fix(WEB): 수주 페이지 필드 매핑 및 제품-부품 트리 구조 개선

- ApiClient 인터페이스: representative → manager_name, contact_person 변경
- transformApiToFrontend: client.representative → client.manager_name 수정
- ApiOrderItem에 floor_code, symbol_code 필드 추가 (제품-부품 매핑)
- ApiOrder에 options 타입 정의 추가
- ApiQuote에 calculation_inputs 타입 정의 추가
- 수주 상세 페이지 제품-부품 트리 구조 UI 개선

app/Models/Orders/Order.php

@@ -5,6 +5,7 @@
 use App\Models\Items\Item;
 use App\Models\Production\WorkOrder;
 use App\Models\Quote\Quote;
+use App\Models\Tenants\Shipment;
 use App\Traits\BelongsToTenant;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -27,10 +28,48 @@ class Order extends Model
 
     public const STATUS_IN_PROGRESS = 'IN_PROGRESS';
 
+    public const STATUS_IN_PRODUCTION = 'IN_PRODUCTION';  // 생산중
+
+    public const STATUS_PRODUCED = 'PRODUCED';            // 생산완료
+
+    public const STATUS_SHIPPING = 'SHIPPING';            // 출하중
+
+    public const STATUS_SHIPPED = 'SHIPPED';              // 출하완료
+
     public const STATUS_COMPLETED = 'COMPLETED';
 
     public const STATUS_CANCELLED = 'CANCELLED';
 
+    /**
+     * 전체 상태 목록
+     */
+    public const STATUSES = [
+        self::STATUS_DRAFT,
+        self::STATUS_CONFIRMED,
+        self::STATUS_IN_PROGRESS,
+        self::STATUS_IN_PRODUCTION,
+        self::STATUS_PRODUCED,
+        self::STATUS_SHIPPING,
+        self::STATUS_SHIPPED,
+        self::STATUS_COMPLETED,
+        self::STATUS_CANCELLED,
+    ];
+
+    /**
+     * 상태 라벨
+     */
+    public const STATUS_LABELS = [
+        self::STATUS_DRAFT => '임시저장',
+        self::STATUS_CONFIRMED => '확정',
+        self::STATUS_IN_PROGRESS => '진행중',
+        self::STATUS_IN_PRODUCTION => '생산중',
+        self::STATUS_PRODUCED => '생산완료',
+        self::STATUS_SHIPPING => '출하중',
+        self::STATUS_SHIPPED => '출하완료',
+        self::STATUS_COMPLETED => '완료',
+        self::STATUS_CANCELLED => '취소',
+    ];
+
     // 주문 유형
     public const TYPE_ORDER = 'ORDER'; // 수주
 
@@ -127,6 +166,14 @@ public function client(): BelongsTo
         return $this->belongsTo(Client::class);
     }
 
+    /**
+     * 작성자 (담당자)
+     */
+    public function writer(): BelongsTo
+    {
+        return $this->belongsTo(\App\Models\Members\User::class, 'writer_id');
+    }
+
     /**
      * 품목 (통합 items 테이블)
      */
@@ -143,6 +190,14 @@ public function workOrders(): HasMany
         return $this->hasMany(WorkOrder::class, 'sales_order_id');
     }
 
+    /**
+     * 출하 목록
+     */
+    public function shipments(): HasMany
+    {
+        return $this->hasMany(Shipment::class, 'order_id');
+    }
+
     /**
      * 품목들로부터 금액 합계 재계산
      */