依赖：升级 OB Agent SDK 至 0.5.4

将项目锁定的 obagent-sdk 从 0.5.2 升级到 0.5.4，并保持 pyproject.toml 中既有的兼容版本范围不变。

锁文件继续使用 Aiddit 私有源发布物及已验证的 sdist、wheel 哈希，没有更新其他依赖，也没有改变 pip 版本。

升级后已核对现有 LangChain Collector 回调签名，并通过 Observability、模型配置和 AgentRun 配置相关定向测试。

uv.lock

@@ -740,14 +740,14 @@ wheels = [
 
 [[package]]
 name = "obagent-sdk"
-version = "0.5.2"
+version = "0.5.4"
 source = { registry = "https://pypi.aiddit.com/repository/pypi-group/simple" }
 dependencies = [
     { name = "langchain-core" },
 ]
-sdist = { url = "https://pypi.aiddit.com/repository/pypi-group/packages/obagent-sdk/0.5.2/obagent-sdk-0.5.2.tar.gz", hash = "sha256:b94ced06884f40de76f2faa1527fa26ca4de2d9d35bf446188c3d5ebbad29923" }
+sdist = { url = "https://pypi.aiddit.com/repository/pypi-group/packages/obagent-sdk/0.5.4/obagent-sdk-0.5.4.tar.gz", hash = "sha256:81d921d5c4c771a282e01f3a16170c4c81a70d2136bcbf56f7d7485841ac7b53" }
 wheels = [
-    { url = "https://pypi.aiddit.com/repository/pypi-group/packages/obagent-sdk/0.5.2/obagent_sdk-0.5.2-py3-none-any.whl", hash = "sha256:942d501b0426beebb4bf741a875573314f7a7d450f8bc2196076fe7f32c192b6" },
+    { url = "https://pypi.aiddit.com/repository/pypi-group/packages/obagent-sdk/0.5.4/obagent_sdk-0.5.4-py3-none-any.whl", hash = "sha256:170431cf056c99be87dcfca248cc6586921b8d5a5d052a56f006773dd2ae4e29" },
 ]
 
 [[package]]