Update app.py

app.py

@@ -122,11 +122,12 @@ def call_gpt5_for_metadata(title: str, short_text: str, top_chunks: List[str]) -
     # Call using new client
     try:
         resp = client.chat.completions.create(
-            model=LLM_MODEL,
-            messages=[{"role": "user", "content": prompt}],
-            temperature=0.0,
-            max_completion_tokens=1000,
-        )
+                model=LLM_MODEL,
+                messages=[{"role": "user", "content": prompt}],
+                max_completion_tokens=1500,
+                seed=42,   # optional: for reproducibility
+            )
+        
     except Exception as e:
         return {"_api_error": True, "error": f"OpenAI API call failed: {e}"}