OS targets x86_64 UEFI systems. Disable Secure Boot for this first image.
-Boot the ISO and open the recovery terminal. The live session uses a locked
+Boot the ISO and enter `:shell` in the terminal VM menu. The live session uses a locked
 `hydra-live` account with local sudo access; changes in the live filesystem are
 volatile. The image provides no default SSH login or universal installed password.
 
@@ -73,7 +73,13 @@ synthetic VM endpoint. Network namespaces and veth interfaces exist only inside
 the disposable Hydra OS guest. When guest KVM is available, it launches a further
 fresh-disk QEMU as the installed account to exercise KVM, the bridge helper,
 and private QMP; this checks VM launch, not a nested operating system boot.
-It also logs the installed account out and back in, checking that the same VM,
+The installed normal account also exercises the packaged terminal menu,
+downloads a complete nonboot ISO fixture from a private loopback HTTP server,
+starts a scratch VM with `hydra run`, checks cache reuse and stable process/QMP
+identity through `hydra open`, and verifies the default Fastfetch logo/name.
+This fixture checks the command flow, not a nested guest OS boot.
+
+The harness also logs the installed account out and back in, checking that the same VM,
 private sockets and user audio services survive a measured interval without an
 open login session. This establishes process/socket continuity, not audio playback.