Fix else clause indentation at line 153 - align with if stream

src/llm_router.py

@@ -150,7 +150,7 @@ class LLMRouter:
                 response_text = self._clean_reasoning_tags(response_text)
                 logger.info(f"Novita AI API generated response (length: {len(response_text)})")
                 return response_text
-                    else:
+            else:
                 # Handle non-streaming response
                 response = self.novita_client.chat.completions.create(**request_params)