feat(ui): unify resource nav sidebars and polish project layouts

Extract application/database/service configuration sidebars and
unified headings; improve clone-to-environment, embedded deployments,
storage actions, OAuth icons, terminal, and shared form components.

tests/Feature/DatabaseBackupSelectionInputTest.php

@@ -0,0 +1,17 @@
+<?php
+
+it('uses a database list editor instead of a comma-separated text field', function () {
+    $view = file_get_contents(resource_path('views/livewire/project/database/backup-edit/general.blade.php'));
+
+    expect($view)
+        ->toContain('<div class="grid w-full gap-4">')
+        ->toContain("value: @entangle('databasesToBackup').live")
+        ->toContain('class="chip-input"')
+        ->toContain('class="chip font-mono"')
+        ->toContain('class="chip-remove"')
+        ->toContain('addDatabase()')
+        ->toContain('removeDatabase(index)')
+        ->toContain('Type a database and press Enter');
+
+    expect(substr_count($view, '<x-forms.input label="Databases to back up"'))->toBe(1);
+});