Update model_api.py

model_api.py

@@ -15,7 +15,7 @@ def query_model(prompt):
                 {"role": "system", "content": "You are a certified professional fitness trainer."},
                 {"role": "user", "content": prompt}
             ],
-            max_tokens=2200,      # increase slightly
+            max_tokens=2400,      # increase slightly
             temperature=0.6,      # lower randomness
             top_p=0.9
         )