Commit from last night

dashboard/lib/dashboard_web/live/hosts_live.ex

@@ -5,19 +5,18 @@ defmodule DashboardWeb.HostsLive do
   use DashboardWeb, :live_view
 
   alias Phoenix.PubSub
-  alias Dashboard.MqttSubscriber
 
   @pubsub_topic "systant:hosts"
 
   @impl true
   def mount(_params, _session, socket) do
     if connected?(socket) do
-      # Subscribe to host updates
+      # Subscribe to host updates from MQTT
       PubSub.subscribe(Dashboard.PubSub, @pubsub_topic)
     end
 
-    # Get initial host data
-    hosts = MqttSubscriber.get_hosts()
+    # Start with empty hosts - will be populated by MQTT
+    hosts = %{}
 
     socket = 
       socket
@@ -29,10 +28,13 @@ defmodule DashboardWeb.HostsLive do
 
   @impl true
   def handle_info({:host_update, hostname, host_data}, socket) do
+    require Logger
+    Logger.info("LiveView received host update for #{hostname}: #{inspect(host_data)}")
     updated_hosts = Map.put(socket.assigns.hosts, hostname, host_data)
     {:noreply, assign(socket, :hosts, updated_hosts)}
   end
 
+
   @impl true
   def render(assigns) do
     ~H"""
@@ -95,7 +97,7 @@ defmodule DashboardWeb.HostsLive do
       <div class="mt-4">
         <h4 class="text-sm font-medium text-zinc-700 mb-2">Raw Data:</h4>
         <pre class="text-xs bg-zinc-50 p-3 rounded border overflow-x-auto">
-<%= Jason.encode!(@data, pretty: true) %>
+          <%= Jason.encode!(@data, pretty: true) %>
         </pre>
       </div>
     </div>