Develop a smart contract to handle the basic production of Celium at level 1 (2 units/hour).
Implement a function that pauses production if the user is inactive for more than 24 hours.
Implement the function that resumes production when the user logs back in.
Develop a smart contract to handle the basic production of Celium at level 1 (2 units/hour). Implement a function that pauses production if the user is inactive for more than 24 hours. Implement the function that resumes production when the user logs back in.