Struct NewOpeningEntryRow 

pub struct NewOpeningEntryRow {
    pub id: Uuid,
    pub pos_profile_id: Uuid,
    pub branch_id: Option<Uuid>,
    pub cashier_party_id: Uuid,
    pub opened_at: NaiveDateTime,
    pub opening_balances: Value,
}

The exact row an open_session writes.

Mirrors the raw column shape rather than the PosOpeningEntry entity: opening_balances is the already-serialised per-method float array, and status is fixed to 'open' by the SQL (cast DB-side as pos_session_status). No tenancy column — the composing decorator’s fill trigger stamps the acting unit (ADR-0029).

Fields

id: Uuid

pos_profile_id: Uuid

branch_id: Option<Uuid>

cashier_party_id: Uuid

opened_at: NaiveDateTime

opening_balances: Value