Merge pull request #1367 from danielaskdd/add-graph-db-lock

Add graph_db_lock to ensure consistency across multiple processes for node and edge edition jobs

lightrag/api/__init__.py

@@ -1 +1 @@
-__api_version__ = "0149"
+__api_version__ = "0150"

lightrag/api/routers/graph_routes.py

@@ -2,14 +2,29 @@
 This module contains all graph-related routes for the LightRAG API.
 """
 
-from typing import Optional
+from typing import Optional, Dict, Any
-from fastapi import APIRouter, Depends, Query
+import traceback
+from fastapi import APIRouter, Depends, Query, HTTPException
+from pydantic import BaseModel
 
+from lightrag.utils import logger
 from ..utils_api import get_combined_auth_dependency
 
 router = APIRouter(tags=["graph"])
 
 
+class EntityUpdateRequest(BaseModel):
+    entity_name: str
+    updated_data: Dict[str, Any]
+    allow_rename: bool = False
+
+
+class RelationUpdateRequest(BaseModel):
+    source_id: str
+    target_id: str
+    updated_data: Dict[str, Any]
+
+
 def create_graph_routes(rag, api_key: Optional[str] = None):
     combined_auth = get_combined_auth_dependency(api_key)
 
@@ -21,7 +36,14 @@ def create_graph_routes(rag, api_key: Optional[str] = None):
         Returns:
             List[str]: List of graph labels
         """
+        try:
             return await rag.get_graph_labels()
+        except Exception as e:
+            logger.error(f"Error getting graph labels: {str(e)}")
+            logger.error(traceback.format_exc())
+            raise HTTPException(
+                status_code=500, detail=f"Error getting graph labels: {str(e)}"
+            )
 
     @router.get("/graphs", dependencies=[Depends(combined_auth)])
     async def get_knowledge_graph(
@@ -43,10 +65,109 @@ def create_graph_routes(rag, api_key: Optional[str] = None):
         Returns:
             Dict[str, List[str]]: Knowledge graph for label
         """
+        try:
             return await rag.get_knowledge_graph(
                 node_label=label,
                 max_depth=max_depth,
                 max_nodes=max_nodes,
             )
+        except Exception as e:
+            logger.error(f"Error getting knowledge graph for label '{label}': {str(e)}")
+            logger.error(traceback.format_exc())
+            raise HTTPException(
+                status_code=500, detail=f"Error getting knowledge graph: {str(e)}"
+            )
+
+    @router.get("/graph/entity/exists", dependencies=[Depends(combined_auth)])
+    async def check_entity_exists(
+        name: str = Query(..., description="Entity name to check"),
+    ):
+        """
+        Check if an entity with the given name exists in the knowledge graph
+
+        Args:
+            name (str): Name of the entity to check
+
+        Returns:
+            Dict[str, bool]: Dictionary with 'exists' key indicating if entity exists
+        """
+        try:
+            exists = await rag.chunk_entity_relation_graph.has_node(name)
+            return {"exists": exists}
+        except Exception as e:
+            logger.error(f"Error checking entity existence for '{name}': {str(e)}")
+            logger.error(traceback.format_exc())
+            raise HTTPException(
+                status_code=500, detail=f"Error checking entity existence: {str(e)}"
+            )
+
+    @router.post("/graph/entity/edit", dependencies=[Depends(combined_auth)])
+    async def update_entity(request: EntityUpdateRequest):
+        """
+        Update an entity's properties in the knowledge graph
+
+        Args:
+            request (EntityUpdateRequest): Request containing entity name, updated data, and rename flag
+
+        Returns:
+            Dict: Updated entity information
+        """
+        try:
+            result = await rag.aedit_entity(
+                entity_name=request.entity_name,
+                updated_data=request.updated_data,
+                allow_rename=request.allow_rename,
+            )
+            return {
+                "status": "success",
+                "message": "Entity updated successfully",
+                "data": result,
+            }
+        except ValueError as ve:
+            logger.error(
+                f"Validation error updating entity '{request.entity_name}': {str(ve)}"
+            )
+            raise HTTPException(status_code=400, detail=str(ve))
+        except Exception as e:
+            logger.error(f"Error updating entity '{request.entity_name}': {str(e)}")
+            logger.error(traceback.format_exc())
+            raise HTTPException(
+                status_code=500, detail=f"Error updating entity: {str(e)}"
+            )
+
+    @router.post("/graph/relation/edit", dependencies=[Depends(combined_auth)])
+    async def update_relation(request: RelationUpdateRequest):
+        """Update a relation's properties in the knowledge graph
+
+        Args:
+            request (RelationUpdateRequest): Request containing source ID, target ID and updated data
+
+        Returns:
+            Dict: Updated relation information
+        """
+        try:
+            result = await rag.aedit_relation(
+                source_entity=request.source_id,
+                target_entity=request.target_id,
+                updated_data=request.updated_data,
+            )
+            return {
+                "status": "success",
+                "message": "Relation updated successfully",
+                "data": result,
+            }
+        except ValueError as ve:
+            logger.error(
+                f"Validation error updating relation between '{request.source_id}' and '{request.target_id}': {str(ve)}"
+            )
+            raise HTTPException(status_code=400, detail=str(ve))
+        except Exception as e:
+            logger.error(
+                f"Error updating relation between '{request.source_id}' and '{request.target_id}': {str(e)}"
+            )
+            logger.error(traceback.format_exc())
+            raise HTTPException(
+                status_code=500, detail=f"Error updating relation: {str(e)}"
+            )
 
     return router

lightrag/api/webui/index.html

@@ -8,8 +8,8 @@
     <link rel="icon" type="image/svg+xml" href="logo.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Lightrag</title>
-    <script type="module" crossorigin src="/webui/assets/index-vzpYU2q3.js"></script>
+    <script type="module" crossorigin src="/webui/assets/index-CIRM3gxn.js"></script>
-    <link rel="stylesheet" crossorigin href="/webui/assets/index-CTB4Vp_z.css">
+    <link rel="stylesheet" crossorigin href="/webui/assets/index-BJDb04H1.css">
   </head>
   <body>
     <div id="root"></div>

lightrag/utils.py

@@ -893,6 +893,351 @@ def always_get_an_event_loop() -> asyncio.AbstractEventLoop:
         return new_loop
 
