feat(backups): support scheduled backups for application storage targets

Add polymorphic volume backup scheduling for persistent volumes and directories, expose schedule management via API, and reorganize backup configuration and execution views.

tests/Feature/ExecutionViewStructureTest.php

@@ -0,0 +1,26 @@
+<?php
+
+it('uses the simplified database backup execution heading and spacing', function () {
+    $view = file_get_contents(resource_path('views/livewire/project/database/backup-executions.blade.php'));
+
+    expect($view)
+        ->toContain('<div class="flex flex-col gap-3 sm:flex-row sm:flex-wrap sm:items-center">')
+        ->toContain('<h2 class="py-0">Executions</h2>')
+        ->not->toContain('Executions <span')
+        ->toContain('class="flex flex-col gap-4 pt-2"');
+});
+
+it('renders scheduled task executions as selectable status cards with expandable logs', function () {
+    $view = file_get_contents(resource_path('views/livewire/project/shared/scheduled-task/executions.blade.php'));
+
+    expect($view)
+        ->toContain('<div class="flex flex-col gap-2" wire:poll.5000ms="refreshExecutions"')
+        ->toContain('<a wire:click="selectTask({{ data_get($execution, \'id\') }})"')
+        ->toContain('border-l-2 transition-colors p-4 cursor-pointer')
+        ->toContain("'success' => 'Success'")
+        ->toContain("'running' => 'In Progress'")
+        ->toContain("'failed' => 'Failed'")
+        ->toContain("data_get(\$execution, 'id') == \$selectedKey")
+        ->toContain('max-h-[600px] overflow-y-auto')
+        ->toContain('No executions found.');
+});