This commit marks the completion of Phase 3 (Integration and Improvements) and updates the project status to reflect that Phases 0 through 3 are finished.
Key changes include:
- **Laravel (Backend):**
- Added `calling_code` column to `countries` table via new migration.
- Added scripts to update calling codes for all countries.
- Updated `CustomerOrderController` to include `calling_code` in country data.
- Registered `api_key` middleware alias in `bootstrap/app.php`.
- Improved error handling to return JSON 401 for API authentication failures.
- Updated `README.md` with detailed architecture and feature descriptions.
- **WordPress (Frontend/Bridge):**
- Added `ifnex_wallet_charge` shortcode and AJAX handler for wallet top-ups.
- Implemented auto-fill for calling codes in the order form based on selected country.
- Added real-time phone number validation (digits, +, spaces only).
- Added English-only validation for name, city, and address fields with UI warnings.
- Updated asset enqueuing logic and versioning for CSS/JS.
- **Documentation:**
- Updated `IFNEX_File_Map.md`, `IFNEX_Phase0_Checklist.md`, and `IFNEX_Roadmap.md` to reflect completed phases and new features.
- Updated `DEPLOYMENT.md` with new environment variables (`IFNEX_BRIDGE_API_KEY`) and required WordPress pages.
- Updated project `README.md` with comprehensive feature list and system architecture.