 
+async def aexport_data(
+    chunk_entity_relation_graph,
+    entities_vdb,
+    relationships_vdb,
+    output_path: str,
+    file_format: str = "csv",
+    include_vector_data: bool = False,
+) -> None:
+    """
+    Asynchronously exports all entities, relations, and relationships to various formats.
+
+    Args:
+        chunk_entity_relation_graph: Graph storage instance for entities and relations
+        entities_vdb: Vector database storage for entities
+        relationships_vdb: Vector database storage for relationships
+        output_path: The path to the output file (including extension).
+        file_format: Output format - "csv", "excel", "md", "txt".
+            - csv: Comma-separated values file
+            - excel: Microsoft Excel file with multiple sheets
+            - md: Markdown tables
+            - txt: Plain text formatted output
+        include_vector_data: Whether to include data from the vector database.
+    """
+    # Collect data
+    entities_data = []
+    relations_data = []
+    relationships_data = []
+
+    # --- Entities ---
+    all_entities = await chunk_entity_relation_graph.get_all_labels()
+    for entity_name in all_entities:
+        # Get entity information from graph
+        node_data = await chunk_entity_relation_graph.get_node(entity_name)
+        source_id = node_data.get("source_id") if node_data else None
+
+        entity_info = {
+            "graph_data": node_data,
+            "source_id": source_id,
+        }
+
+        # Optional: Get vector database information
+        if include_vector_data:
+            entity_id = compute_mdhash_id(entity_name, prefix="ent-")
+            vector_data = await entities_vdb.get_by_id(entity_id)
+            entity_info["vector_data"] = vector_data
+
+        entity_row = {
+            "entity_name": entity_name,
+            "source_id": source_id,
+            "graph_data": str(
+                entity_info["graph_data"]
+            ),  # Convert to string to ensure compatibility
+        }
+        if include_vector_data and "vector_data" in entity_info:
+            entity_row["vector_data"] = str(entity_info["vector_data"])
+        entities_data.append(entity_row)
+
+    # --- Relations ---
+    for src_entity in all_entities:
+        for tgt_entity in all_entities:
+            if src_entity == tgt_entity:
+                continue
+
+            edge_exists = await chunk_entity_relation_graph.has_edge(
+                src_entity, tgt_entity
+            )
+            if edge_exists:
+                # Get edge information from graph
+                edge_data = await chunk_entity_relation_graph.get_edge(
+                    src_entity, tgt_entity
+                )
+                source_id = edge_data.get("source_id") if edge_data else None
+
+                relation_info = {
+                    "graph_data": edge_data,
+                    "source_id": source_id,
+                }
+
+                # Optional: Get vector database information
+                if include_vector_data:
+                    rel_id = compute_mdhash_id(src_entity + tgt_entity, prefix="rel-")
+                    vector_data = await relationships_vdb.get_by_id(rel_id)
+                    relation_info["vector_data"] = vector_data
+
+                relation_row = {
+                    "src_entity": src_entity,
+                    "tgt_entity": tgt_entity,
+                    "source_id": relation_info["source_id"],
+                    "graph_data": str(relation_info["graph_data"]),  # Convert to string
+                }
+                if include_vector_data and "vector_data" in relation_info:
+                    relation_row["vector_data"] = str(relation_info["vector_data"])
+                relations_data.append(relation_row)
+
+    # --- Relationships (from VectorDB) ---
+    all_relationships = await relationships_vdb.client_storage
+    for rel in all_relationships["data"]:
+        relationships_data.append(
+            {
+                "relationship_id": rel["__id__"],
+                "data": str(rel),  # Convert to string for compatibility
+            }
+        )
+
+    # Export based on format
+    if file_format == "csv":
+        # CSV export
+        with open(output_path, "w", newline="", encoding="utf-8") as csvfile:
+            # Entities
+            if entities_data:
+                csvfile.write("# ENTITIES\n")
+                writer = csv.DictWriter(csvfile, fieldnames=entities_data[0].keys())
+                writer.writeheader()
+                writer.writerows(entities_data)
+                csvfile.write("\n\n")
+
+            # Relations
+            if relations_data:
+                csvfile.write("# RELATIONS\n")
+                writer = csv.DictWriter(csvfile, fieldnames=relations_data[0].keys())
+                writer.writeheader()
+                writer.writerows(relations_data)
+                csvfile.write("\n\n")
+
+            # Relationships
+            if relationships_data:
+                csvfile.write("# RELATIONSHIPS\n")
+                writer = csv.DictWriter(
+                    csvfile, fieldnames=relationships_data[0].keys()
+                )
+                writer.writeheader()
+                writer.writerows(relationships_data)
+
+    elif file_format == "excel":
+        # Excel export
+        import pandas as pd
+
+        entities_df = pd.DataFrame(entities_data) if entities_data else pd.DataFrame()
+        relations_df = (
+            pd.DataFrame(relations_data) if relations_data else pd.DataFrame()
+        )
+        relationships_df = (
+            pd.DataFrame(relationships_data) if relationships_data else pd.DataFrame()
+        )
+
+        with pd.ExcelWriter(output_path, engine="xlsxwriter") as writer:
+            if not entities_df.empty:
+                entities_df.to_excel(writer, sheet_name="Entities", index=False)
+            if not relations_df.empty:
+                relations_df.to_excel(writer, sheet_name="Relations", index=False)
+            if not relationships_df.empty:
+                relationships_df.to_excel(
+                    writer, sheet_name="Relationships", index=False
+                )
+
+    elif file_format == "md":
+        # Markdown export
+        with open(output_path, "w", encoding="utf-8") as mdfile:
+            mdfile.write("# LightRAG Data Export\n\n")
+
+            # Entities
+            mdfile.write("## Entities\n\n")
+            if entities_data:
+                # Write header
+                mdfile.write("| " + " | ".join(entities_data[0].keys()) + " |\n")
+                mdfile.write(
+                    "| " + " | ".join(["---"] * len(entities_data[0].keys())) + " |\n"
+                )
+
+                # Write rows
+                for entity in entities_data:
