add daytona implementation

lang_agent/fs_bkends/__init__.py

@@ -3,9 +3,12 @@ import tyro
 from lang_agent.fs_bkends.base import BaseFilesystemBackend
 from lang_agent.fs_bkends.statebk import StateBk, StateBkConfig
 from lang_agent.fs_bkends.localshell import LocalShell, LocalShellConfig
+from lang_agent.fs_bkends.daytona_sandbox import DaytonaSandboxBk, DaytonaSandboxConfig
 
 statebk_dict = {
     "statebk": StateBkConfig(),
+    "localshell": LocalShellConfig(),
+    "daytonasandbox": DaytonaSandboxConfig(),
 }
 
 statebk_union = tyro.extras.subcommand_type_from_defaults(statebk_dict, prefix_names=False)