Add env FORCE_LLM_SUMMARY_ON_MERGE

env.example

@@ -43,11 +43,15 @@ WEBUI_DESCRIPTION="Simple and Fast Graph Based RAG System"
 SUMMARY_LANGUAGE=English
 # CHUNK_SIZE=1200
 # CHUNK_OVERLAP_SIZE=100
-### Max tokens for entity or relations summary
-# MAX_TOKEN_SUMMARY=500
+
 ### Number of parallel processing documents in one patch
 # MAX_PARALLEL_INSERT=2
 
+### Max tokens for entity/relations description after merge
+# MAX_TOKEN_SUMMARY=500
+### Number of entities/edges to trigger LLM re-summary on merge ( at least 3 is recommented)
+# FORCE_LLM_SUMMARY_ON_MERGE=6
+
 ### Num of chunks send to Embedding in single request
 # EMBEDDING_BATCH_NUM=32
 ### Max concurrency requests for Embedding