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/ServerCreationBuildRoleLayoutTest.php

@@ -0,0 +1,22 @@
+<?php
+
+test('server creation keeps private key actions together and advanced options collapsed', function () {
+    $view = file_get_contents(resource_path('views/livewire/server/new/by-ip.blade.php'));
+
+    expect($view)
+        ->toContain('class="flex items-end gap-3"')
+        ->toContain('x-data="{ advancedOpen: false }"')
+        ->toContain('x-show="advancedOpen" x-cloak')
+        ->toContain('Advanced settings')
+        ->toContain('label="Use as a dedicated build server"')
+        ->toContain('helper="Build servers compile applications but do not host deployments. Enabling this makes the server build-only."');
+});
+
+test('server creation places the IP address and private key before optional details', function () {
+    $view = file_get_contents(resource_path('views/livewire/server/new/by-ip.blade.php'));
+
+    expect($view)
+        ->toContain('class="mb-5"')
+        ->and(strpos($view, 'id="ip"'))->toBeLessThan(strpos($view, 'id="private_key_id"'))
+        ->and(strpos($view, 'id="private_key_id"'))->toBeLessThan(strpos($view, 'id="name"'));
+});