v0.7.1: Enhanced Payment Systems, Multi-Provider Integration, Dual Payment Modes & Advanced Billing

Payment Systems & Integration:

Introduced new Stripe payment flow integration with comprehensive validation systems for enhanced security and reliability.
Added support for multiple payment methods including Google Pay and Apple Pay providing users with flexible payment options.
Implemented dual payment mode system (Manual and Automatic) with intelligent 3DS detection that automatically determines the appropriate payment method based on card authorization capabilities.
Enhanced payment method management with significantly improved user interface design and usability.
Integrated real-time webhook logic for instant payment processing and status updates.
Fixed billing calculation problems on the UI side, ensuring accurate cost displays and transaction processing.

Expanded card support range with automatic detection of 3D Secure (3DS) authorization capabilities.
Manual Payment Mode: For cards with 3DS authorization, users can manually process payments for outstanding balances during each billing period through the application interface.
Automatic Payment Mode: For cards enabled for offline payments, outstanding amounts are automatically charged from saved payment methods at the end of each billing period.
Enhanced payment validation system with advanced error handling and user feedback mechanisms.

Updated welcome dialog with improved design and user flow.
Increased free credit offering to $200 valid for 2 months, providing new users with enhanced trial experience.
Implemented comprehensive bug fixes across payment validation systems, improving overall application stability.
Enhanced user interface elements for payment method selection and management.

Advanced validation implementation across payment processing workflows.
Enhanced real-time payment status updates with webhook integration.
Multiple stability improvements and bug fixes throughout the payment infrastructure.
Optimized payment flow performance with reduced processing times and improved error handling.