docs: LOGICAL_RELATIONSHIPS.md 모델 관계 업데이트

- OrderNode 모델 관계 추가 (parent, order, children, items)
- Order.nodes/rootNodes, OrderItem.node 관계 추가
- WorkOrder.stepProgress, WorkOrderStepProgress 관계 추가

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

LOGICAL_RELATIONSHIPS.md

@@ -1,6 +1,6 @@
 # 논리적 데이터베이스 관계 문서
 
-> **자동 생성**: 2026-02-07 09:56:46
+> **자동 생성**: 2026-02-07 01:10:55
 > **소스**: Eloquent 모델 관계 분석
 
 ## 📊 모델별 관계 현황
@@ -499,6 +499,8 @@ ### orders
 - **item()**: belongsTo → `items`
 - **sale()**: belongsTo → `sales`
 - **items()**: hasMany → `order_items`
+- **nodes()**: hasMany → `order_nodes`
+- **rootNodes()**: hasMany → `order_nodes`
 - **histories()**: hasMany → `order_histories`
 - **versions()**: hasMany → `order_versions`
 - **workOrders()**: hasMany → `work_orders`
@@ -514,6 +516,7 @@ ### order_items
 **모델**: `App\Models\Orders\OrderItem`
 
 - **order()**: belongsTo → `orders`
+- **node()**: belongsTo → `order_nodes`
 - **item()**: belongsTo → `items`
 - **quote()**: belongsTo → `quotes`
 - **quoteItem()**: belongsTo → `quote_items`
@@ -524,6 +527,14 @@ ### order_item_components
 
 - **orderItem()**: belongsTo → `order_items`
 
+### order_nodes
+**모델**: `App\Models\Orders\OrderNode`
+
+- **parent()**: belongsTo → `order_nodes`
+- **order()**: belongsTo → `orders`
+- **children()**: hasMany → `order_nodes`
+- **items()**: hasMany → `order_items`
+
 ### order_versions
 **모델**: `App\Models\Orders\OrderVersion`
 
@@ -597,6 +608,7 @@ ### work_orders
 - **primaryAssignee()**: hasMany → `work_order_assignees`
 - **items()**: hasMany → `work_order_items`
 - **issues()**: hasMany → `work_order_issues`
+- **stepProgress()**: hasMany → `work_order_step_progress`
 - **shipments()**: hasMany → `shipments`
 - **bendingDetail()**: hasOne → `work_order_bending_details`
 
@@ -624,6 +636,14 @@ ### work_order_items
 - **workOrder()**: belongsTo → `work_orders`
 - **item()**: belongsTo → `items`
 
+### work_order_step_progress
+**모델**: `App\Models\Production\WorkOrderStepProgress`
+
+- **workOrder()**: belongsTo → `work_orders`
+- **processStep()**: belongsTo → `process_steps`
+- **workOrderItem()**: belongsTo → `work_order_items`
+- **completedByUser()**: belongsTo → `users`
+
 ### work_results
 **모델**: `App\Models\Production\WorkResult`