update

README.md

@@ -16,6 +16,10 @@ interactive menu. Update availability is checked in the background and cached;
 updates are installed only when explicitly selected or requested with
 `tapm update`.
 
+Use `tapm V2` to switch an installed copy to the published V2 branch for
+testing, and `tapm main` to switch it back. The command refuses to switch when
+local changes, local-only commits, or diverged branch history would be at risk.
+
 The required iDSSYS Defaults repository is handled separately: it is
 automatically refreshed before launch when its last successful check is more
 than four hours old. If the remote is unavailable, the installed copy is used.
@@ -34,7 +38,7 @@ The menu script also supports these direct actions:
 ```text
 pulse        Install Pulse monitoring
 rmm          Install the ConnectWise RMM agent
-omsa         Install Dell OpenManage Server Administrator
+omsa         Install legacy Dell OMSA on supported PowerEdge x30/x40 hosts
 glances      Install Glances
 acronis      Install the Acronis agent
 post-install Run the ProxMenux post-install configuration
@@ -66,3 +70,15 @@ portal without changing ProxMenu.
 
 The Keepalived deployment additionally requires a healthy, quorate Proxmox
 cluster and passwordless root SSH between cluster nodes.
+
+The legacy Dell OMSA installer is limited to supported PowerEdge x30/x40
+systems running Proxmox VE 9 on Debian 13 (Trixie), amd64.
+
+CPU compatibility detection previews cluster-wide QEMU VM and template
+changes before applying the ProxCLMC recommendation through the Proxmox CLI.
+Running VMs are not restarted automatically.
+
+Maintenance evacuation leaves HA-managed guests under Proxmox HA control.
+Remaining shared-storage guests are routed to online, non-maintenance nodes
+with the required storage, while local-storage guests are gracefully shut
+down. HA node-affinity preferences are honored when an eligible node exists.