feat: background task for agent request#471

rayrayraykk merged 4 commits intoagentscope-ai:mainagentscope-ai/agentscope-runtime:mainfrom

rayrayraykk:weirui/dev/v1.1.2.beta.2rayrayraykk/agentscope-runtime:weirui/dev/v1.1.2.beta.2Copy head branch name to clipboard