fix(upload): product_name NOT NULL 에러 수정

- 세션 생성 시 product_name 저장
- 업로드 API에서 product_name INSERT
- 프론트엔드에서 product_name 전달

backend/app.py

@@ -7628,6 +7628,7 @@ def api_create_upload_session():
     
     data = request.get_json() or {}
     barcode = data.get('barcode', '')
+    product_name = data.get('product_name', barcode)  # 없으면 바코드 사용
     
     if not barcode:
         return jsonify({'success': False, 'error': '바코드가 필요합니다'}), 400
@@ -7637,6 +7638,7 @@ def api_create_upload_session():
     
     upload_sessions[session_id] = {
         'barcode': barcode,
+        'product_name': product_name,
         'created_at': datetime.now(),
         'expires_at': expires_at,
         'status': 'pending',  # pending → uploaded
@@ -7704,6 +7706,8 @@ def api_upload_session_image(session_id):
         cursor.execute('SELECT id FROM product_images WHERE barcode = ?', (barcode,))
         existing = cursor.fetchone()
         
+        product_name = session.get('product_name', barcode)  # 세션에서 가져오거나 바코드 사용
+        
         if existing:
             cursor.execute('''
                 UPDATE product_images 
@@ -7712,9 +7716,9 @@ def api_upload_session_image(session_id):
             ''', (image_base64, barcode))
         else:
             cursor.execute('''
-                INSERT INTO product_images (barcode, image_base64, created_at)
-                VALUES (?, ?, CURRENT_TIMESTAMP)
-            ''', (barcode, image_base64))
+                INSERT INTO product_images (barcode, product_name, image_base64, status, created_at)
+                VALUES (?, ?, ?, 'manual', CURRENT_TIMESTAMP)
+            ''', (barcode, product_name, image_base64))
         
         conn.commit()
         conn.close()

backend/templates/admin_products.html

@@ -1741,7 +1741,7 @@
             const res = await fetch('/api/upload-session', {
                 method: 'POST',
                 headers: { 'Content-Type': 'application/json' },
-                body: JSON.stringify({ barcode })
+                body: JSON.stringify({ barcode, product_name: imgModalName || barcode })
             });
             const data = await res.json();