feat: Add tenant code to value changes; implement PurchaseController and related services for tenant-specific purchase management

app/Domains/Logging/Models/ValueChange.php

@@ -4,12 +4,14 @@ namespace App\Domains\Logging\Models;
 
 use App\Domains\Auth\Models\User;
 use App\Domains\Logging\Enums\ValueChangeActorType;
+use App\Domains\Tenant\Models\Tenant;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\MorphTo;
 
 #[Fillable([
+    'tenant_code',
     'trackable_type',
     'trackable_id',
     'attribute',
@@ -35,6 +37,12 @@ class ValueChange extends Model
         return $this->belongsTo(User::class);
     }
 
+    /** @return BelongsTo<Tenant, $this> */
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class, 'tenant_code', 'codigo');
+    }
+
     protected function casts(): array
     {
         return [