I can use commands

src/myfasthtml/core/commands.py

@@ -5,8 +5,9 @@ from typing import Optional
 from fasthtml.fastapp import fast_app
 
 from myfasthtml.core.constants import Routes, ROUTE_ROOT
+from myfasthtml.core.utils import mount_if_not_exists
 
-commands_app, rt = fast_app()
+commands_app, commands_rt = fast_app()
 logger = logging.getLogger("Commands")
 
 
@@ -93,7 +94,7 @@ class CommandsManager:
     return CommandsManager.commands.clear()
 
 
-@rt(Routes.Commands)
+@commands_rt(Routes.Commands)
 def post(session: str, c_id: str):
   """
   Default routes for all commands.
@@ -106,4 +107,16 @@ def post(session: str, c_id: str):
   if command:
     return command.execute()
   
-  return None
+  raise ValueError(f"Command with ID '{c_id}' not found.")
+
+
+def mount_commands(app):
+  """
+  Mounts the commands_app to the given application instance if the route does not already exist.
+
+  :param app: The application instance to which the commands_app will be mounted.
+  :type app: Any
+  :return: Returns the result of the mount operation performed by mount_if_not_exists.
+  :rtype: Any
+  """
+  return mount_if_not_exists(app, ROUTE_ROOT, commands_app)