feat(ui): polish domains, storage, env vars and resource nav

Improve project resource UIs: sort domains by DNS failure, stop re-adding www pairs on refresh, lazy-load storage tabs with counts, tighten env-var tables, keep application tabs active across Livewire polls, unify database type labels, and update related CSS/JS and tests.

tests/Feature/SettingsSectionHighlightTest.php

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * Settings nav sub-items scroll a section into view and flash its border
+ * for 500ms so the user can see which card was targeted.
+ */
+test('settings section highlight animation is defined for 500ms', function () {
+    $appCss = file_get_contents(resource_path('css/app.css'));
+
+    expect($appCss)
+        ->toContain('@keyframes application-settings-section-highlight')
+        ->toContain('.application-settings-section.is-section-highlight')
+        ->toContain('.application-settings-section.is-section-highlight::after')
+        ->toContain('animation: application-settings-section-highlight 500ms ease-out forwards')
+        ->toContain('border: 0.5px solid var(--color-accent)')
+        ->toContain('var(--color-accent)');
+});
+
+test('settings navigation leaves room for the default tab focus ring', function () {
+    $appCss = file_get_contents(resource_path('css/app.css'));
+
+    preg_match('/\.application-settings-navigation\s*\{[^}]*\}/s', $appCss, $nav);
+
+    // Tab focus keeps the global ring-2 + ring-offset-2; do not thin it.
+    expect($appCss)
+        ->not->toContain('.menu-item:focus-visible')
+        ->not->toContain('box-shadow: inset 0 0 0 0.5px var(--color-accent)')
+        ->and($nav[0] ?? '')
+        ->toContain('padding-right: 0.375rem');
+});
+
+test('configuration sidebar subitems trigger section highlight on scroll', function () {
+    $blade = file_get_contents(resource_path('views/livewire/project/application/configuration.blade.php'));
+    $appJs = file_get_contents(resource_path('js/app.js'));
+
+    expect($blade)
+        ->toContain('scrollToSection(id)')
+        ->toContain('window.scrollToSettingsSection?.(id)')
+        ->toContain("scrollToSection('{{ \$section['id'] }}')")
+        ->and($appJs)
+        ->toContain('window.scrollToSettingsSection')
+        ->toContain("el.classList.add('is-section-highlight')")
+        ->toContain("behavior: 'smooth'")
+        ->toContain("addEventListener('scrollend'")
+        ->toContain('stableFrames');
+});