feat: POS GUI에 적립포인트 컬럼 추가

- 적립 사용자 정보와 함께 적립포인트 표시
- claim_tokens 테이블에서 claimable_points 조회
- 포인트 포맷: 천단위 콤마 + 'P' 접미사 (예: 1,500P)
- 녹색 볼드 텍스트, 우측 정렬
- 테이블 컬럼 수: 7개 → 8개
- 윈도우 너비: 1200px → 1300px

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

backend/gui/pos_sales_gui.py

@@ -83,7 +83,7 @@ class SalesQueryThread(QThread):
 
                 # SQLite에서 적립 사용자 조회
                 sqlite_cursor.execute("""
-                    SELECT u.nickname, u.phone
+                    SELECT u.nickname, u.phone, ct.claimable_points
                     FROM claim_tokens ct
                     LEFT JOIN users u ON ct.claimed_by_user_id = u.id
                     WHERE ct.transaction_id = ? AND ct.claimed_at IS NOT NULL
@@ -94,9 +94,11 @@ class SalesQueryThread(QThread):
                 if claimed_user and claimed_user['nickname'] and claimed_user['phone']:
                     claimed_name = claimed_user['nickname']
                     claimed_phone = claimed_user['phone']
+                    claimed_points = claimed_user['claimable_points']
                 else:
                     claimed_name = ""
                     claimed_phone = ""
+                    claimed_points = 0
 
                 sales_list.append({
                     'order_no': order_no,
@@ -105,7 +107,8 @@ class SalesQueryThread(QThread):
                     'customer': customer,
                     'item_count': item_count,
                     'claimed_name': claimed_name,
-                    'claimed_phone': claimed_phone
+                    'claimed_phone': claimed_phone,
+                    'claimed_points': claimed_points
                 })
 
             self.query_complete.emit(sales_list)
@@ -376,7 +379,7 @@ class POSSalesGUI(QMainWindow):
     def init_ui(self):
         """UI 초기화"""
         self.setWindowTitle('POS 판매 조회')
-        self.setGeometry(100, 100, 1200, 600)
+        self.setGeometry(100, 100, 1300, 600)
 
         # 중앙 위젯
         central_widget = QWidget()
@@ -430,9 +433,9 @@ class POSSalesGUI(QMainWindow):
         sales_group.setLayout(sales_layout)
 
         self.sales_table = QTableWidget()
-        self.sales_table.setColumnCount(7)
+        self.sales_table.setColumnCount(8)
         self.sales_table.setHorizontalHeaderLabels([
-            '주문번호', '시간', '금액', '고객명', '품목수', '적립자명', '전화번호'
+            '주문번호', '시간', '금액', '고객명', '품목수', '적립자명', '전화번호', '적립포인트'
         ])
         self.sales_table.setColumnWidth(0, 160)
         self.sales_table.setColumnWidth(1, 70)
@@ -441,6 +444,7 @@ class POSSalesGUI(QMainWindow):
         self.sales_table.setColumnWidth(4, 70)
         self.sales_table.setColumnWidth(5, 100)
         self.sales_table.setColumnWidth(6, 120)
+        self.sales_table.setColumnWidth(7, 100)
         self.sales_table.setSelectionBehavior(QTableWidget.SelectRows)
         self.sales_table.doubleClicked.connect(self.show_sale_detail)
 
@@ -554,6 +558,16 @@ class POSSalesGUI(QMainWindow):
                 claimed_phone_item.setFont(font)
             self.sales_table.setItem(row, 6, claimed_phone_item)
 
+            # 적립포인트 (SQLite)
+            claimed_points_item = QTableWidgetItem(f"{sale['claimed_points']:,}P" if sale['claimed_points'] > 0 else "")
+            if sale['claimed_points'] > 0:
+                claimed_points_item.setForeground(QColor('#4CAF50'))
+                claimed_points_item.setTextAlignment(Qt.AlignRight | Qt.AlignVCenter)
+                font = QFont()
+                font.setBold(True)
+                claimed_points_item.setFont(font)
+            self.sales_table.setItem(row, 7, claimed_points_item)
+
     def on_query_error(self, error_msg):
         """DB 조회 에러 처리"""
         QMessageBox.critical(self, '오류', f'조회 실패:\n{error_msg}')