* feat: implement inbox document picker and linking functionality
* feat: implement self-billing invoice functionality
- Added support for registering self-billed invoices received from customers.
- Updated the invoice schema to include fields for self-billing metadata such as `is_self_billed`, `external_invoice_number`, `self_billing_agreement_ref`, and `received_date`.
- Created API route for handling self-billed invoice submissions, including validation and error handling.
- Implemented database migrations to add necessary columns and constraints for self-billing invoices.
- Developed tests to ensure correct behavior of self-billing invoice creation and validation rules.
- Updated Swedish localization files to include new terms related to self-billing.
* feat: enforce SIE import requirement for non-Fortnox providers in migration process
* feat: streamline invoice processing and enhance error logging across APIs
Mattsson
3e42fc6f32