Find my swaps (recover a lost orderId)

Give exactly one of idempotencyKey or sessionId (x-requires-one-of). idempotencyKey: the idempotency-key used on create; returns that order (0 or 1 entries, live state), whether it was created over REST or MCP. An unknown key returns orders: [] and data.note "No order is recorded under this key." (that does not mean no order exists elsewhere). sessionId: data.sessionId from create; lists that session's orders, newest first. Addresses are omitted except the destination's last 6 characters; the response reveals no more than the session listing already does. Anyone who knows a key or a sessionId can list its orders, so use random values. MCP: list_swaps.