fix(backups): validate S3 storage before backup scheduling

Prevent scheduled database backups from enabling S3 uploads without a valid team-owned storage configuration, and preserve the previous S3 storage ID in missing-storage error messages.

Add coverage for backup edit/create validation and S3 upload failure messaging.

app/Livewire/Project/Database/CreateScheduledBackup.php

@@ -3,6 +3,7 @@
 namespace App\Livewire\Project\Database;
 
 use App\Models\ScheduledDatabaseBackup;
+use App\Models\ServiceDatabase;
 use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
 use Illuminate\Support\Collection;
 use Livewire\Attributes\Locked;
@@ -48,6 +49,14 @@ class CreateScheduledBackup extends Component
 
             $this->validate();
 
+            if ($this->saveToS3) {
+                if (is_null($this->s3StorageId) || ! $this->definedS3s->contains('id', $this->s3StorageId)) {
+                    $this->dispatch('error', 'Please select a valid S3 storage to enable S3 backups.');
+
+                    return;
+                }
+            }
+
             $isValid = validate_cron_expression($this->frequency);
             if (! $isValid) {
                 $this->dispatch('error', 'Invalid Cron / Human expression.');
@@ -74,7 +83,7 @@ class CreateScheduledBackup extends Component
             }
 
             $databaseBackup = ScheduledDatabaseBackup::create($payload);
-            if ($this->database->getMorphClass() === \App\Models\ServiceDatabase::class) {
+            if ($this->database->getMorphClass() === ServiceDatabase::class) {
                 $this->dispatch('refreshScheduledBackups', $databaseBackup->id);
             } else {
                 $this->dispatch('refreshScheduledBackups');