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e115b9b753
The Load-to-Train queue was permanently empty for real traffic. loadableTrains() and trainLoadableItems() gated on freight.train_schedule_bookings, but nothing in the application writes that table — only the demo seeders do. Real wagon allocation writes wagon_booking_allocations, reached via train_schedules -> train_sets -> train_set_wagons, so an allocated export booking never satisfied the EXISTS gate and no train ever appeared. Both queries now resolve a schedule's bookings through a shared sched_bookings CTE that unions the wagon-allocation chain with train_schedule_bookings, so real allocations show up and the seeded demo scenarios keep working. The panel already groups the returned rows by booking with their containers, so the queue now lists the train, its bookings and their containers for selection. Export flow this serves: booked -> paid -> received at the warehouse (first-mile or self-haul) -> GRN -> loaded onto the wagons allocated to the booking. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>