diff --git a/.env.example b/.env.example
index 73869d2..7df5690 100644
--- a/.env.example
+++ b/.env.example
@@ -1,4 +1,6 @@
 APP_NAME=HomeOS
+# Development defaults. For production set APP_ENV=production and APP_DEBUG=false
+# (otherwise exceptions are exposed and the demo household is seeded).
 APP_ENV=local
 APP_KEY=
 APP_DEBUG=true
diff --git a/README.md b/README.md
index cd88a8c..1e98bd1 100644
--- a/README.md
+++ b/README.md
@@ -22,8 +22,17 @@ Then open **http://localhost** and sign in with the seeded dev admin:
 
 - **admin@homeos.local** / **homeos-dev**  ← change this for anything but local dev.
 
-For production, set strong values in `.env` for `DB_PASSWORD`, the `REVERB_APP_*`
-keys and `HOMEOS_ADMIN_PASSWORD`, and run `php artisan key:generate`.
+### Production
+
+`.env.example` ships **development** defaults. For a real deployment you **must**:
+
+- set `APP_ENV=production` and `APP_DEBUG=false` (otherwise exceptions are exposed
+  and the demo household is seeded into your real database);
+- set strong values for `DB_PASSWORD`, the `REVERB_APP_*` keys and
+  `HOMEOS_ADMIN_PASSWORD` (seeding aborts if the admin password is unset outside
+  local/testing), and run `php artisan key:generate`.
+
+The demo seeder (`DemoHomeSeeder`) only runs in local/testing.
 
 ## Everyday commands (in-container, R8)
 
diff --git a/app/Services/HomeStatus.php b/app/Services/HomeStatus.php
index f9c4682..048b1f7 100644
--- a/app/Services/HomeStatus.php
+++ b/app/Services/HomeStatus.php
@@ -40,33 +40,35 @@ class HomeStatus
     /** @return array<int, array{level:string,icon:string,title:string,meta:?string,link:?string}> */
     public function warnings(Collection $devices): array
     {
-        $entities = $devices->flatMap->entities;
         $warnings = [];
 
-        foreach ($devices->reject->isOnline() as $device) {
-            $warnings[] = [
-                'level' => 'offline', 'icon' => 'devices',
-                'title' => $device->name, 'meta' => __('devices.offline'), 'link' => null,
-            ];
-        }
-
-        foreach ($entities as $entity) {
-            if ($entity->type === 'contact' && data_get($entity->state, 'state.open') === true) {
+        // Iterate devices (already loaded) → entities so we never lazy-load $entity->device (no N+1).
+        foreach ($devices as $device) {
+            if (! $device->isOnline()) {
                 $warnings[] = [
-                    'level' => 'warning', 'icon' => 'window',
-                    'title' => $entity->device->name, 'meta' => __('devices.open'), 'link' => null,
+                    'level' => 'offline', 'icon' => 'devices',
+                    'title' => $device->name, 'meta' => __('devices.offline'), 'link' => null,
                 ];
             }
 
-            if ($entity->type === 'battery') {
-                $percent = (int) data_get($entity->state, 'state.percent', 100);
-                if ($percent < self::LOW_BATTERY) {
+            foreach ($device->entities as $entity) {
+                if ($entity->type === 'contact' && data_get($entity->state, 'state.open') === true) {
                     $warnings[] = [
-                        'level' => 'warning', 'icon' => 'alert',
-                        'title' => $entity->device->name,
-                        'meta' => __('devices.battery').': '.$percent.'%', 'link' => null,
+                        'level' => 'warning', 'icon' => 'window',
+                        'title' => $device->name, 'meta' => __('devices.open'), 'link' => null,
                     ];
                 }
+
+                if ($entity->type === 'battery') {
+                    $percent = (int) data_get($entity->state, 'state.percent', 100);
+                    if ($percent < self::LOW_BATTERY) {
+                        $warnings[] = [
+                            'level' => 'warning', 'icon' => 'alert',
+                            'title' => $device->name,
+                            'meta' => __('devices.battery').': '.$percent.'%', 'link' => null,
+                        ];
+                    }
+                }
             }
         }