v1.7.4: Fix Service Call Mismatches

Fixes

• Card: Fixed "Stop" button calling non-existent stop service (now correctly calls cancel)
• Backend: Added notification_settings support to create_routine service
• Audited all service calls to ensure field names match schemas

Verified Service Calls

• ✅ create_task: task_name, duration, icon, advancement_mode
• ✅ update_task: task_id, task_name, duration, icon, advancement_mode
• ✅ delete_task: task_id
• ✅ create_routine: routine_name, icon, task_ids, tags, schedule_time, schedule_days, notification_settings
• ✅ update_routine: routine_id, routine_name, icon, task_ids, tags, schedule_time, schedule_days, notification_settings
• ✅ delete_routine: routine_id
• ✅ start: routine_id, skip_task_ids, task_order
• ✅ cancel (was incorrectly 'stop')