[autofix.ci] apply automated fixes

api/core/workflow/nodes/knowledge_index/knowledge_index_node.py

@@ -385,7 +385,7 @@ class KnowledgeIndexNode(Node[KnowledgeIndexNodeData]):
             # Set a reasonable timeout to prevent hanging (60 seconds per chunk, max 5 minutes total)
             timeout_seconds = min(300, 60 * len(preview_output["preview"]))
             errors: list[Exception] = []
-            
+
             with concurrent.futures.ThreadPoolExecutor(max_workers=min(10, len(preview_output["preview"]))) as executor:
                 futures = [
                     executor.submit(generate_summary_for_chunk, preview_item)

api/core/workflow/nodes/knowledge_retrieval/knowledge_retrieval_node.py

@@ -419,7 +419,7 @@ class KnowledgeRetrievalNode(LLMUsageTrackingMixin, Node[KnowledgeRetrievalNodeD
                             source["content"] = f"question:{segment.get_sign_content()} \nanswer:{segment.answer}"
                         else:
                             source["content"] = segment.get_sign_content()
-                        # Add summary if available 
+                        # Add summary if available
                         if record.summary:
                             source["summary"] = record.summary
                         retrieval_resource_list.append(source)

api/core/workflow/nodes/llm/node.py

@@ -748,7 +748,7 @@ class LLMNode(Node[LLMNodeData]):
                 page=metadata.get("page"),
                 doc_metadata=metadata.get("doc_metadata"),
                 files=context_dict.get("files"),
-                summary=context_dict.get("summary"), 
+                summary=context_dict.get("summary"),
             )
 
             return source