generateFilesMap() read ->name straight off $hotels[$hotelId] with no
guard, so a travel referencing a hotel absent from hotel.xml produced an
undefined-key warning and an entry with a null label -- a hotel in
/api/travels that resolves nowhere. No row hits this in the current
snapshot, which is why it has never surfaced.
Co-Authored-By: Claude Opus 5 <[email protected]>
