Updated explainer logs

app.py

@@ -80,7 +80,7 @@ def explain(req: ExplainRequest):
         "Content-Type": "application/json"
     }
     payload = {
-        "model": "openai/gpt-oss-120b:free",
+        "model": req.model_id,
         "messages": [
             {"role": "system", "content": system_prompt},
             {"role": "user", "content": user_message}
@@ -88,7 +88,7 @@ def explain(req: ExplainRequest):
     }
 
     try:
-        logger.info(f"Calling OpenRouter /explain with model: arcee-ai/trinity-large-preview:free")
+        logger.info(f"Calling OpenRouter /explain with model: {req.model_id}")
         response = requests.post(url, headers=headers, json=payload, timeout=20)
         response.raise_for_status()
         result = response.json()