add stub create_notion_page tool

surfsense_backend/app/agents/new_chat/tools/create_notion_page.py

@@ -0,0 +1,29 @@
+from typing import Any
+
+from langchain_core.tools import tool
+
+
+def create_create_notion_page_tool():
+    @tool
+    async def create_notion_page(
+        title: str,
+        content: str,
+    ) -> dict[str, Any]:
+        """Create a new page in Notion with the given title and content.
+
+        Use this tool when the user asks you to create, save, or publish
+        something to Notion. The page will be created in the user's
+        configured Notion workspace.
+
+        Args:
+            title: The title of the Notion page.
+            content: The markdown content for the page body.
+        """
+        return {
+            "status": "success",
+            "page_id": "stub-page-id-12345",
+            "title": title,
+            "url": "https://www.notion.so/stub-page-12345",
+        }
+
+    return create_notion_page