feat: 도매상 API 통합 및 스키마 업데이트

- wholesale 패키지 연동 (SooinSession, GeoYoungSession)
- Flask Blueprint 분리 (sooin_api.py, geoyoung_api.py)
- order_context 스키마 확장 (wholesaler_id, internal_code 등)
- 수인약품 개별 취소 기능 (cancel_item, restore_item)
- 문서 추가: WHOLESALE_API_INTEGRATION.md
- 테스트 스크립트들

backend/analyze_geoyoung.py

@@ -0,0 +1,77 @@
+# -*- coding: utf-8 -*-
+"""지오영 API 엔드포인트 분석 - 간단 버전"""
+
+import asyncio
+from playwright.async_api import async_playwright
+
+async def analyze():
+    async with async_playwright() as p:
+        browser = await p.chromium.launch(headless=True)
+        page = await browser.new_page()
+        
+        # 모든 요청 로깅
+        all_requests = []
+        
+        def log_request(request):
+            all_requests.append({
+                'url': request.url,
+                'method': request.method,
+                'data': request.post_data
+            })
+        
+        page.on('request', log_request)
+        
+        # 로그인
+        await page.goto('https://gwn.geoweb.kr/Member/Login')
+        await page.fill('input[type="text"]', '7390')
+        await page.fill('input[type="password"]', 'trajet6640')
+        await page.click('button, input[type="submit"]')
+        await page.wait_for_load_state('networkidle')
+        
+        # 메인 페이지 HTML 분석
+        await page.goto('https://gwn.geoweb.kr/Home/Index')
+        await page.wait_for_load_state('networkidle')
+        
+        # JavaScript에서 API 엔드포인트 찾기
+        js_content = await page.content()
+        
+        await browser.close()
+        
+        # POST 요청만 필터
+        print("="*60)
+        print("POST 요청들:")
+        print("="*60)
+        for r in all_requests:
+            if r['method'] == 'POST':
+                print(f"URL: {r['url']}")
+                if r['data']:
+                    print(f"Data: {r['data'][:300]}")
+                print()
+        
+        # HTML에서 API 힌트 찾기
+        print("="*60)
+        print("HTML에서 발견된 API 관련 패턴:")
+        print("="*60)
+        
+        import re
+        # ajax, fetch, url 패턴 찾기
+        patterns = [
+            r'url:\s*[\'"]([^"\']+)[\'"]',
+            r'action=[\'"]([^"\']+)[\'"]',
+            r'\.post\([\'"]([^"\']+)[\'"]',
+            r'\.get\([\'"]([^"\']+)[\'"]',
+            r'fetch\([\'"]([^"\']+)[\'"]',
+        ]
+        
+        found_urls = set()
+        for pattern in patterns:
+            matches = re.findall(pattern, js_content)
+            for m in matches:
+                if 'Order' in m or 'Cart' in m or 'Add' in m or 'Product' in m:
+                    found_urls.add(m)
+        
+        for url in sorted(found_urls):
+            print(url)
+
+if __name__ == "__main__":
+    asyncio.run(analyze())