feat: 添加swarms团队编排功能并优化agent委派系统

- 引入AgentTeamOrchestrator支持多agent协同任务执行
- 增加第三方swarms库依赖并配置git协议替换以改善包管理
- 扩展DelegationManager支持团队任务调度和进度跟踪
- 实现中文bigram分词算法提升中文任务检索准确性
- 调整A2AClient和DelegationManager超时时间从30秒增至600秒
- 优化AgentRunResult状态判断逻辑增加有意义摘要检测
- 修改Dockerfile配置npm仓库镜像地址和git协议映射
- 更新CLI命令行接口支持网关端口配置传递
- 调整提供者超时配置机制增强请求稳定性
- 移除过时的support_group字段简化agent描述符结构
- 增强错误处理和进度事件报告机制改进用户体验

app-instance/backend/nanobot/providers/litellm_provider.py

@@ -44,8 +44,9 @@ class LiteLLMProvider(LLMProvider):
         default_model: str = "anthropic/claude-opus-4-5",
         extra_headers: dict[str, str] | None = None,
         provider_name: str | None = None,
+        request_timeout_seconds: float | None = None,
     ):
-        super().__init__(api_key, api_base)
+        super().__init__(api_key, api_base, request_timeout_seconds=request_timeout_seconds)
         self.default_model = default_model
         self.extra_headers = extra_headers or {}
         
@@ -230,6 +231,9 @@ class LiteLLMProvider(LLMProvider):
         # Pass extra headers (e.g. APP-Code for AiHubMix)
         if self.extra_headers:
             kwargs["extra_headers"] = self.extra_headers
+
+        if self.request_timeout_seconds is not None:
+            kwargs["timeout"] = self.request_timeout_seconds
         
         if tools:
             kwargs["tools"] = tools
@@ -246,6 +250,7 @@ class LiteLLMProvider(LLMProvider):
             "has_api_key": bool(self.api_key),
             "temperature": kwargs.get("temperature"),
             "max_tokens": kwargs.get("max_tokens"),
+            "timeout": kwargs.get("timeout"),
             "tool_choice": kwargs.get("tool_choice"),
             "message_count": len(sanitized_messages),
             "messages": summarize_messages(sanitized_messages),