Merge branch 'main' into #20-vacation-requests

# Conflicts:
#	app/Architecture/Providers/ObserverServiceProvider.php
#	app/Domain/Role.php
#	app/Domain/Rules/ApprovedVacationDaysInSameRange.php
#	app/Domain/Rules/DoesNotExceedLimitRule.php
#	app/Domain/Rules/MinimumOneVacationDayRule.php
#	app/Domain/Rules/PendingVacationRequestInSameRange.php
#	app/Domain/Rules/UsedVacationDaysInSameRange.php
#	app/Domain/Rules/VacationRequestRule.php
#	app/Domain/VacationRequestState.php
#	app/Domain/VacationRequestStateManager.php
#	app/Domain/VacationRequestValidator.php
#	app/Domain/VacationType.php
#	app/Domain/VacationTypeConfigRetriever.php
#	app/Eloquent/Models/User.php
#	app/Infrastructure/Http/Controllers/UserController.php
#	app/Infrastructure/Http/Kernel.php
#	app/Infrastructure/Http/Requests/UserRequest.php
#	database/factories/UserFactory.php
#	database/seeders/DatabaseSeeder.php
#	routes/web.php
#	tests/Feature/UserTest.php

app/Eloquent/Models/VacationRequestActivity.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Eloquent\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Toby\Domain\Enums\VacationRequestState;
+
+/**
+ * @property int $id
+ * @property VacationRequest $vacationRequest
+ * @property ?User $user
+ * @property ?VacationRequestState $from
+ * @property VacationRequestState $to
+ */
+class VacationRequestActivity extends Model
+{
+    protected $guarded = [];
+
+    protected $casts = [
+        "from" => VacationRequestState::class,
+        "to" => VacationRequestState::class,
+    ];
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function vacationRequest(): BelongsTo
+    {
+        return $this->belongsTo(VacationRequest::class);
+    }
+}