backend phase 13 & frontend phase 6

server/src/Infrastructure/Baya.Infrastructure.CrossCutting/Seams/SeamOptions.cs

@@ -19,6 +19,24 @@ public sealed class SeamOptions
     public MoadianOptions Moadian { get; set; } = new();
     public BnplOptions Bnpl { get; set; } = new();
     public CurrencyOptions Currency { get; set; } = new();
+    public BankTransferOptions BankTransfer { get; set; } = new();
+}
+
+/// <summary>
+/// Tunes the mock <c>IBankTransferProvider</c> (b13 PAYA/SATNA payouts). By default every instruction settles
+/// paid with a deterministic transfer reference and no money moves. Set <see cref="ForceFailure"/> to fail the
+/// whole batch (→ <c>failed</c>) or <see cref="FailIban"/> to fail just one destination (→ <c>partially_failed</c>,
+/// so the retry path is testable). The real transferor ignores these — the source settlement account, per-nurse
+/// Sheba, and the reconciliation callback come from provider config.
+/// </summary>
+public sealed class BankTransferOptions
+{
+    /// <summary>When true, every payout instruction is rejected so the whole-batch-failure path is testable.</summary>
+    public bool ForceFailure { get; set; }
+
+    /// <summary>A designated IBAN that is rejected while others succeed — exercises the <c>partially_failed</c>
+    /// batch outcome and the single-payout retry.</summary>
+    public string FailIban { get; set; } = string.Empty;
 }
 
 /// <summary>