+                    mdfile.write(
+                        "| " + " | ".join(str(v) for v in entity.values()) + " |\n"
+                    )
+                mdfile.write("\n\n")
+            else:
+                mdfile.write("*No entity data available*\n\n")
+
+            # Relations
+            mdfile.write("## Relations\n\n")
+            if relations_data:
+                # Write header
+                mdfile.write("| " + " | ".join(relations_data[0].keys()) + " |\n")
+                mdfile.write(
+                    "| " + " | ".join(["---"] * len(relations_data[0].keys())) + " |\n"
+                )
+
+                # Write rows
+                for relation in relations_data:
+                    mdfile.write(
+                        "| " + " | ".join(str(v) for v in relation.values()) + " |\n"
+                    )
+                mdfile.write("\n\n")
+            else:
+                mdfile.write("*No relation data available*\n\n")
+
+            # Relationships
+            mdfile.write("## Relationships\n\n")
+            if relationships_data:
+                # Write header
+                mdfile.write("| " + " | ".join(relationships_data[0].keys()) + " |\n")
+                mdfile.write(
+                    "| "
+                    + " | ".join(["---"] * len(relationships_data[0].keys()))
+                    + " |\n"
+                )
+
+                # Write rows
+                for relationship in relationships_data:
+                    mdfile.write(
+                        "| "
+                        + " | ".join(str(v) for v in relationship.values())
+                        + " |\n"
+                    )
+            else:
+                mdfile.write("*No relationship data available*\n\n")
+
+    elif file_format == "txt":
+        # Plain text export
+        with open(output_path, "w", encoding="utf-8") as txtfile:
+            txtfile.write("LIGHTRAG DATA EXPORT\n")
+            txtfile.write("=" * 80 + "\n\n")
+
+            # Entities
+            txtfile.write("ENTITIES\n")
+            txtfile.write("-" * 80 + "\n")
+            if entities_data:
+                # Create fixed width columns
+                col_widths = {
+                    k: max(len(k), max(len(str(e[k])) for e in entities_data))
+                    for k in entities_data[0]
+                }
+                header = "  ".join(k.ljust(col_widths[k]) for k in entities_data[0])
+                txtfile.write(header + "\n")
+                txtfile.write("-" * len(header) + "\n")
+
+                # Write rows
+                for entity in entities_data:
+                    row = "  ".join(
+                        str(v).ljust(col_widths[k]) for k, v in entity.items()
+                    )
+                    txtfile.write(row + "\n")
+                txtfile.write("\n\n")
+            else:
+                txtfile.write("No entity data available\n\n")
+
+            # Relations
+            txtfile.write("RELATIONS\n")
+            txtfile.write("-" * 80 + "\n")
+            if relations_data:
+                # Create fixed width columns
+                col_widths = {
+                    k: max(len(k), max(len(str(r[k])) for r in relations_data))
+                    for k in relations_data[0]
+                }
+                header = "  ".join(k.ljust(col_widths[k]) for k in relations_data[0])
+                txtfile.write(header + "\n")
+                txtfile.write("-" * len(header) + "\n")
+
+                # Write rows
+                for relation in relations_data:
+                    row = "  ".join(
+                        str(v).ljust(col_widths[k]) for k, v in relation.items()
+                    )
+                    txtfile.write(row + "\n")
+                txtfile.write("\n\n")
+            else:
+                txtfile.write("No relation data available\n\n")
+
+            # Relationships
+            txtfile.write("RELATIONSHIPS\n")
+            txtfile.write("-" * 80 + "\n")
+            if relationships_data:
+                # Create fixed width columns
+                col_widths = {
+                    k: max(len(k), max(len(str(r[k])) for r in relationships_data))
+                    for k in relationships_data[0]
+                }
+                header = "  ".join(
+                    k.ljust(col_widths[k]) for k in relationships_data[0]
+                )
+                txtfile.write(header + "\n")
+                txtfile.write("-" * len(header) + "\n")
+
+                # Write rows
+                for relationship in relationships_data:
+                    row = "  ".join(
+                        str(v).ljust(col_widths[k]) for k, v in relationship.items()
+                    )
+                    txtfile.write(row + "\n")
+            else:
+                txtfile.write("No relationship data available\n\n")
+
+    else:
+        raise ValueError(
+            f"Unsupported file format: {file_format}. "
+            f"Choose from: csv, excel, md, txt"
+        )
+    if file_format is not None:
+        print(f"Data exported to: {output_path} with format: {file_format}")
+    else:
+        print("Data displayed as table format")
+
+
+def export_data(
+    chunk_entity_relation_graph,
+    entities_vdb,
+    relationships_vdb,
+    output_path: str,
+    file_format: str = "csv",
+    include_vector_data: bool = False,
+) -> None:
+    """
+    Synchronously exports all entities, relations, and relationships to various formats.
+
+    Args:
+        chunk_entity_relation_graph: Graph storage instance for entities and relations
+        entities_vdb: Vector database storage for entities
+        relationships_vdb: Vector database storage for relationships
+        output_path: The path to the output file (including extension).
+        file_format: Output format - "csv", "excel", "md", "txt".
+            - csv: Comma-separated values file
+            - excel: Microsoft Excel file with multiple sheets
+            - md: Markdown tables
+            - txt: Plain text formatted output
+        include_vector_data: Whether to include data from the vector database.
+    """
+    try:
+        loop = asyncio.get_event_loop()
+    except RuntimeError:
+        loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(loop)
+
+    loop.run_until_complete(
+        aexport_data(
+            chunk_entity_relation_graph,
+            entities_vdb,
+            relationships_vdb,
+            output_path,
+            file_format,
+            include_vector_data,
+        )
+    )
+
+
 def lazy_external_import(module_name: str, class_name: str) -> Callable[..., Any]:
     """Lazily import a class from an external module based on the package of the caller."""
     # Get the caller's module and package

