fix(auth): scope email uniqueness to active users

tests/Feature/Staff/StaffControllerTest.php

@@ -121,6 +121,11 @@ class StaffControllerTest extends TestCase
 
         $this->deleteJson("/api/v1/adminapp/tenant/staff/{$staffId}")->assertNoContent();
         $this->assertSoftDeleted('users', ['id' => $staffId]);
+        $this->assertDatabaseHas('users', [
+            'id' => $staffId,
+            'email' => 'ada@example.test',
+            'active_email' => null,
+        ]);
         $this->assertDatabaseMissing('personal_access_tokens', ['id' => $accessTokenId]);
         $this->assertDatabaseHas('category_scanners', [
             'user_id' => $staffId,
@@ -133,6 +138,24 @@ class StaffControllerTest extends TestCase
             ->assertOk()
             ->assertJsonCount(0, 'data');
 
+        $replacementResponse = $this->postJson('/api/v1/adminapp/tenant/staff', [
+            'nombre_apellido' => 'Nueva Ada',
+            'dni' => '11223344',
+            'email' => 'ADA@example.test',
+            'category_ids' => [$firstCategory->id],
+        ])->assertSuccessful()
+            ->assertJsonPath('data.email', 'ada@example.test');
+
+        $replacementStaffId = $replacementResponse->json('data.id');
+        $this->assertNotSame($staffId, $replacementStaffId);
+        $this->assertSame('Ada Byron', $ticket->fresh()->scannerUser?->nombre_apellido);
+        $this->assertDatabaseHas('users', [
+            'id' => $replacementStaffId,
+            'email' => 'ada@example.test',
+            'active_email' => 'ada@example.test',
+            'deleted_at' => null,
+        ]);
+
     }
 
     public function test_admin_cannot_assign_another_tenants_category(): void