diff --git a/database/migrations/2025_12_12_000000_add_financial_fields_to_assets.php b/database/migrations/2025_12_12_000000_add_financial_fields_to_assets.php
index 725054f..080f5f3 100644
--- a/database/migrations/2025_12_12_000000_add_financial_fields_to_assets.php
+++ b/database/migrations/2025_12_12_000000_add_financial_fields_to_assets.php
@@ -13,7 +13,7 @@ return new class extends Migration
             $table->unsignedInteger('useful_life_months')->nullable()->after('depreciation_method');
             $table->decimal('residual_value', 15, 2)->nullable()->after('useful_life_months');
             $table->string('capex_opex')->nullable()->after('residual_value'); // capex|opex
-            $table->foreignUuid('vendor_contract_id')->nullable()->after('capex_opex')->constrained('vendor_contracts')->nullOnDelete();
+            $table->uuid('vendor_contract_id')->nullable()->after('capex_opex'); // FK opsional, tambahkan manual jika perlu
             $table->timestamp('warranty_reminder_sent_at')->nullable()->after('warranty_end');
         });
     }
@@ -21,7 +21,6 @@ return new class extends Migration
     public function down(): void
     {
         Schema::table('assets', function (Blueprint $table) {
-            $table->dropForeign(['vendor_contract_id']);
             $table->dropColumn([
                 'depreciation_method',
                 'useful_life_months',
diff --git a/database/seeders/AssetSeeder.php b/database/seeders/AssetSeeder.php
index 865283c..15912f0 100644
--- a/database/seeders/AssetSeeder.php
+++ b/database/seeders/AssetSeeder.php
@@ -10,6 +10,7 @@ use App\Models\AssetUser;
 use App\Models\AssetPhoto;
 use App\Models\Department;
 use App\Models\PersonInCharge;
+use App\Models\VendorContract;
 use App\Models\Unit;
 use App\Models\Warranty;
 use App\Services\Asset\AssetService;
@@ -32,6 +33,15 @@ class AssetSeeder extends Seeder
         $user = AssetUser::first();
         $location = AssetLocation::first();
         $warranty = Warranty::first();
+        $contract = VendorContract::create([
+            'vendor_name' => 'Vendor Default',
+            'contract_number' => 'CNT-001',
+            'start_date' => now()->subMonths(6),
+            'end_date' => now()->addMonths(6),
+            'sla_response_hours' => 4,
+            'sla_resolution_hours' => 24,
+            'notes' => 'Kontrak default untuk sample aset',
+        ]);
 
         $names = [
             'Laptop Dell XPS 13',
@@ -81,6 +91,11 @@ class AssetSeeder extends Seeder
                 'warranty_id' => $warranty?->id,
                 'purchase_date' => now()->subDays(30 + $index),
                 'cost' => 1000000 + ($index * 250000),
+                'residual_value' => 500000,
+                'useful_life_months' => 36,
+                'depreciation_method' => $index % 2 === 0 ? 'straight_line' : 'diminishing',
+                'capex_opex' => $index % 3 === 0 ? 'capex' : 'opex',
+                'vendor_contract_id' => $contract->id,
             ]);
 
             // Download 2 foto berbeda untuk tiap aset dari pool.