feat: Sandboxing for tool execution (#2040)

Co-authored-by: Caren Thomas <carenthomas@Jeffs-MacBook-Pro-2.local>
Co-authored-by: Caren Thomas <carenthomas@jeffs-mbp-2.lan>
Co-authored-by: Caren Thomas <carenthomas@Jeffs-MBP-2.hsd1.ca.comcast.net>
Co-authored-by: Sarah Wooders <sarahwooders@gmail.com>

letta/server/rest_api/utils.py

@@ -5,6 +5,7 @@ import warnings
 from enum import Enum
 from typing import AsyncGenerator, Optional, Union
 
+from fastapi import Header
 from pydantic import BaseModel
 
 from letta.schemas.usage import LettaUsageStatistics
@@ -84,5 +85,10 @@ def get_letta_server() -> SyncServer:
     return server
 
 
+# Dependency to get user_id from headers
+def get_user_id(user_id: Optional[str] = Header(None, alias="user_id")) -> Optional[str]:
+    return user_id
+
+
 def get_current_interface() -> StreamingServerInterface:
     return StreamingServerInterface