fix: support different region in tos and fix register_skills_tool

Author: BhAem

veadk/tools/skills_tools/register_skills_tool.py

@@ -160,11 +160,10 @@ def register_skills_tool(
 
         logger.debug(f"CreateSkill response: {response}")
 
-        if "Error" in response:
-            logger.error(
-                f"Failed to register skill '{skill_name}': {response['Error']}"
-            )
-            return f"Failed to register skill '{skill_name}': {response['Error']}"
+        if "ResponseMetadata" in response and "Error" in response["ResponseMetadata"]:
+            error_details = response["ResponseMetadata"]["Error"]
+            logger.error(f"Failed to register skill '{skill_name}': {error_details}")
+            return f"Failed to register skill '{skill_name}': {error_details}"
 
         logger.info(
             f"Successfully registered skill '{skill_name}' to skill space {skill_space_ids_list}."

veadk/tools/skills_tools/skills_tool.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 from __future__ import annotations
-
+import os
 from pathlib import Path
 from typing import Any, Dict
 
@@ -101,6 +101,7 @@ def _invoke_skill(self, skill_name: str, tool_context: ToolContext) -> str:
 
         working_dir = get_session_path(session_id=tool_context.session.id)
         skill_dir = working_dir / "skills"
+        region = os.getenv("AGENTKIT_TOOL_REGION", "cn-beijing")
 
         if skill_name not in self.skills:
             # 1. Download skill from TOS if not found locally
@@ -114,7 +115,6 @@ def _invoke_skill(self, skill_name: str, tool_context: ToolContext) -> str:
                 try:
                     from veadk.auth.veauth.utils import get_credential_from_vefaas_iam
                     from veadk.integrations.ve_tos.ve_tos import VeTOS
-                    import os
 
                     access_key = os.getenv("VOLCENGINE_ACCESS_KEY")
                     secret_key = os.getenv("VOLCENGINE_SECRET_KEY")
@@ -183,6 +183,7 @@ def _invoke_skill(self, skill_name: str, tool_context: ToolContext) -> str:
                         sk=secret_key,
                         session_token=session_token,
                         bucket_name=tos_bucket,
+                        region=region,
                     )
 
                     # Download the skill directory from TOS
@@ -216,8 +217,6 @@ def _invoke_skill(self, skill_name: str, tool_context: ToolContext) -> str:
                     from veadk.auth.veauth.utils import get_credential_from_vefaas_iam
                     from veadk.integrations.ve_tos.ve_tos import VeTOS
 
-                    region = os.getenv("AGENTKIT_TOOL_REGION", "cn-beijing")
-
                     access_key = os.getenv("VOLCENGINE_ACCESS_KEY")
                     secret_key = os.getenv("VOLCENGINE_SECRET_KEY")
                     session_token = ""