- Handle dotenv placeholders like 'KEY= # comment' without validation crashes
- Add REQUIRED_CHANNEL_SUBSCRIBE_TO_USE to explicitly enable channel gate
- Add REFERRAL_ENABLED to fully disable referral flow and bonuses
- Hide referral UI/actions when disabled and ignore ref start params
- Update .env.example defaults and README docs for new flags
- Enhanced the logic for determining the response to users when a promo code application fails, ensuring clearer messaging based on the type of error encountered.
- Introduced specific error messages for cases where the promo code is not found or not applicable as a discount, improving user experience and clarity.
- Enhanced the display_subscription_options and reshow_subscription_options_callback functions to accept a promo_code_service parameter for improved discount handling.
- Updated the logic to calculate and display discounted prices based on active promo codes, including support for both regular and star-based pricing.
- Modified relevant locales to include currency symbols in discount notices for better user clarity.
- Integrated promo code service into subscription service to streamline discount consumption during payment processing.
- Improved error handling and logging for promo code activation and usage increment.
- Updated payment services to handle discount calculations more robustly, including fallback mechanisms for invalid discount scenarios.
- Added new methods for managing promo code activations and usage in the database layer.