Introduce a comprehensive set of commercial features including a multi-step
order approval workflow, customer credit management, and specialized
import service invoicing.
Key changes:
- Implement `pending_approval` and `approved` shipment statuses to allow
staff verification before customer payment.
- Add a credit system to `User` model with `credit_limit` and `credit_used`
to manage customer balances and debts.
- Develop a new `importInvoice` PDF generation service following the
"Sheet ENG Invoice" specification for import services.
- Add Filament resources for managing Audit Logs, Commitment Forms,
Customer Credits, and Shipment Checklists.
- Implement staff-specific APIs for order approval/rejection and
customer financial status monitoring.
- Integrate Kavenegar SMS service for mobile verification and notifications.
- Add bulk tracking import functionality via CSV/Excel.
- Update WordPress bridge assets (CSS/JS) to support the new multi-step
order form UI and updated redirection logic.
- Update deployment configurations and documentation to reflect new
production domains and feature sets.
