ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter5/coding-agent/tools/task_tool.py

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+"""
+Task tool - Launch sub-agents for complex tasks
+"""
+
+from typing import Dict, Any
+from .base import BaseTool
+
+
+class TaskTool(BaseTool):
+    """Launch a new agent to handle complex, multi-step tasks autonomously"""
+    
+    @property
+    def name(self) -> str:
+        return "Task"
+    
+    def _execute_impl(self, params: Dict[str, Any]) -> Dict[str, Any]:
+        """
+        Launch sub-agent
+        
+        - Launch a new agent to handle complex, multi-step tasks autonomously
+        - Available agent types: general-purpose, statusline-setup, output-style-setup
+        - NOTE: This is a stub implementation. Full implementation would require:
+          - Recursive agent instantiation
+          - Isolated execution context
+          - Result aggregation
+        """
+        description = params["description"]
+        prompt = params["prompt"]
+        subagent_type = params["subagent_type"]
+        
+        return {
+            "description": description,
+            "subagent_type": subagent_type,
+            "error": "Task tool (sub-agents) not yet implemented",
+            "note": "This tool would launch a specialized sub-agent to handle the task autonomously"
+        }
+