* fix: prevent credit notes from entering payment flow
* fix: persist and display customer personal numbers
* feat: configure automatic invoice reminder days
* fix: issue credit notes through send flow
* chore: add repository agent guidance
* feat(mcp): route tools across user companies
* fix(articles): delete unused register entries
* feat(invoices): improve issued invoice actions
* feat(supplier-invoices): retain uploaded source documents
* docs: record implementation decisions
* feat: enhance customer personal number handling and validation
- Updated CustomerForm to allow personal numbers in the format of "********-1234" for individual customers.
- Added validation to ensure personal numbers are only accepted for individual customers in CreateCustomerSchema.
- Implemented masking and encryption for personal numbers to enhance data protection.
- Introduced new utility functions for masking and encrypting personal numbers.
- Added database migration to enforce unique constraints on credit note relationships and prevent duplicate entries.
- Enhanced error handling and logging for credit note issuance and invoice processing.
- Updated tests to cover new credit note creation guards and personal number handling.
* test: enhance list companies test with supabase query mocks
Mattsson