Reflects this iteration's domain/feature changes across the docs set:
- Cost centre = Vessel only (labelled 'Cost Centre'); costCentreRef/Site removed
- Companies (multi-company invoicing) on POs and exports
- 3-level 6-digit accounting-code hierarchy; leaf-only PO selection
- Structured PO numbers COMPANY/VESSEL/ID/FY (ids from 9000)
- Compulsory payment date; editable poDate; export date = approval date
- Submitter vendor creation (unverified until proven); verifyVendor
- Import PO -> CLOSED with auto vendor/product creation
- Inventory flag; inventory added at approval; partial pay/receipt states
- Microsoft Entra SSO (nullable passwordHash); profile reachable by all roles
- README: roles, domain concepts, db:seed:prod, migrate-before-serve callout
- CHANGELOG: Added/Changed/Fixed for the above
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
