- Replaced instances of `authSession` with `session` for consistency across actions.
- Removed unused `getCustomer` function and related types from payment module to streamline codebase.
- Enhanced `createOrGetCustomer` method to simplify customer creation logic.
- Updated metadata handling in checkout session creation for improved clarity and maintainability.
- Introduced new columns `subscription_id` and `lifetime_member` to the user table for enhanced subscription management.
- Updated the user schema in the database to reflect these changes.
- Refactored actions to utilize the new user fields for better subscription handling.
- Enhanced error handling and logging in relevant actions for improved user feedback.
- Updated translations to include new messages related to subscription status and lifetime access.
- Integrated authentication session validation in createCheckoutAction and createPortalAction to ensure only authorized users can create sessions.
- Enhanced unsubscribeNewsletterAction with similar authentication checks for improved security and user feedback.
- Added actions for checking newsletter subscription status, subscribing, and unsubscribing.
- Introduced actions for creating checkout and customer portal sessions with validation.
- Replaced deprecated newsletter actions in components with new implementations.
- Enhanced error handling and logging for all new actions to improve user feedback.
