test: verify MARLIN 4 smart fallback working correctly

- MARLIN 4 search now shows MARLIN 4 GEN 3 (2026) automatically
- Smart model detection prioritizes newer models when original is out of stock
- Price formatting with Trek algorithm (42.000 TL)
- Stock details show store locations and variants properly

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

test_api_image.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+# Test combined API for image data
+
+import requests
+import xml.etree.ElementTree as ET
+
+try:
+    response = requests.get('https://video.trek-turkey.com/combined_trek_xml_api_v2.php')
+    root = ET.fromstring(response.content)
+    
+    products = root.findall('product')
+    print(f"Total products found: {len(products)}")
+    
+    # Marlin 6 ara
+    for product in products:
+        name = product.find('name')
+        if name is not None and 'MARLIN 6' in name.text:
+            print(f"Found: {name.text}")
+            
+            image_url = product.find('image_url')
+            if image_url is not None:
+                print(f"Image URL: {image_url.text}")
+                print(f"Has Image: {bool(image_url.text)}")
+            else:
+                print("Image URL element not found in XML")
+            break
+    else:
+        print("No Marlin 6 found in API")
+        
+except Exception as e:
+    print(f"Error: {e}")

test_marlin_4.py

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+#!/usr/bin/env python3
+# Test MARLIN 4 smart fallback
+
+import sys
+import os
+sys.path.append(os.path.dirname(os.path.abspath(__file__)))
+
+from combined_api_search import get_warehouse_stock_combined_api
+
+print("Testing MARLIN 4 search...")
+results = get_warehouse_stock_combined_api("marlin 4")
+
+if results:
+    for i, result in enumerate(results[:3], 1):
+        print(f"\n{i}. {result}")
+else:
+    print("No results found")