chore: 添加虚拟环境到仓库

- 添加 backend_service/venv 虚拟环境
- 包含所有Python依赖包
- 注意：虚拟环境约393MB，包含12655个文件

backend_service/venv/lib/python3.13/site-packages/opentelemetry/proto/resource/v1/resource_pb2.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: opentelemetry/proto/resource/v1/resource.proto
+# Protobuf Python Version: 5.26.1
+"""Generated protocol buffer code."""
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+from opentelemetry.proto.common.v1 import common_pb2 as opentelemetry_dot_proto_dot_common_dot_v1_dot_common__pb2
+
+
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n.opentelemetry/proto/resource/v1/resource.proto\x12\x1fopentelemetry.proto.resource.v1\x1a*opentelemetry/proto/common/v1/common.proto\"\xa8\x01\n\x08Resource\x12;\n\nattributes\x18\x01 \x03(\x0b\x32\'.opentelemetry.proto.common.v1.KeyValue\x12 \n\x18\x64ropped_attributes_count\x18\x02 \x01(\r\x12=\n\x0b\x65ntity_refs\x18\x03 \x03(\x0b\x32(.opentelemetry.proto.common.v1.EntityRefB\x83\x01\n\"io.opentelemetry.proto.resource.v1B\rResourceProtoP\x01Z*go.opentelemetry.io/proto/otlp/resource/v1\xaa\x02\x1fOpenTelemetry.Proto.Resource.V1b\x06proto3')
+
+_globals = globals()
+_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'opentelemetry.proto.resource.v1.resource_pb2', _globals)
+if not _descriptor._USE_C_DESCRIPTORS:
+  _globals['DESCRIPTOR']._loaded_options = None
+  _globals['DESCRIPTOR']._serialized_options = b'\n\"io.opentelemetry.proto.resource.v1B\rResourceProtoP\001Z*go.opentelemetry.io/proto/otlp/resource/v1\252\002\037OpenTelemetry.Proto.Resource.V1'
+  _globals['_RESOURCE']._serialized_start=128
+  _globals['_RESOURCE']._serialized_end=296
+# @@protoc_insertion_point(module_scope)

backend_service/venv/lib/python3.13/site-packages/opentelemetry/proto/resource/v1/resource_pb2.pyi

@@ -0,0 +1,69 @@
+"""
+@generated by mypy-protobuf.  Do not edit manually!
+isort:skip_file
+Copyright 2019, OpenTelemetry Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+import builtins
+import collections.abc
+import google.protobuf.descriptor
+import google.protobuf.internal.containers
+import google.protobuf.message
+import opentelemetry.proto.common.v1.common_pb2
+import sys
+
+if sys.version_info >= (3, 8):
+    import typing as typing_extensions
+else:
+    import typing_extensions
+
+DESCRIPTOR: google.protobuf.descriptor.FileDescriptor
+
+@typing_extensions.final
+class Resource(google.protobuf.message.Message):
+    """Resource information."""
+
+    DESCRIPTOR: google.protobuf.descriptor.Descriptor
+
+    ATTRIBUTES_FIELD_NUMBER: builtins.int
+    DROPPED_ATTRIBUTES_COUNT_FIELD_NUMBER: builtins.int
+    ENTITY_REFS_FIELD_NUMBER: builtins.int
+    @property
+    def attributes(self) -> google.protobuf.internal.containers.RepeatedCompositeFieldContainer[opentelemetry.proto.common.v1.common_pb2.KeyValue]:
+        """Set of attributes that describe the resource.
+        Attribute keys MUST be unique (it is not allowed to have more than one
+        attribute with the same key).
+        """
+    dropped_attributes_count: builtins.int
+    """dropped_attributes_count is the number of dropped attributes. If the value is 0, then
+    no attributes were dropped.
+    """
+    @property
+    def entity_refs(self) -> google.protobuf.internal.containers.RepeatedCompositeFieldContainer[opentelemetry.proto.common.v1.common_pb2.EntityRef]:
+        """Set of entities that participate in this Resource.
+
+        Note: keys in the references MUST exist in attributes of this message.
+
+        Status: [Development]
+        """
+    def __init__(
+        self,
+        *,
+        attributes: collections.abc.Iterable[opentelemetry.proto.common.v1.common_pb2.KeyValue] | None = ...,
+        dropped_attributes_count: builtins.int = ...,
+        entity_refs: collections.abc.Iterable[opentelemetry.proto.common.v1.common_pb2.EntityRef] | None = ...,
+    ) -> None: ...
+    def ClearField(self, field_name: typing_extensions.Literal["attributes", b"attributes", "dropped_attributes_count", b"dropped_attributes_count", "entity_refs", b"entity_refs"]) -> None: ...
+
+global___Resource = Resource