RtvLine

object type

One embedded Rtv line.

Fields

Field	Type	Notes
`lineNo`	Int `Int!`	1-based position (input order at create).
`variantId`	ID `ID!`	The variant being returned.
`inventoryItemId`	ID `ID!`	The (variant x ship-from LF) InventoryItem junction — server-resolved + STAMPED at create (TR-f; must EXIST + be active).
`quantity`	String `String!`	The quantity to return (decimal string, stock UoM, strictly positive).
`reason`	RtvReason `RtvReason!`	The canned return reason.
`sourceBucket`	StockBucket `StockBucket!`	The bucket this line ships FROM (on_hand / damaged / held — the -mutable trio; reserved / in_transit are never RTV-shippable).
`binId`	ID	Optional source bin (binned relief stamps the StockRecord shard in the same transaction; omitted = the un-binned pool).