Notify transfer owners when files enter grace period.

Send grace-entered and countdown emails to owners alongside recipient grace milestones so unpaid transfers get clear wallet top-up reminders before deletion.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/Feature/TransferBillingTest.php

@@ -4,9 +4,11 @@ namespace Tests\Feature;
 
 use App\Models\Transfer;
 use App\Models\User;
+use App\Notifications\TransferOwnerGraceNotification;
 use App\Services\Transfer\TransferBillingService;
 use Illuminate\Foundation\Testing\RefreshDatabase;
 use Illuminate\Support\Facades\Http;
+use Illuminate\Support\Facades\Notification;
 use Illuminate\Support\Str;
 use Tests\Concerns\FakesTransferBilling;
 use Tests\TestCase;
@@ -18,6 +20,8 @@ class TransferBillingTest extends TestCase
 
     public function test_failed_renewal_enters_grace_period(): void
     {
+        Notification::fake();
+
         $user = User::create([
             'public_id' => (string) Str::uuid(),
             'name' => 'Grace User',
@@ -46,6 +50,8 @@ class TransferBillingTest extends TestCase
         $this->assertNotNull($transfer->grace_ends_at);
         $this->assertTrue($transfer->grace_ends_at->isFuture());
         $this->assertTrue($transfer->isAccessible());
+
+        Notification::assertSentTo($user, TransferOwnerGraceNotification::class);
     }
 
     public function test_transfer_past_grace_period_is_deleted(): void

tests/Feature/TransferOwnerGraceMailTest.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Transfer;
+use App\Models\User;
+use App\Notifications\TransferOwnerGraceNotification;
+use App\Services\Transfer\TransferOwnerMailService;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Notification;
+use Illuminate\Support\Str;
+use Tests\TestCase;
+
+class TransferOwnerGraceMailTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_owner_grace_day_milestone_is_sent_once(): void
+    {
+        Notification::fake();
+
+        $user = User::create([
+            'public_id' => (string) Str::uuid(),
+            'name' => 'Owner',
+            'email' => 'owner+'.uniqid().'@example.com',
+        ]);
+
+        $transfer = Transfer::create([
+            'user_id' => $user->id,
+            'title' => 'Grace reminder',
+            'retention_days' => 30,
+            'paid_until' => now()->subDay(),
+            'grace_ends_at' => now()->addDays(3)->startOfDay(),
+            'status' => Transfer::STATUS_GRACE,
+            'storage_bytes' => 1024,
+            'owner_milestones_sent' => ['grace_entered'],
+        ]);
+
+        $service = app(TransferOwnerMailService::class);
+        $this->assertSame(1, $service->processGraceReminders());
+        $this->assertSame(0, $service->processGraceReminders());
+
+        Notification::assertSentTo($user, TransferOwnerGraceNotification::class, 1);
+    }
+}