fixed import where it did not reactivate contract that was archived

app/Models/Contract.php

@@ -3,6 +3,7 @@
 namespace App\Models;
 
 use App\Traits\Uuid;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -43,6 +44,38 @@ protected function casts(): array
         ];
     }
 
+    /**
+     * Normalize start_date inputs to Y-m-d (or null) on assignment.
+     */
+    protected function startDate(): Attribute
+    {
+        return Attribute::make(
+            set: function ($value) {
+                if (is_null($value)) {
+                    return null;
+                }
+                $str = is_string($value) ? $value : (string) $value;
+                return \App\Services\DateNormalizer::toDate($str);
+            }
+        );
+    }
+
+    /**
+     * Normalize end_date inputs to Y-m-d (or null) on assignment.
+     */
+    protected function endDate(): Attribute
+    {
+        return Attribute::make(
+            set: function ($value) {
+                if (is_null($value)) {
+                    return null;
+                }
+                $str = is_string($value) ? $value : (string) $value;
+                return \App\Services\DateNormalizer::toDate($str);
+            }
+        );
+    }
+
     public function type(): BelongsTo
     {
         return $this->belongsTo(\App\Models\ContractType::class, 'type_id');