Fix IndentationError: correct else clause alignment - ensure else aligns with if stream

src/llm_router.py

@@ -149,7 +149,7 @@ 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)
                 
@@ -159,7 +159,7 @@ class LLMRouter:
                     result = self._clean_reasoning_tags(result)
                     logger.info(f"Novita AI API generated response (length: {len(result)})")
                     return result
-                    else:
+                else:
                     logger.error("Novita AI API returned empty response")
                     return None