feat: add additional context variables to document split node

Author: liuruibin

apps/application/flow/step_node/document_split_node/impl/base_document_split_node.py

@@ -85,6 +85,11 @@ def execute(self, document_list, knowledge_id, split_strategy, paragraph_title_r
             paragraph_list += results
 
         self.context['paragraph_list'] = paragraph_list
+        self.context['limit'] = limit
+        self.context['chunk_size'] = chunk_size
+        self.context['with_filter'] = with_filter
+        self.context['patterns'] = patterns
+        self.context['split_strategy'] = split_strategy
 
         return NodeResult({'paragraph_list': paragraph_list}, {})
 
@@ -160,4 +165,9 @@ def get_details(self, index: int, **kwargs):
             'status': self.status,
             'err_message': self.err_message,
             'paragraph_list': self.context.get('paragraph_list', []),
+            'limit': self.context.get('limit'),
+            'chunk_size': self.context.get('chunk_size'),
+            'with_filter': self.context.get('with_filter'),
+            'patterns': self.context.get('patterns'),
+            'split_strategy': self.context.get('split_strategy'),
         }