feat(packages): implement package-based business model

app/Models/Event.php

@@ -50,4 +50,32 @@ class Event extends Model
         return $this->belongsToMany(Task::class, 'event_task', 'event_id', 'task_id')
             ->withTimestamps();
     }
+
+    public function eventPackage(): BelongsTo
+    {
+        return $this->belongsTo(EventPackage::class);
+    }
+
+    public function hasActivePackage(): bool
+    {
+        return $this->eventPackage && $this->eventPackage->isActive();
+    }
+
+    public function getPackageLimits(): array
+    {
+        if (!$this->hasActivePackage()) {
+            return [];
+        }
+
+        return $this->eventPackage->package->limits;
+    }
+
+    public function canUploadPhoto(): bool
+    {
+        if (!$this->hasActivePackage()) {
+            return false;
+        }
+
+        return $this->eventPackage->canUploadPhoto();
+    }
 }