lightrag_webui/src/api/lightrag.ts

@@ -507,3 +507,58 @@ export const loginToServer = async (username: string, password: string): Promise
 
   return response.data;
 }
+
+/**
+ * Updates an entity's properties in the knowledge graph
+ * @param entityName The name of the entity to update
+ * @param updatedData Dictionary containing updated attributes
+ * @param allowRename Whether to allow renaming the entity (default: false)
+ * @returns Promise with the updated entity information
+ */
+export const updateEntity = async (
+  entityName: string,
+  updatedData: Record<string, any>,
+  allowRename: boolean = false
+): Promise<DocActionResponse> => {
+  const response = await axiosInstance.post('/graph/entity/edit', {
+    entity_name: entityName,
+    updated_data: updatedData,
+    allow_rename: allowRename
+  })
+  return response.data
+}
+
+/**
+ * Updates a relation's properties in the knowledge graph
+ * @param sourceEntity The source entity name
+ * @param targetEntity The target entity name
+ * @param updatedData Dictionary containing updated attributes
+ * @returns Promise with the updated relation information
+ */
+export const updateRelation = async (
+  sourceEntity: string,
+  targetEntity: string,
+  updatedData: Record<string, any>
+): Promise<DocActionResponse> => {
+  const response = await axiosInstance.post('/graph/relation/edit', {
+    source_id: sourceEntity,
+    target_id: targetEntity,
+    updated_data: updatedData
+  })
+  return response.data
+}
+
+/**
+ * Checks if an entity name already exists in the knowledge graph
+ * @param entityName The entity name to check
+ * @returns Promise with boolean indicating if the entity exists
+ */
+export const checkEntityNameExists = async (entityName: string): Promise<boolean> => {
+  try {
+    const response = await axiosInstance.get(`/graph/entity/exists?name=${encodeURIComponent(entityName)}`)
+    return response.data.exists
+  } catch (error) {
+    console.error('Error checking entity name:', error)
+    return false
+  }
+}

lightrag_webui/src/components/graph/EditablePropertyRow.tsx

@@ -0,0 +1,117 @@
+import { useState, useEffect } from 'react'
+import { useTranslation } from 'react-i18next'
+import { toast } from 'sonner'
+import { updateEntity, updateRelation, checkEntityNameExists } from '@/api/lightrag'
+import { updateGraphNode, updateGraphEdge } from '@/utils/graphOperations'
+import { PropertyName, EditIcon, PropertyValue } from './PropertyRowComponents'
+import PropertyEditDialog from './PropertyEditDialog'
+
+/**
+ * Interface for the EditablePropertyRow component props
+ */
+interface EditablePropertyRowProps {
+  name: string                  // Property name to display and edit
+  value: any                    // Initial value of the property
+  onClick?: () => void          // Optional click handler for the property value
+  entityId?: string             // ID of the entity (for node type)
+  entityType?: 'node' | 'edge'  // Type of graph entity
+  sourceId?: string            // Source node ID (for edge type)
+  targetId?: string            // Target node ID (for edge type)
+  onValueChange?: (newValue: any) => void  // Optional callback when value changes
+  isEditable?: boolean         // Whether this property can be edited
+}
+
+/**
+ * EditablePropertyRow component that supports editing property values
+ * This component is used in the graph properties panel to display and edit entity properties
+ */
+const EditablePropertyRow = ({
+  name,
+  value: initialValue,
+  onClick,
+  entityId,
+  entityType,
+  sourceId,
+  targetId,
+  onValueChange,
+  isEditable = false
+}: EditablePropertyRowProps) => {
+  const { t } = useTranslation()
+  const [isEditing, setIsEditing] = useState(false)
+  const [isSubmitting, setIsSubmitting] = useState(false)
+  const [currentValue, setCurrentValue] = useState(initialValue)
+
+  useEffect(() => {
+    setCurrentValue(initialValue)
+  }, [initialValue])
+
+  const handleEditClick = () => {
+    if (isEditable && !isEditing) {
+      setIsEditing(true)
+    }
+  }
+
+  const handleCancel = () => {
+    setIsEditing(false)
+  }
+
+  const handleSave = async (value: string) => {
+    if (isSubmitting || value === String(currentValue)) {
+      setIsEditing(false)
+      return
+    }
+
+    setIsSubmitting(true)
+
+    try {
+      if (entityType === 'node' && entityId) {
+        let updatedData = { [name]: value }
+
+        if (name === 'entity_id') {
+          const exists = await checkEntityNameExists(value)
+          if (exists) {
+            toast.error(t('graphPanel.propertiesView.errors.duplicateName'))
+            return
+          }
+          updatedData = { 'entity_name': value }
+        }
+
+        await updateEntity(entityId, updatedData, true)
+        await updateGraphNode(entityId, name, value)
+        toast.success(t('graphPanel.propertiesView.success.entityUpdated'))
+      } else if (entityType === 'edge' && sourceId && targetId) {
+        const updatedData = { [name]: value }
+        await updateRelation(sourceId, targetId, updatedData)
+        await updateGraphEdge(sourceId, targetId, name, value)
+        toast.success(t('graphPanel.propertiesView.success.relationUpdated'))
+      }
+
+      setIsEditing(false)
+      setCurrentValue(value)
+      onValueChange?.(value)
+    } catch (error) {
+      console.error('Error updating property:', error)
+      toast.error(t('graphPanel.propertiesView.errors.updateFailed'))
+    } finally {
+      setIsSubmitting(false)
+    }
+  }
+
+  return (
+    <div className="flex items-center gap-1">
+      <PropertyName name={name} />
+      <EditIcon onClick={handleEditClick} />:
+      <PropertyValue value={currentValue} onClick={onClick} />
+      <PropertyEditDialog
+        isOpen={isEditing}
+        onClose={handleCancel}
+        onSave={handleSave}
+        propertyName={name}
+        initialValue={String(currentValue)}
+        isSubmitting={isSubmitting}
+      />
+    </div>
+  )
+}
+
+export default EditablePropertyRow

