fix(storage): split S3 endpoint input and persist stopped status

Persist exited status across application, database, service, and preview stop paths, and reuse the split host/port/path input for S3 endpoints with linked validation feedback.

tests/Feature/SplitUrlInputTest.php

@@ -0,0 +1,39 @@
+<?php
+
+use Illuminate\Support\Facades\Blade;
+use Illuminate\Support\Facades\View;
+use Illuminate\Support\MessageBag;
+use Illuminate\Support\ViewErrorBag;
+
+it('renders configurable host copy for S3 endpoints', function () {
+    View::share('errors', new ViewErrorBag);
+
+    $html = Blade::render(<<<'BLADE'
+        <x-forms.domain-input id="endpoint" :wire="false" value="http://192.168.1.50:9000/s3"
+            host-label="Host" host-placeholder="minio.internal or 192.168.1.50" />
+    BLADE);
+
+    expect($html)
+        ->toContain('Host')
+        ->toContain('minio.internal or 192.168.1.50')
+        ->toContain("scheme: 'https'")
+        ->toContain("host: ''")
+        ->toContain("port: ''")
+        ->toContain("path: ''");
+});
+
+it('keeps validation errors attached to the composed endpoint', function () {
+    $settingsUrl = route('settings.advanced').'#endpoint-section';
+    $errors = new ViewErrorBag;
+    $errors->put('default', new MessageBag([
+        'endpoint' => "The endpoint is invalid. Configure allowed internal targets: {$settingsUrl}",
+    ]));
+    View::share('errors', $errors);
+
+    $html = Blade::render('<x-forms.domain-input id="endpoint" :wire="false" />');
+
+    expect($html)
+        ->toContain('The endpoint is invalid.')
+        ->toContain('href="'.$settingsUrl.'"')
+        ->toContain('Set them here.');
+});