From 80668aae229d07f6404a789925ae8d2897359325 Mon Sep 17 00:00:00 2001
From: yangdx <gzdaniel@me.com>
Date: Tue, 21 Oct 2025 15:39:31 +0800
Subject: [PATCH] Improve file path truncation labels and UI consistency
MIME-Version: 1.0
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• Standardize FIFO/KEEP truncation labels
• Update UI truncation text format
---
 lightrag/operate.py                                | 14 ++++++--------
 .../src/components/graph/PropertiesView.tsx        |  2 +-
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/lightrag/operate.py b/lightrag/operate.py
index 60fa66a3..c3816cec 100644
--- a/lightrag/operate.py
+++ b/lightrag/operate.py
@@ -1650,11 +1650,12 @@ async def _merge_nodes_then_upsert(
         if limit_method == SOURCE_IDS_LIMIT_METHOD_FIFO:
             # FIFO: keep tail (newest), discard head
             file_paths_list = file_paths_list[-max_file_paths:]
+            file_paths_list.append(f"...{file_path_placeholder}...(FIFO)")
         else:
             # KEEP: keep head (earliest), discard tail
             file_paths_list = file_paths_list[:max_file_paths]
+            file_paths_list.append(f"...{file_path_placeholder}...(KEEP Old)")
 
-        file_paths_list.append(f"...{file_path_placeholder}({limit_method})...")
         logger.info(
             f"Limited `{entity_name}`: file_path {original_count_str} -> {max_file_paths} ({limit_method})"
         )
@@ -1676,7 +1677,7 @@ async def _merge_nodes_then_upsert(
         if limit_method == SOURCE_IDS_LIMIT_METHOD_FIFO:
             truncation_info = truncation_info_log
         else:
-            truncation_info = "Keep Old Chunks"
+            truncation_info = "KEEP Old"
 
     deduplicated_num = already_fragment + len(nodes_data) - num_fragment
     dd_message = ""
@@ -1971,15 +1972,12 @@ async def _merge_edges_then_upsert(
         if limit_method == SOURCE_IDS_LIMIT_METHOD_FIFO:
             # FIFO: keep tail (newest), discard head
             file_paths_list = file_paths_list[-max_file_paths:]
+            file_paths_list.append(f"...{file_path_placeholder}...(FIFO)")
         else:
             # KEEP: keep head (earliest), discard tail
             file_paths_list = file_paths_list[:max_file_paths]
+            file_paths_list.append(f"...{file_path_placeholder}...(KEEP Old)")
 
-        # Add + sign if has_placeholder is True, indicating actual file count is higher
-
-        file_paths_list.append(
-            f"...{file_path_placeholder}({limit_method}:{max_file_paths}/{original_count_str})..."
-        )
         logger.info(
             f"Limited `{src_id}`~`{tgt_id}`: file_path {original_count_str} -> {max_file_paths} ({limit_method})"
         )
@@ -2001,7 +1999,7 @@ async def _merge_edges_then_upsert(
         if limit_method == SOURCE_IDS_LIMIT_METHOD_FIFO:
             truncation_info = truncation_info_log
         else:
-            truncation_info = "Keep Old Chunks"
+            truncation_info = "KEEP Old"
 
     deduplicated_num = already_fragment + len(edges_data) - num_fragment
     dd_message = ""
diff --git a/lightrag_webui/src/components/graph/PropertiesView.tsx b/lightrag_webui/src/components/graph/PropertiesView.tsx
index 39b9a448..97411f29 100644
--- a/lightrag_webui/src/components/graph/PropertiesView.tsx
+++ b/lightrag_webui/src/components/graph/PropertiesView.tsx
@@ -222,7 +222,7 @@ const PropertyRow = ({
 
   // If this is source_id field and truncate info exists, append it to the tooltip
   if (name === 'source_id' && truncate) {
-    formattedTooltip += `\n(Truncation-${truncate})`
+    formattedTooltip += `\n(Truncated: ${truncate})`
   }
 
   // Use EditablePropertyRow for editable fields (description, entity_id and keywords)