lightrag_webui/src/components/graph/GraphControl.tsx

@@ -99,8 +99,11 @@ const GraphControl = ({ disableHoverEffect }: { disableHoverEffect?: boolean })
     const events: Record<string, any> = {
       enterNode: (event: NodeEvent) => {
         if (!isButtonPressed(event.event.original)) {
+          const graph = sigma.getGraph()
+          if (graph.hasNode(event.node)) {
             setFocusedNode(event.node)
           }
+        }
       },
       leaveNode: (event: NodeEvent) => {
         if (!isButtonPressed(event.event.original)) {
@@ -108,8 +111,11 @@ const GraphControl = ({ disableHoverEffect }: { disableHoverEffect?: boolean })
         }
       },
       clickNode: (event: NodeEvent) => {
+        const graph = sigma.getGraph()
+        if (graph.hasNode(event.node)) {
           setSelectedNode(event.node)
           setSelectedEdge(null)
+        }
       },
       clickStage: () => clearSelection()
     }

lightrag_webui/src/components/graph/PropertiesView.tsx

@@ -5,6 +5,7 @@ import Button from '@/components/ui/Button'
 import useLightragGraph from '@/hooks/useLightragGraph'
 import { useTranslation } from 'react-i18next'
 import { GitBranchPlus, Scissors } from 'lucide-react'
+import EditablePropertyRow from './EditablePropertyRow'
 
 /**
  * Component that view properties of elements in graph.
@@ -169,12 +170,22 @@ const PropertyRow = ({
   name,
   value,
   onClick,
-  tooltip
+  tooltip,
+  entityId,
+  entityType,
+  sourceId,
+  targetId,
+  isEditable = false
 }: {
   name: string
   value: any
   onClick?: () => void
   tooltip?: string
+  entityId?: string
+  entityType?: 'node' | 'edge'
+  sourceId?: string
+  targetId?: string
+  isEditable?: boolean
 }) => {
   const { t } = useTranslation()
 
@@ -184,8 +195,23 @@ const PropertyRow = ({
     return translation === translationKey ? name : translation
   }
 
-  // Since Text component uses a label internally, we'll use a span here instead of a label
+  // Use EditablePropertyRow for editable fields (description, entity_id and keywords)
-  // to avoid nesting labels which is not recommended for accessibility
+  if (isEditable && (name === 'description' || name === 'entity_id' || name === 'keywords')) {
+    return (
+      <EditablePropertyRow
+        name={name}
+        value={value}
+        onClick={onClick}
+        entityId={entityId}
+        entityType={entityType}
+        sourceId={sourceId}
+        targetId={targetId}
+        isEditable={true}
+      />
+    )
+  }
+
+  // For non-editable fields, use the regular Text component
   return (
     <div className="flex items-center gap-2">
       <span className="text-primary/60 tracking-wide whitespace-nowrap">{getPropertyNameTranslation(name)}</span>:
@@ -253,7 +279,16 @@ const NodePropertiesView = ({ node }: { node: NodeType }) => {
         {Object.keys(node.properties)
           .sort()
           .map((name) => {
-            return <PropertyRow key={name} name={name} value={node.properties[name]} />
+            return (
+              <PropertyRow
+                key={name}
+                name={name}
+                value={node.properties[name]}
+                entityId={node.properties['entity_id'] || node.id}
+                entityType="node"
+                isEditable={name === 'description' || name === 'entity_id'}
+              />
+            )
           })}
       </div>
       {node.relationships.length > 0 && (
@@ -309,7 +344,18 @@ const EdgePropertiesView = ({ edge }: { edge: EdgeType }) => {
         {Object.keys(edge.properties)
           .sort()
           .map((name) => {
-            return <PropertyRow key={name} name={name} value={edge.properties[name]} />
+            return (
+              <PropertyRow
+                key={name}
+                name={name}
+                value={edge.properties[name]}
+                entityId={edge.id}
+                entityType="edge"
+                sourceId={edge.source}
+                targetId={edge.target}
+                isEditable={name === 'description' || name === 'keywords'}
+              />
+            )
           })}
       </div>
     </div>

