feat: 新增工具插件、系统日志、workflow配置及前端优化

1. 新增工具插件(edit_file, python_executor, search_file, shell_executor, write_file)
2. 新增系统事件日志模块和API
3. 新增workflow配置文件和详情API
4. 前端增加SSE、错误边界、设置引导等组件
5. 优化认证加密、速率限制、配置加载等工具模块
6. 删除废弃的cluster和health API
7. 补充单元测试和集成测试

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

kilostar/utils/mcp_helper.py

@@ -125,6 +125,19 @@ async def get_all_toolsets_for_scope(scope: str) -> List[Any]:
     return toolsets
 
 
+async def get_retrieval_toolsets_for_scope(scope: str) -> List[Any]:
+    """仅返回 retrieval 工具集（system_node 专用）。不含 generation 和 MCP 工具。"""
+    toolsets: List[Any] = []
+    try:
+        gsm = ray_actor_hook("global_state_machine").global_state_machine
+        retrieval = await gsm.get_retrieval_toolsets_for_scope.remote(scope)
+        if retrieval:
+            toolsets.extend(retrieval)
+    except Exception as e:
+        logger.error(f"Failed to load retrieval toolsets ({scope}): {e}")
+    return toolsets
+
+
 async def list_mcp_tools_for_configs(
     configs: Dict[str, Dict[str, Any]],
 ) -> List[Dict[str, Any]]: