GPT-5 boş string parsing hatası düzeltildi - daha sağlam error handling

smart_warehouse_with_price.py

@@ -190,8 +190,14 @@ IMPORTANT BRAND AND PRODUCT TYPE RULES:
 Products list (with warehouse availability):
 {json.dumps(products_summary, ensure_ascii=False, indent=2)}
 
-Return index numbers of ALL matching products as comma-separated list (e.g., "5,8,12,15").
-If no products found, return: -1"""
+Return ONLY index numbers of ALL matching products as comma-separated list (e.g., "5,8,12,15").
+If no products found, return ONLY: -1
+DO NOT return empty string or any explanation, ONLY numbers or -1
+
+Examples of correct responses:
+- "2,5,8,12,15,20" (multiple products found)
+- "45" (single product found)  
+- "-1" (no products found)"""
 
     headers = {
         "Content-Type": "application/json",
@@ -220,11 +226,19 @@ If no products found, return: -1"""
             result = response.json()
             indices_str = result['choices'][0]['message']['content'].strip()
             
-            if indices_str == "-1":
+            print(f"DEBUG - GPT-5 returned: '{indices_str}'")
+            
+            # Handle empty response
+            if not indices_str or indices_str == "-1":
                 return ["Ürün bulunamadı"]
             
             try:
-                indices = [int(idx.strip()) for idx in indices_str.split(',')]
+                # Filter out empty strings and parse indices
+                indices = []
+                for idx in indices_str.split(','):
+                    idx = idx.strip()
+                    if idx and idx.isdigit():
+                        indices.append(int(idx))
                 
                 # Collect all matching products with price/link
                 all_variants = []