feat: Implement staff management features; add controller, service, resource, routes, and tests for staff and category assignments

app/Domains/Auth/Models/User.php

@@ -4,12 +4,14 @@ namespace App\Domains\Auth\Models;
 
 use App\Domains\Authorization\Enums\RoleCode;
 use App\Domains\Authorization\Models\Role;
+use App\Domains\Catalog\Models\Category;
 use App\Domains\Tenant\Models\Tenant;
 use Database\Factories\UserFactory;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Attributes\Hidden;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
@@ -59,6 +61,17 @@ class User extends Authenticatable
         return $this->belongsTo(Tenant::class, 'tenant_codigo', 'codigo');
     }
 
+    /** @return BelongsToMany<Category, $this> */
+    public function scanCategories(): BelongsToMany
+    {
+        return $this->belongsToMany(
+            Category::class,
+            'category_scanners',
+            'user_id',
+            'categoria_id',
+        )->withTimestamps();
+    }
+
     /**
      * @return array<string, string>
      */