refactor(modular): 完成第三與第四階段深層掃描與 Model 清理

app/Modules/Inventory/Models/InventoryTransaction.php

@@ -4,7 +4,7 @@ namespace App\Modules\Inventory\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
-use App\Modules\Core\Models\User; // 跨模組核心依賴
+
 
 class InventoryTransaction extends Model
 {
@@ -35,11 +35,6 @@ class InventoryTransaction extends Model
         return $this->belongsTo(Inventory::class);
     }
 
-    public function user(): \Illuminate\Database\Eloquent\Relations\BelongsTo
-    {
-        return $this->belongsTo(User::class);
-    }
-
     public function reference(): \Illuminate\Database\Eloquent\Relations\MorphTo
     {
         return $this->morphTo();