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7446adaa88
Bookings, contracts and train schedules all validated originYardId / destinationYardId (originStationId / destinationStationId) as a single @IsUUID and matched with `=`, so a list could be narrowed to exactly one lane. The filter bar can now ask for several stations per end, and each end independently, which needs the same on the server. @IdListParam() is the shared transform: one id, a comma-separated list, or a repeated query param, always landing as a string[]. It yields undefined rather than [] when nothing usable is left — a repository that branches on `?.length` can then never hand TypeORM an empty array, which compiles to the syntax error IN (). It stays backwards compatible with the single-value form, so existing deep links and saved views are unaffected. Matching moves to IN (:...ids) — for contracts inside the two existing EXISTS subqueries, which keeps meaning "has a route from one of these origins" AND "has a route to one of these destinations", not necessarily the same route. All three statements were EXPLAIN-validated against edr_dev.