- Introduced `isPayableInvoice` utility to determine the payability of invoices based on status and balance.
- Updated sales invoice detail page to conditionally create payment actions for payable invoices.
- Refactored form allocations to load only payable sales invoices, improving data integrity in payment forms.
- Enhanced sales payment form to validate invoice payability before processing.
- Added unit tests for `isPayableInvoice` to ensure accurate functionality.
- Updated sales status transitions to allow draft invoices to be processed or cancelled, improving workflow flexibility.
These changes enhance the sales invoicing process by ensuring that only valid invoices are processed for payments, improving overall user experience and data management.
shancheas
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