fix: update volcengine-python-sdk lib version and lazy load check_agent_authorization tool (#309)

Author: BhAem

pyproject.toml

@@ -22,7 +22,7 @@ dependencies = [
     "opentelemetry-instrumentation-logging>=0.56b0",
     "wrapt>=1.17.2", # For patching built-in functions
     "openai<1.100", # For fix https://github.com/BerriAI/litellm/issues/13710
-    "volcengine-python-sdk>=4.0.18", # For Volcengine API
+    "volcengine-python-sdk>=4.0.33", # For Volcengine API
     "volcengine>=1.0.193", # For Volcengine sign
     "agent-pilot-sdk>=0.1.2", # Prompt optimization by Volcengine AgentPilot/PromptPilot toolkits
     "fastmcp>=2.11.3", # For running MCP

veadk/agent.py

@@ -48,7 +48,6 @@
 from veadk.tracing.base_tracer import BaseTracer
 from veadk.utils.logger import get_logger
 from veadk.utils.patches import patch_asyncio, patch_tracer
-from veadk.tools.builtin_tools.agent_authorization import check_agent_authorization
 from veadk.version import VERSION
 
 patch_tracer()
@@ -188,6 +187,10 @@ def model_post_init(self, __context: Any) -> None:
             self.tools.append(load_memory)
 
         if self.enable_authz:
+            from veadk.tools.builtin_tools.agent_authorization import (
+                check_agent_authorization,
+            )
+
             if self.before_agent_callback:
                 if isinstance(self.before_agent_callback, list):
                     self.before_agent_callback.append(check_agent_authorization)