refactor(cli): split commands into focused modules (#5175)

tests/command/test_router_dispatchable.py

@@ -108,7 +108,7 @@ class TestMidTurnCommandDispatchedDirectly:
         ))
         loop.sessions.save = MagicMock()
         loop.sessions.invalidate = MagicMock()
-        loop._schedule_background = MagicMock()
+        loop.schedule_background = MagicMock()
         loop._cancel_active_tasks = AsyncMock(return_value=0)
         return loop