feat: [수주관리] 전환/동기화 로직에 OrderNode 생성 및 아이템 연결

- convertToOrder: calculation_inputs.items[]로 OrderNode(location) 생성, order_items에 order_node_id 연결
- resolveLocationIndex() 헬퍼 추가 (formula_source/note 기반 개소 인덱스 매칭)
- syncFromQuote: 기존 nodes 삭제 후 재생성, 아이템 node 연결 동기화
- show(): rootNodes + withRecursiveChildren eager loading 추가
- createFromQuoteItem: order_node_id 매핑 추가

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Services/Quote/QuoteService.php

@@ -6,6 +6,7 @@
 use App\Models\Items\Item;
 use App\Models\Orders\Order;
 use App\Models\Orders\OrderItem;
+use App\Models\Orders\OrderNode;
 use App\Models\Quote\Quote;
 use App\Models\Quote\QuoteItem;
 use App\Models\Quote\QuoteRevision;
@@ -597,13 +598,60 @@ public function convertToOrder(int $id): Quote
             $order->created_by = $userId;
             $order->save();
 
-            // 수주 상세 품목 생성 (개소 매핑 포함)
+            // calculation_inputs에서 개소(제품) 정보 추출
             $calculationInputs = $quote->calculation_inputs ?? [];
             $productItems = $calculationInputs['items'] ?? [];
+            $bomResults = $calculationInputs['bomResults'] ?? [];
 
+            // OrderNode 생성 (개소별)
+            $nodeMap = []; // productIndex → OrderNode
+            foreach ($productItems as $idx => $locItem) {
+                $bomResult = $bomResults[$idx] ?? null;
+                $grandTotal = $bomResult['grand_total'] ?? 0;
+                $qty = (int) ($locItem['quantity'] ?? 1);
+                $floor = $locItem['floor'] ?? '';
+                $symbol = $locItem['code'] ?? '';
+
+                $node = OrderNode::create([
+                    'tenant_id' => $tenantId,
+                    'order_id' => $order->id,
+                    'parent_id' => null,
+                    'node_type' => 'location',
+                    'code' => trim("{$floor}-{$symbol}", '-') ?: "LOC-{$idx}",
+                    'name' => trim("{$floor} {$symbol}") ?: '개소 '.($idx + 1),
+                    'status_code' => OrderNode::STATUS_PENDING,
+                    'quantity' => $qty,
+                    'unit_price' => $grandTotal,
+                    'total_price' => $grandTotal * $qty,
+                    'options' => [
+                        'floor' => $floor,
+                        'symbol' => $symbol,
+                        'product_code' => $locItem['productCode'] ?? null,
+                        'product_name' => $locItem['productName'] ?? null,
+                        'open_width' => $locItem['openWidth'] ?? null,
+                        'open_height' => $locItem['openHeight'] ?? null,
+                        'guide_rail_type' => $locItem['guideRailType'] ?? null,
+                        'motor_power' => $locItem['motorPower'] ?? null,
+                        'controller' => $locItem['controller'] ?? null,
+                        'wing_size' => $locItem['wingSize'] ?? null,
+                        'inspection_fee' => $locItem['inspectionFee'] ?? null,
+                        'bom_result' => $bomResult,
+                    ],
+                    'depth' => 0,
+                    'sort_order' => $idx,
+                    'created_by' => $userId,
+                ]);
+                $nodeMap[$idx] = $node;
+            }
+
+            // 수주 상세 품목 생성 (노드 연결 포함)
             $serialIndex = 1;
             foreach ($quote->items as $quoteItem) {
                 $productMapping = $this->resolveLocationMapping($quoteItem, $productItems);
+                $locIdx = $this->resolveLocationIndex($quoteItem, $productItems);
+
+                $productMapping['order_node_id'] = isset($nodeMap[$locIdx]) ? $nodeMap[$locIdx]->id : null;
+
                 $orderItem = OrderItem::createFromQuoteItem($quoteItem, $order->id, $serialIndex, $productMapping);
                 $orderItem->created_by = $userId;
                 $orderItem->save();
@@ -665,6 +713,37 @@ private function resolveLocationMapping(QuoteItem $quoteItem, array $productItem
         return ['floor_code' => $floorCode, 'symbol_code' => $symbolCode];
     }
 
+    /**
+     * 견적 품목이 속하는 개소(productItems) 인덱스 반환
+     *
+     * 1순위: formula_source에서 product_N 패턴 추출
+     * 2순위: note 파싱 후 productItems에서 floor/code 매칭
+     * 매칭 실패 시 0 반환
+     */
+    private function resolveLocationIndex(QuoteItem $quoteItem, array $productItems): int
+    {
+        // 1순위: formula_source
+        $formulaSource = $quoteItem->formula_source ?? '';
+        if (preg_match('/product_(\d+)/', $formulaSource, $matches)) {
+            return (int) $matches[1];
+        }
+
+        // 2순위: note에서 floor/code 매칭
+        $note = trim($quoteItem->note ?? '');
+        if ($note !== '') {
+            $parts = preg_split('/\s+/', $note, 2);
+            $floor = $parts[0] ?? '';
+            $code = $parts[1] ?? '';
+            foreach ($productItems as $idx => $item) {
+                if (($item['floor'] ?? '') === $floor && ($item['code'] ?? '') === $code) {
+                    return $idx;
+                }
+            }
+        }
+
+        return 0;
+    }
+
     /**
      * 수주번호 생성
      * 형식: ORD-YYMMDD-NNN (예: ORD-260105-001)