lightrag_webui/src/components/graph/PropertyEditDialog.tsx

@@ -0,0 +1,152 @@
+import { useState, useEffect } from 'react'
+import { useTranslation } from 'react-i18next'
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+  DialogFooter,
+  DialogDescription
+} from '@/components/ui/Dialog'
+import Button from '@/components/ui/Button'
+
+interface PropertyEditDialogProps {
+  isOpen: boolean
+  onClose: () => void
+  onSave: (value: string) => void
+  propertyName: string
+  initialValue: string
+  isSubmitting?: boolean
+}
+
+/**
+ * Dialog component for editing property values
+ * Provides a modal with a title, multi-line text input, and save/cancel buttons
+ */
+const PropertyEditDialog = ({
+  isOpen,
+  onClose,
+  onSave,
+  propertyName,
+  initialValue,
+  isSubmitting = false
+}: PropertyEditDialogProps) => {
+  const { t } = useTranslation()
+  const [value, setValue] = useState('')
+
+  // Initialize value when dialog opens
+  useEffect(() => {
+    if (isOpen) {
+      setValue(initialValue)
+    }
+  }, [isOpen, initialValue])
+
+  // Get translated property name
+  const getPropertyNameTranslation = (name: string) => {
+    const translationKey = `graphPanel.propertiesView.node.propertyNames.${name}`
+    const translation = t(translationKey)
+    return translation === translationKey ? name : translation
+  }
+
+  // Get textarea configuration based on property name
+  const getTextareaConfig = (propertyName: string) => {
+    switch (propertyName) {
+    case 'description':
+      return {
+        // No rows attribute for description to allow auto-sizing
+        className: 'max-h-[50vh] min-h-[10em] resize-y', // Maximum height 70% of viewport, minimum height ~20 lines, allow vertical resizing
+        style: {
+          height: '70vh', // Set initial height to 70% of viewport
+          minHeight: '20em', // Minimum height ~20 lines
+          resize: 'vertical' as const // Allow vertical resizing, using 'as const' to fix type
+        }
+      };
+    case 'entity_id':
+      return {
+        rows: 2,
+        className: '',
+        style: {}
+      };
+    case 'keywords':
+      return {
+        rows: 4,
+        className: '',
+        style: {}
+      };
+    default:
+      return {
+        rows: 5,
+        className: '',
+        style: {}
+      };
+    }
+  };
+
+  const handleSave = () => {
+    if (value.trim() !== '') {
+      onSave(value)
+      onClose()
+    }
+  }
+
+  return (
+    <Dialog open={isOpen} onOpenChange={(open) => !open && onClose()}>
+      <DialogContent className="sm:max-w-md">
+        <DialogHeader>
+          <DialogTitle>
+            {t('graphPanel.propertiesView.editProperty', {
+              property: getPropertyNameTranslation(propertyName)
+            })}
+          </DialogTitle>
+          <DialogDescription>
+            {t('graphPanel.propertiesView.editPropertyDescription')}
+          </DialogDescription>
+        </DialogHeader>
+
+        {/* Multi-line text input using textarea */}
+        <div className="grid gap-4 py-4">
+          {(() => {
+            const config = getTextareaConfig(propertyName);
+            return propertyName === 'description' ? (
+              <textarea
+                value={value}
+                onChange={(e) => setValue(e.target.value)}
+                className={`border-input focus-visible:ring-ring flex w-full rounded-md border bg-transparent px-3 py-2 text-sm shadow-sm transition-colors focus-visible:ring-1 focus-visible:outline-none disabled:cursor-not-allowed disabled:opacity-50 ${config.className}`}
+                style={config.style}
+                disabled={isSubmitting}
+              />
+            ) : (
+              <textarea
+                value={value}
+                onChange={(e) => setValue(e.target.value)}
+                rows={config.rows}
+                className={`border-input focus-visible:ring-ring flex w-full rounded-md border bg-transparent px-3 py-2 text-sm shadow-sm transition-colors focus-visible:ring-1 focus-visible:outline-none disabled:cursor-not-allowed disabled:opacity-50 ${config.className}`}
+                disabled={isSubmitting}
+              />
+            );
+          })()}
+        </div>
+
+        <DialogFooter>
+          <Button
+            type="button"
+            variant="outline"
+            onClick={onClose}
+            disabled={isSubmitting}
+          >
+            {t('common.cancel')}
+          </Button>
+          <Button
+            type="button"
+            onClick={handleSave}
+            disabled={isSubmitting}
+          >
+            {t('common.save')}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  )
+}
+
+export default PropertyEditDialog

lightrag_webui/src/components/graph/PropertyRowComponents.tsx

@@ -0,0 +1,53 @@
+import { PencilIcon } from 'lucide-react'
+import Text from '@/components/ui/Text'
+import { useTranslation } from 'react-i18next'
+
+interface PropertyNameProps {
+  name: string
+}
+
+export const PropertyName = ({ name }: PropertyNameProps) => {
+  const { t } = useTranslation()
+
+  const getPropertyNameTranslation = (propName: string) => {
+    const translationKey = `graphPanel.propertiesView.node.propertyNames.${propName}`
+    const translation = t(translationKey)
+    return translation === translationKey ? propName : translation
+  }
+
+  return (
+    <span className="text-primary/60 tracking-wide whitespace-nowrap">
+      {getPropertyNameTranslation(name)}
+    </span>
+  )
+}
+
+interface EditIconProps {
+  onClick: () => void
+}
+
+export const EditIcon = ({ onClick }: EditIconProps) => (
+  <div>
+    <PencilIcon
+      className="h-3 w-3 text-gray-500 hover:text-gray-700 cursor-pointer"
+      onClick={onClick}
+    />
+  </div>
+)
+
+interface PropertyValueProps {
+  value: any
+  onClick?: () => void
+}
+
+export const PropertyValue = ({ value, onClick }: PropertyValueProps) => (
+  <div className="flex items-center gap-1">
+    <Text
+      className="hover:bg-primary/20 rounded p-1 overflow-hidden text-ellipsis"
+      tooltipClassName="max-w-80"
+      text={value}
+      side="left"
+      onClick={onClick}
+    />
+  </div>
+)

lightrag_webui/src/locales/ar.json

@@ -33,7 +33,8 @@
     "guestMode": "وضع بدون تسجيل دخول"
   },
   "common": {
-    "cancel": "إلغاء"
+    "cancel": "إلغاء",
+    "save": "حفظ"
   },
   "documentPanel": {
     "clearDocuments": {
@@ -236,6 +237,17 @@
       "vectorStorage": "تخزين المتجهات"
     },
     "propertiesView": {
+      "editProperty": "تعديل {{property}}",
+      "editPropertyDescription": "قم بتحرير قيمة الخاصية في منطقة النص أدناه.",
+      "errors": {
+        "duplicateName": "اسم العقدة موجود بالفعل",
+        "updateFailed": "فشل تحديث العقدة",
+        "tryAgainLater": "يرجى المحاولة مرة أخرى لاحقًا"
+      },
+      "success": {
+        "entityUpdated": "تم تحديث العقدة بنجاح",
+        "relationUpdated": "تم تحديث العلاقة بنجاح"
+      },
       "node": {
         "title": "عقدة",
         "id": "المعرف",

lightrag_webui/src/locales/en.json

@@ -33,7 +33,8 @@
     "guestMode": "Login Free"
   },
   "common": {
-    "cancel": "Cancel"
+    "cancel": "Cancel",
+    "save": "Save"
   },
   "documentPanel": {
     "clearDocuments": {
@@ -156,6 +157,7 @@
       "animal": "Animal",
       "unknown": "Unknown",
       "object": "Object",
+      "group": "Group",
       "technology": "Technology"
     },
     "sideBar": {
@@ -235,6 +237,17 @@
       "vectorStorage": "Vector Storage"
     },
     "propertiesView": {
+      "editProperty": "Edit {{property}}",
+      "editPropertyDescription": "Edit the property value in the text area below.",
+      "errors": {
+        "duplicateName": "Node name already exists",
+        "updateFailed": "Failed to update node",
+        "tryAgainLater": "Please try again later"
+      },
+      "success": {
+        "entityUpdated": "Node updated successfully",
+        "relationUpdated": "Relation updated successfully"
+      },
       "node": {
         "title": "Node",
         "id": "ID",

