Builds Dart Bank's monthly Victor transaction-export file (32 columns,
partitioned by payment flow). The result is grouped into the five flows
Autumn Welk's April 2026 spec calls for:
ACH_Inbound, ACH_Outbound
WIRE_Inbound, Wire_Outbound
RTP_Inbound (no RTP outbound by spec)
Time semantics: the report is anchored to a Temporal.PlainYearMonth and
runs on Detroit (America/Detroit) wall-clock boundaries — first instant of
the month through last instant — matching Dart's reporting clock.
Builds Dart Bank's monthly Victor transaction-export file (32 columns, partitioned by payment flow). The result is grouped into the five flows Autumn Welk's April 2026 spec calls for:
Time semantics: the report is anchored to a
Temporal.PlainYearMonthand runs on Detroit (America/Detroit) wall-clock boundaries — first instant of the month through last instant — matching Dart's reporting clock.