Fix kb mcp api

backend/api/v1/mcp/kb_retriever_tool.py

@@ -16,14 +16,19 @@ class NodeMetadata(BaseModel):
     file_path: str
     image_url: List[str]
     title: str
+    content: str
     doc_name: str
 
-class NodeResult(BaseModel):
-    score: float
+class NodeInfo(BaseModel):
     metadata: NodeMetadata
     text: str = Field(description="The text content of the node")
 
 
+class NodeResult(BaseModel):
+    score: float
+    node: NodeInfo
+
+
 class RetrievalToolResponse(BaseModel):
     status: str
     status_code: int
@@ -80,13 +85,16 @@ async def asearch_knowledgebase(
             images = score_node.images or []
             node = NodeResult(
                 score=score_node.score,
-                metadata=NodeMetadata(
-                    file_path=file_path or "",
-                    image_url=[img.get("url", "") for img in images if isinstance(img, dict) and img.get("url", "")],
-                    title=title or "",
-                    doc_name=doc_name or "",
-                ),
-                text=score_node.content,
+                node=NodeInfo(
+                    text=score_node.content,
+                    metadata=NodeMetadata(
+                        file_path=file_path or "",
+                        image_url=[img.get("url", "") for img in images if isinstance(img, dict) and img.get("url", "")],
+                        title=title or "",
+                        doc_name=doc_name or "",
+                        content=score_node.content,
+                    ),
+                )
             )
             nodes.append(node)
 

backend/app/main.py

@@ -1,9 +1,11 @@
 # init trace
 from dotenv import load_dotenv
+import os
+
+# don't trace for elasticsearch client
+os.environ["OTEL_PYTHON_INSTRUMENTATION_ELASTICSEARCH_ENABLED"] = "false"
 load_dotenv()
 
-import os
-import asyncio
 from fastapi import FastAPI
 import threading
 # setup models

backend/extensions/trace/grpc_exporter.py

@@ -70,7 +70,7 @@ def __init__(
             Union[TypingSequence[Tuple[str, str]], Dict[str, str], str]
         ] = None,
         timeout: Optional[int] = None,
-        compression: Optional[Compression] = None,
+        compression: Optional[Compression] = Compression.Gzip,
     ):
         if insecure is None:
             insecure = environ.get(OTEL_EXPORTER_OTLP_TRACES_INSECURE)

backend/extensions/trace/http_exporter.py

@@ -20,6 +20,7 @@
     OTEL_EXPORTER_OTLP_TRACES_ENDPOINT,
     OTEL_EXPORTER_OTLP_TRACES_HEADERS,
 )
+from opentelemetry.exporter.otlp.proto.http import Compression
 from opentelemetry.exporter.otlp.proto.http.trace_exporter import OTLPSpanExporter
 from opentelemetry.sdk.environment_variables import (
     OTEL_EXPORTER_OTLP_HEADERS,
@@ -38,7 +39,7 @@ class ReloadableHttpOTLPSpanExporter(OTLPSpanExporter):
         credentials: Credentials object for server authentication
         headers: Headers to send when exporting
         timeout: Backend request timeout in seconds
-        compression: gRPC compression method to use
+        compression: compression method to use
     """
     def __init__(
         self,
@@ -62,6 +63,7 @@ def __init__(
             endpoint=endpoint,
             headers=headers,
             timeout=timeout,
+            compression=Compression.Gzip,
         )
 
     def reload(

backend/extensions/trace/trace_context_middleware.py

@@ -6,13 +6,16 @@
 from opentelemetry import context
 from opentelemetry.baggage import get_baggage
 import uuid
-
+import os
+from loguru import logger
 
 from extensions.trace.context import (
     AGENTSCOPE_REQUEST_ID_KEY,
     set_request_id,
 )
 
+ENABLE_TRACE_CONTEXT_DEBUG = os.getenv("ENABLE_TRACE_CONTEXT_DEBUG", "false").lower() in ["true", "1", "yes", "y"]
+
 
 class TraceContextMiddleware(BaseHTTPMiddleware):
     """
@@ -22,6 +25,8 @@ class TraceContextMiddleware(BaseHTTPMiddleware):
     async def dispatch(self, request: Request, call_next):
         # 提取 trace context
         carrier = dict(request.headers)
+        if ENABLE_TRACE_CONTEXT_DEBUG:
+            logger.info(f"Trace context debug headers: {carrier}")
         propagator = get_global_textmap()
         extracted_context = propagator.extract(carrier=carrier)
 

backend/service/knowledgebase/rag_service.py

@@ -832,6 +832,7 @@ async def format_search_result(self, reranked_result: VectorStoreQueryResult, te
     @embedding_wrapper
     async def embed_query(self, query: str, embedding_model_entity: EmbeddingModelEntity) -> List[float]:
         embed_model = create_embedding_model(embedding_model_entity)
+        # skip tracing for embedding vectors
         query_embedding = await embed_model.aget_query_embedding(query)
         return query_embedding
 

backend/tools/utils/vectordb_retrieval.py

@@ -34,7 +34,14 @@ async def _aquery_text(
         query_kwargs["filters"] = metadata_filters
     elif document_ids:
         query_kwargs["doc_ids"] = document_ids
-    return await vector_store.aquery(VectorStoreQuery(**query_kwargs))
+    text_result = await vector_store.aquery(VectorStoreQuery(**query_kwargs))
+    # TEXT_SEARCH 模式的分数归一化
+    if text_result and text_result.similarities:
+        text_result.similarities = min_max_normalize_scores(text_result.similarities)
+    if text_result and text_result.nodes:
+        for node in text_result.nodes:
+            node.metadata.pop("page_bbox", None)
+    return text_result
 
 
 @vector_search_wrapper
@@ -56,7 +63,11 @@ async def _aquery_vector(
         query_kwargs["filters"] = metadata_filters
     elif document_ids:
         query_kwargs["doc_ids"] = document_ids
-    return await vector_store.aquery(VectorStoreQuery(**query_kwargs))
+    dense_result = await vector_store.aquery(VectorStoreQuery(**query_kwargs))
+    if dense_result and dense_result.nodes:
+        for node in dense_result.nodes:
+            node.metadata.pop("page_bbox", None)
+    return dense_result
 
 
 async def aquery_vector_store(
@@ -133,10 +144,6 @@ async def aquery_vector_store(
                 metadata_filters=metadata_filters,
             )
             logger.info(f"{query_mode} mode: Retrieved {len(dense_result.nodes)} nodes.")
-
-        # TEXT_SEARCH 模式的分数归一化
-        if text_result and text_result.similarities:
-            text_result.similarities = min_max_normalize_scores(text_result.similarities)
     except Exception as e:
         logger.error(f"Failed to query vector store: {e}")
         raise