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/agent/run_result.py

@@ -6,6 +6,42 @@ from dataclasses import dataclass
 from typing import Any
 
 
+_PLACEHOLDER_SUMMARY_MARKERS = (
+    "task completed but no final response was generated",
+    "no final response was generated",
+    "已启动代理团队",
+    "代理团队正在后台工作",
+    "agent team [",
+    "spawn_agent_team",
+    "error calling llm",
+    "litellm.timeout",
+    "dashscopeexception",
+    "service temporarily unavailable",
+    "planner调用失败",
+    "本任务当前不可执行",
+    "无法由单一非sop工具完成",
+)
+
+
+def normalize_summary_text(text: str | None) -> str:
+    """把摘要文本压成便于判定的稳定形式。"""
+    return " ".join(str(text or "").strip().split())
+
+
+def contains_placeholder_summary(text: str | None) -> bool:
+    """判断摘要是否只是占位兜底文本。"""
+    normalized = normalize_summary_text(text).lower()
+    if not normalized:
+        return True
+    return any(marker in normalized for marker in _PLACEHOLDER_SUMMARY_MARKERS)
+
+
+def has_meaningful_summary(text: str | None) -> bool:
+    """判断摘要是否包含可复用的真实结果。"""
+    normalized = normalize_summary_text(text)
+    return bool(normalized) and not contains_placeholder_summary(normalized)
+
+
 @dataclass
 class AgentRunResult:
     """统一描述一次 agent 执行结果。"""