fix: complete InvesteMoz validation and error corrections

app/Models/Sector.php

@@ -2,10 +2,15 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\SoftDeletes;
 
+/**
+ * @property list<array<string, mixed>> $specializations
+ * @property string $url
+ */
 class Sector extends Model
 {
     use SoftDeletes;
@@ -20,18 +25,24 @@ class Sector extends Model
         'published_at' => 'datetime',
     ];
 
-    /** Presentation only: historical masters and foreign keys remain untouched. */
-    public function scopeChoices($query)
+    /** Presentation only: historical masters and foreign keys remain untouched.
+     * @param  Builder<Sector>  $query
+     * @return Builder<Sector>
+     */
+    public function scopeChoices(Builder $query): Builder
     {
         return $query->where('is_active', true)->where('slug', '!=', 'energia');
     }
 
-    public function scopeCatalog($query)
+    /** @param Builder<Sector> $query
+     * @return Builder<Sector>
+     */
+    public function scopeCatalog(Builder $query): Builder
     {
         return $query->choices()->whereNotNull('published_at')->where('slug', '!=', 'fintech');
     }
 
-    public function getNameAttribute($value)
+    public function getNameAttribute(?string $value): ?string
     {
         return ($this->attributes['slug'] ?? null) === 'fintech' ? 'Mercado Financeiro — Fintech' : $value;
     }