Merge branch 'feat/queue-based-graph-engine' into feat/rag-2

# Conflicts:
#	api/core/memory/token_buffer_memory.py
#	api/core/rag/extractor/notion_extractor.py
#	api/core/repositories/sqlalchemy_workflow_node_execution_repository.py
#	api/core/variables/variables.py
#	api/core/workflow/graph/graph.py
#	api/core/workflow/graph_engine/entities/event.py
#	api/services/dataset_service.py
#	web/app/components/app-sidebar/index.tsx
#	web/app/components/base/tag-management/selector.tsx
#	web/app/components/base/toast/index.tsx
#	web/app/components/datasets/create/website/index.tsx
#	web/app/components/datasets/create/website/jina-reader/base/options-wrap.tsx
#	web/app/components/workflow/header/version-history-button.tsx
#	web/app/components/workflow/hooks/use-inspect-vars-crud-common.ts
#	web/app/components/workflow/hooks/use-workflow-interactions.ts
#	web/app/components/workflow/panel/version-history-panel/index.tsx
#	web/service/base.ts

api/core/callback_handler/index_tool_callback_handler.py

@@ -1,6 +1,8 @@
 import logging
 from collections.abc import Sequence
 
+from sqlalchemy import select
+
 from core.app.apps.base_app_queue_manager import AppQueueManager, PublishFrom
 from core.app.entities.app_invoke_entities import InvokeFrom
 from core.app.entities.queue_entities import QueueRetrieverResourcesEvent
@@ -49,7 +51,8 @@ class DatasetIndexToolCallbackHandler:
         for document in documents:
             if document.metadata is not None:
                 document_id = document.metadata["document_id"]
-                dataset_document = db.session.query(DatasetDocument).where(DatasetDocument.id == document_id).first()
+                dataset_document_stmt = select(DatasetDocument).where(DatasetDocument.id == document_id)
+                dataset_document = db.session.scalar(dataset_document_stmt)
                 if not dataset_document:
                     _logger.warning(
                         "Expected DatasetDocument record to exist, but none was found, document_id=%s",
@@ -57,17 +60,14 @@ class DatasetIndexToolCallbackHandler:
                     )
                     continue
                 if dataset_document.doc_form == IndexType.PARENT_CHILD_INDEX:
-                    child_chunk = (
-                        db.session.query(ChildChunk)
-                        .where(
-                            ChildChunk.index_node_id == document.metadata["doc_id"],
-                            ChildChunk.dataset_id == dataset_document.dataset_id,
-                            ChildChunk.document_id == dataset_document.id,
-                        )
-                        .first()
+                    child_chunk_stmt = select(ChildChunk).where(
+                        ChildChunk.index_node_id == document.metadata["doc_id"],
+                        ChildChunk.dataset_id == dataset_document.dataset_id,
+                        ChildChunk.document_id == dataset_document.id,
                     )
+                    child_chunk = db.session.scalar(child_chunk_stmt)
                     if child_chunk:
-                        segment = (
+                        _ = (
                             db.session.query(DocumentSegment)
                             .where(DocumentSegment.id == child_chunk.segment_id)
                             .update(