lightrag_webui/src/locales/fr.json

@@ -33,7 +33,8 @@
     "guestMode": "Mode sans connexion"
   },
   "common": {
-    "cancel": "Annuler"
+    "cancel": "Annuler",
+    "save": "Sauvegarder"
   },
   "documentPanel": {
     "clearDocuments": {
@@ -236,6 +237,17 @@
       "vectorStorage": "Stockage vectoriel"
     },
     "propertiesView": {
+      "editProperty": "Modifier {{property}}",
+      "editPropertyDescription": "Modifiez la valeur de la propriété dans la zone de texte ci-dessous.",
+      "errors": {
+        "duplicateName": "Le nom du nœud existe déjà",
+        "updateFailed": "Échec de la mise à jour du nœud",
+        "tryAgainLater": "Veuillez réessayer plus tard"
+      },
+      "success": {
+        "entityUpdated": "Nœud mis à jour avec succès",
+        "relationUpdated": "Relation mise à jour avec succès"
+      },
       "node": {
         "title": "Nœud",
         "id": "ID",

lightrag_webui/src/locales/zh.json

@@ -33,7 +33,8 @@
     "guestMode": "无需登陆"
   },
   "common": {
-    "cancel": "取消"
+    "cancel": "取消",
+    "save": "保存"
   },
   "documentPanel": {
     "clearDocuments": {
@@ -236,6 +237,17 @@
       "vectorStorage": "向量存储"
     },
     "propertiesView": {
+      "editProperty": "编辑{{property}}",
+      "editPropertyDescription": "在下方文本区域编辑属性值。",
+      "errors": {
+        "duplicateName": "节点名称已存在",
+        "updateFailed": "更新节点失败",
+        "tryAgainLater": "请稍后重试"
+      },
+      "success": {
+        "entityUpdated": "节点更新成功",
+        "relationUpdated": "关系更新成功"
+      },
       "node": {
         "title": "节点",
         "id": "ID",

lightrag_webui/src/locales/zh_TW.json

@@ -33,7 +33,8 @@
       "guestMode": "免登入"
     },
     "common": {
-      "cancel": "取消"
+      "cancel": "取消",
+      "save": "儲存"
     },
     "documentPanel": {
       "clearDocuments": {
@@ -236,6 +237,17 @@
         "vectorStorage": "向量儲存"
       },
       "propertiesView": {
+        "editProperty": "編輯{{property}}",
+        "editPropertyDescription": "在下方文字區域編輯屬性值。",
+        "errors": {
+          "duplicateName": "節點名稱已存在",
+          "updateFailed": "更新節點失敗",
+          "tryAgainLater": "請稍後重試"
+        },
+        "success": {
+          "entityUpdated": "節點更新成功",
+          "relationUpdated": "關係更新成功"
+        },
         "node": {
           "title": "節點",
           "id": "ID",
@@ -296,13 +308,14 @@
         "parametersTitle": "參數",
         "parametersDescription": "設定查詢參數",
         "queryMode": "查詢模式",
-        "queryModeTooltip": "選擇檢索策略：\n• Naive：基礎搜尋，無進階技術\n• Local：上下文相關資訊檢索\n• Global：利用全域知識庫\n• Hybrid：結合本地和全域檢索\n• Mix：整合知識圖譜和向量檢索",
+        "queryModeTooltip": "選擇檢索策略：\n• Naive：基礎搜尋，無進階技術\n• Local：上下文相關資訊檢索\n• Global：利用全域知識庫\n• Hybrid：結合本地和全域檢索\n• Mix：整合知識圖譜和向量檢索\n• Bypass：直接傳遞查詢到LLM，不進行檢索",
         "queryModeOptions": {
           "naive": "Naive",
           "local": "Local",
           "global": "Global",
           "hybrid": "Hybrid",
-          "mix": "Mix"
+          "mix": "Mix",
+          "bypass": "Bypass"
         },
         "responseFormat": "回應格式",
         "responseFormatTooltip": "定義回應格式。例如：\n• 多段落\n• 單段落\n• 重點",

lightrag_webui/src/stores/graph.ts

@@ -116,6 +116,10 @@ interface GraphState {
   // Node operation state
   nodeToExpand: string | null
   nodeToPrune: string | null
+
+  // Version counter to trigger data refresh
+  graphDataVersion: number
+  incrementGraphDataVersion: () => void
 }
 
 const useGraphStoreBase = create<GraphState>()((set) => ({
@@ -219,6 +223,10 @@ const useGraphStoreBase = create<GraphState>()((set) => ({
   triggerNodeExpand: (nodeId: string | null) => set({ nodeToExpand: nodeId }),
   triggerNodePrune: (nodeId: string | null) => set({ nodeToPrune: nodeId }),
 
+  // Version counter implementation
+  graphDataVersion: 0,
+  incrementGraphDataVersion: () => set((state) => ({ graphDataVersion: state.graphDataVersion + 1 })),
+
 }))
 
 const useGraphStore = createSelectors(useGraphStoreBase)

