feat(server): auto-resolve Sentinel URL and polish setup UI

Ensure a Sentinel endpoint from instance FQDN/IP when enabling, use process dialogs for validation with install state, and tidy server create, boarding, metrics empty state, and log timestamps.

tests/Feature/Livewire/SentinelComponentTest.php

@@ -19,3 +19,20 @@ it('dispatches a server navbar refresh after toggling sentinel', function () {
     expect($matches['body'] ?? '')
         ->toContain("\$this->dispatch('refreshServerShow');");
 });
+
+it('only marks sentinel enabled after startup succeeds', function () {
+    $componentSource = file_get_contents(app_path('Livewire/Server/Sentinel.php'));
+
+    preg_match('/public function toggleSentinel\([^)]*\).*?\{(?<body>.*?)\n    \}/s', $componentSource, $matches);
+    $toggleBody = $matches['body'] ?? '';
+
+    expect(strpos($toggleBody, 'StartSentinel::run'))->toBeLessThan(
+        strpos($toggleBody, '$this->isSentinelEnabled = true;')
+    );
+});
+
+it('does not repeat a disabled status badge in the sentinel empty state', function () {
+    $view = file_get_contents(resource_path('views/livewire/server/sentinel.blade.php'));
+
+    expect($view)->not->toContain("? 'Disabled'");
+});