feat: [approval] 지출결의서 법인카드/송금 계좌 선택 기능

- 법인카드 선택 시 카드 목록 패널 슬라이드-다운 표시
- 송금 선택 시 출금 계좌 목록 표시, 대표계좌 자동 선택
- 선택된 카드/계좌 정보를 content JSON에 스냅샷 저장
- 상세 페이지에서 선택된 카드/계좌 정보 읽기전용 표시

app/Http/Controllers/ApprovalController.php

@@ -2,6 +2,8 @@
 
 namespace App\Http\Controllers;
 
+use App\Models\Finance\BankAccount;
+use App\Models\Finance\CorporateCard;
 use App\Services\ApprovalService;
 use Illuminate\Http\Request;
 use Illuminate\Http\Response;
@@ -36,8 +38,9 @@ public function create(Request $request): View|Response
 
         $forms = $this->service->getApprovalForms();
         $lines = $this->service->getApprovalLines();
+        [$cards, $accounts] = $this->getCardAndAccountData();
 
-        return view('approvals.create', compact('forms', 'lines'));
+        return view('approvals.create', compact('forms', 'lines', 'cards', 'accounts'));
     }
 
     /**
@@ -57,8 +60,9 @@ public function edit(Request $request, int $id): View|Response
 
         $forms = $this->service->getApprovalForms();
         $lines = $this->service->getApprovalLines();
+        [$cards, $accounts] = $this->getCardAndAccountData();
 
-        return view('approvals.edit', compact('approval', 'forms', 'lines'));
+        return view('approvals.edit', compact('approval', 'forms', 'lines', 'cards', 'accounts'));
     }
 
     /**
@@ -110,4 +114,22 @@ public function completed(Request $request): View|Response
 
         return view('approvals.completed');
     }
+
+    private function getCardAndAccountData(): array
+    {
+        $tenantId = session('selected_tenant_id');
+
+        $cards = CorporateCard::forTenant($tenantId)
+            ->active()
+            ->select('id', 'card_name', 'card_company', 'card_number', 'card_holder_name')
+            ->get();
+
+        $accounts = BankAccount::where('tenant_id', $tenantId)
+            ->active()
+            ->ordered()
+            ->select('id', 'bank_name', 'account_number', 'account_holder', 'is_primary')
+            ->get();
+
+        return [$cards, $accounts];
+    }
 }