feat: 新增 core/agents 模块和 nanobot

- 新增 agents 模块，包含 agent、api、skills 等子模块
- 新增 nanobot 项目，支持多渠道集成
- 添加启动脚本 start-all.bat 和 start-all.sh

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

core/agents/tools/sync.py

@@ -0,0 +1,107 @@
+"""Tool synchronization between Python Agent and Go backend."""
+
+import asyncio
+import logging
+from typing import Any
+
+import aiohttp
+
+logger = logging.getLogger(__name__)
+
+
+class ToolSyncClient:
+    """Client for syncing tools to Go backend."""
+
+    def __init__(self, base_url: str, agent_id: str = "default"):
+        """Initialize tool sync client.
+
+        Args:
+            base_url: Go backend base URL
+            agent_id: Agent ID
+        """
+        self.base_url = base_url.rstrip("/")
+        self.agent_id = agent_id
+        self._session = None
+
+    async def _get_session(self) -> aiohttp.ClientSession:
+        """Get or create aiohttp session."""
+        if self._session is None or self._session.closed:
+            self._session = aiohttp.ClientSession()
+        return self._session
+
+    async def close(self) -> None:
+        """Close the session."""
+        if self._session and not self._session.closed:
+            await self._session.close()
+
+    async def sync_tools(
+        self,
+        tools: list[dict[str, Any]],
+    ) -> tuple[int, str]:
+        """Sync tools to Go backend.
+
+        Args:
+            tools: List of tool definitions
+
+        Returns:
+            Tuple of (synced_count, message)
+        """
+        url = f"{self.base_url}/tool/sync-from-python"
+
+        # Transform tools to match Go backend format
+        python_tools = []
+        for tool in tools:
+            func = tool.get("function", {})
+            python_tools.append({
+                "name": func.get("name"),
+                "description": func.get("description"),
+                "parameters": func.get("parameters", "{}"),
+                "category": "python",  # Default category for Python tools
+            })
+
+        payload = {"tools": python_tools}
+
+        try:
+            session = await self._get_session()
+            async with session.post(url, json=payload) as response:
+                if response.status == 200:
+                    result = await response.json()
+                    count = result.get("synced_count", 0)
+                    return count, f"Synced {count} tools successfully"
+                else:
+                    text = await response.text()
+                    return 0, f"Failed to sync tools: {response.status} - {text}"
+        except Exception as e:
+            logger.error(f"Error syncing tools: {e}")
+            return 0, f"Error syncing tools: {e}"
+
+
+async def sync_registry_tools(
+    registry,
+    base_url: str,
+    agent_id: str = "default",
+) -> tuple[int, str]:
+    """Sync tools from a ToolRegistry to Go backend.
+
+    Args:
+        registry: ToolRegistry instance
+        base_url: Go backend base URL
+        agent_id: Agent ID
+
+    Returns:
+        Tuple of (synced_count, message)
+    """
+    client = ToolSyncClient(base_url, agent_id)
+
+    try:
+        # Get all tool definitions
+        tools = registry.get_definitions()
+
+        if not tools:
+            return 0, "No tools to sync"
+
+        # Sync tools
+        count, message = await client.sync_tools(tools)
+        return count, message
+    finally:
+        await client.close()