lightrag_webui/src/utils/graphOperations.ts

@@ -0,0 +1,175 @@
+import { useGraphStore } from '@/stores/graph'
+
+/**
+ * Interface for tracking edges that need updating when a node ID changes
+ */
+interface EdgeToUpdate {
+  originalDynamicId: string
+  newEdgeId: string
+  edgeIndex: number
+}
+
+/**
+ * Update node in the graph visualization
+ * Handles both property updates and entity ID changes
+ *
+ * @param nodeId - ID of the node to update
+ * @param propertyName - Name of the property being updated
+ * @param newValue - New value for the property
+ */
+export const updateGraphNode = async (nodeId: string, propertyName: string, newValue: string) => {
+  // Get graph state from store
+  const sigmaGraph = useGraphStore.getState().sigmaGraph
+  const rawGraph = useGraphStore.getState().rawGraph
+
+  // Validate graph state
+  if (!sigmaGraph || !rawGraph || !sigmaGraph.hasNode(String(nodeId))) {
+    return
+  }
+
+  try {
+    const nodeAttributes = sigmaGraph.getNodeAttributes(String(nodeId))
+
+    // Special handling for entity_id changes (node renaming)
+    if (propertyName === 'entity_id') {
+      // Create new node with updated ID but same attributes
+      sigmaGraph.addNode(newValue, { ...nodeAttributes, label: newValue })
+
+      const edgesToUpdate: EdgeToUpdate[] = []
+
+      // Process all edges connected to this node
+      sigmaGraph.forEachEdge(String(nodeId), (edge, attributes, source, target) => {
+        const otherNode = source === String(nodeId) ? target : source
+        const isOutgoing = source === String(nodeId)
+
+        // Get original edge dynamic ID for later reference
+        const originalEdgeDynamicId = edge
+        const edgeIndexInRawGraph = rawGraph.edgeDynamicIdMap[originalEdgeDynamicId]
+
+        // Create new edge with updated node reference
+        const newEdgeId = sigmaGraph.addEdge(
+          isOutgoing ? newValue : otherNode,
+          isOutgoing ? otherNode : newValue,
+          attributes
+        )
+
+        // Track edges that need updating in the raw graph
+        if (edgeIndexInRawGraph !== undefined) {
+          edgesToUpdate.push({
+            originalDynamicId: originalEdgeDynamicId,
+            newEdgeId: newEdgeId,
+            edgeIndex: edgeIndexInRawGraph
+          })
+        }
+
+        // Remove the old edge
+        sigmaGraph.dropEdge(edge)
+      })
+
+      // Remove the old node after all edges are processed
+      sigmaGraph.dropNode(String(nodeId))
+
+      // Update node reference in raw graph data
+      const nodeIndex = rawGraph.nodeIdMap[String(nodeId)]
+      if (nodeIndex !== undefined) {
+        rawGraph.nodes[nodeIndex].id = newValue
+        rawGraph.nodes[nodeIndex].properties.entity_id = newValue
+        delete rawGraph.nodeIdMap[String(nodeId)]
+        rawGraph.nodeIdMap[newValue] = nodeIndex
+      }
+
+      // Update all edge references in raw graph data
+      edgesToUpdate.forEach(({ originalDynamicId, newEdgeId, edgeIndex }) => {
+        if (rawGraph.edges[edgeIndex]) {
+          // Update source/target references
+          if (rawGraph.edges[edgeIndex].source === String(nodeId)) {
+            rawGraph.edges[edgeIndex].source = newValue
+          }
+          if (rawGraph.edges[edgeIndex].target === String(nodeId)) {
+            rawGraph.edges[edgeIndex].target = newValue
+          }
+
+          // Update dynamic ID mappings
+          rawGraph.edges[edgeIndex].dynamicId = newEdgeId
+          delete rawGraph.edgeDynamicIdMap[originalDynamicId]
+          rawGraph.edgeDynamicIdMap[newEdgeId] = edgeIndex
+        }
+      })
+
+      // Update selected node in store
+      useGraphStore.getState().setSelectedNode(newValue)
+    } else {
+      // For other properties, just update the property in raw graph
+      const nodeIndex = rawGraph.nodeIdMap[String(nodeId)]
+      if (nodeIndex !== undefined) {
+        rawGraph.nodes[nodeIndex].properties[propertyName] = newValue
+      }
+    }
+  } catch (error) {
+    console.error('Error updating node in graph:', error)
+    throw new Error('Failed to update node in graph')
+  }
+}
+
+/**
+ * Update edge in the graph visualization
+ *
+ * @param sourceId - ID of the source node
+ * @param targetId - ID of the target node
+ * @param propertyName - Name of the property being updated
+ * @param newValue - New value for the property
+ */
+export const updateGraphEdge = async (sourceId: string, targetId: string, propertyName: string, newValue: string) => {
+  // Get graph state from store
+  const sigmaGraph = useGraphStore.getState().sigmaGraph
+  const rawGraph = useGraphStore.getState().rawGraph
+
+  // Validate graph state
+  if (!sigmaGraph || !rawGraph) {
+    return
+  }
+
+  try {
+    // Find the edge between source and target nodes
+    const allEdges = sigmaGraph.edges()
+    let keyToUse = null
+
+    for (const edge of allEdges) {
+      const edgeSource = sigmaGraph.source(edge)
+      const edgeTarget = sigmaGraph.target(edge)
+
+      // Match edge in either direction (undirected graph support)
+      if ((edgeSource === sourceId && edgeTarget === targetId) ||
+          (edgeSource === targetId && edgeTarget === sourceId)) {
+        keyToUse = edge
+        break
+      }
+    }
+
+    if (keyToUse !== null) {
+      // Special handling for keywords property (updates edge label)
+      if(propertyName === 'keywords') {
+        sigmaGraph.setEdgeAttribute(keyToUse, 'label', newValue)
+      } else {
+        sigmaGraph.setEdgeAttribute(keyToUse, propertyName, newValue)
+      }
+
+      // Update edge in raw graph data using dynamic ID mapping
+      if (keyToUse && rawGraph.edgeDynamicIdMap[keyToUse] !== undefined) {
+        const edgeIndex = rawGraph.edgeDynamicIdMap[keyToUse]
+        if (rawGraph.edges[edgeIndex]) {
+          rawGraph.edges[edgeIndex].properties[propertyName] = newValue
+        }
+      } else if (keyToUse !== null) {
+        // Fallback: try to find edge by key in edge ID map
+        const edgeIndexByKey = rawGraph.edgeIdMap[keyToUse]
+        if (edgeIndexByKey !== undefined && rawGraph.edges[edgeIndexByKey]) {
+          rawGraph.edges[edgeIndexByKey].properties[propertyName] = newValue
+        }
+      }
+    }
+  } catch (error) {
+    console.error(`Error updating edge ${sourceId}->${targetId} in graph:`, error)
+    throw new Error('Failed to update edge in graph')
+  }
+}