chore(backend): refactor mono cli file into package

backend/cli/commands/__init__.py

@@ -0,0 +1,20 @@
+"""
+CLI command modules.
+"""
+
+from .members import cmd_members_list, cmd_members_show, setup_members_parser
+from .schedules import (
+    cmd_schedules_list, cmd_schedules_show, cmd_schedules_accept, 
+    cmd_schedules_decline, setup_schedules_parser
+)
+from .services import cmd_services_list, setup_services_parser
+
+__all__ = [
+    # Member commands
+    "cmd_members_list", "cmd_members_show", "setup_members_parser",
+    # Schedule commands  
+    "cmd_schedules_list", "cmd_schedules_show", "cmd_schedules_accept", 
+    "cmd_schedules_decline", "setup_schedules_parser",
+    # Service commands
+    "cmd_services_list", "setup_services_parser",
+]