Origin marshalling (import + export) now prints leg slots as
TO BE LOADED AT <board yard> with board/alight stations and keeps
their containers out of the loaded tallies. Intercity Marshalling 2 no
longer hides whole-route cargo whose allocation never left PLANNED
(import flow confirms loading at schedule level), so the on-board view
matches the physical consist before and after mid-corridor coupling.
Empty containers loaded onto an export departure carry no booking and no
wagon allocation, so their wagons printed as EMPTY — no cargo allocated —
staff checking the paper against the consist found boxes the list denied.
Those wagons now print the container numbers with cargo type EMPTY
CONTAINER, count toward the 40ft/20ft tallies, and get their own summary
tile; only genuinely bare wagons keep the empty wording.
New logo-settings module (mirrors stamp-settings): single uploaded logo,
stored via FilesService/MinIO, injected as a data URL into invoice/receipt,
contract, warehouse, train-scheduling, and payment-receipt PDFs. Adds a
matching backoffice settings page and settings:logo:view/manage permissions.
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