feat:재무관리 4개 페이지 수정 (부가세/매출/미지급금)

- 부가세관리: 신고기간 1P/1C/2P/2C 형식, 세금구분(과세/영세/면세), 카드 공제분 매입 반영, 라벨 변경
- 매출관리: 작성일자/승인번호 라벨, 구분(과세/영세/면세) 추가
- 미지급금: 결제예정일/거래일자 라벨, 청구서번호 숨김, 매입세금계산서 발행여부 체크박스

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/Http/Controllers/Finance/PayableController.php

@@ -17,8 +17,7 @@ public function index(Request $request): JsonResponse
 
         if ($search = $request->input('search')) {
             $query->where(function ($q) use ($search) {
-                $q->where('vendor_name', 'like', "%{$search}%")
-                  ->orWhere('invoice_no', 'like', "%{$search}%");
+                $q->where('vendor_name', 'like', "%{$search}%");
             });
         }
 
@@ -49,6 +48,7 @@ public function index(Request $request): JsonResponse
                     'status' => $item->status,
                     'description' => $item->description,
                     'memo' => $item->memo,
+                    'taxInvoiceIssued' => (bool) $item->tax_invoice_issued,
                 ];
             });
 
@@ -79,7 +79,7 @@ public function store(Request $request): JsonResponse
     {
         $request->validate([
             'vendorName' => 'required|string|max:100',
-            'invoiceNo' => 'required|string|max:50',
+            'invoiceNo' => 'nullable|string|max:50',
             'amount' => 'required|integer|min:0',
         ]);
 
@@ -97,6 +97,7 @@ public function store(Request $request): JsonResponse
             'status' => 'unpaid',
             'description' => $request->input('description'),
             'memo' => $request->input('memo'),
+            'tax_invoice_issued' => $request->boolean('taxInvoiceIssued', false),
         ]);
 
         return response()->json([
@@ -112,7 +113,7 @@ public function update(Request $request, int $id): JsonResponse
 
         $request->validate([
             'vendorName' => 'required|string|max:100',
-            'invoiceNo' => 'required|string|max:50',
+            'invoiceNo' => 'nullable|string|max:50',
             'amount' => 'required|integer|min:0',
         ]);
 
@@ -126,6 +127,7 @@ public function update(Request $request, int $id): JsonResponse
             'status' => $request->input('status', $payable->status),
             'description' => $request->input('description'),
             'memo' => $request->input('memo'),
+            'tax_invoice_issued' => $request->boolean('taxInvoiceIssued', $payable->tax_invoice_issued),
         ]);
 
         return response()->json([