billMerchantRuleService.syncBillPaymentsFromSimplefin (a money-CREATING
path): a rule-matched unmatched transaction becomes exactly one
provider_sync payment (cents, tx→matched), re-running is idempotent (no
dup — match-status filter + the UNIQUE(transaction_id) index), and a
non-matching tx is left alone. spendingService budgets: dollars↔cents
round-trip + set/update/clear. Suite 221 green.
(spreadsheet createPaymentFromImport dedupe is analogous to the payment
atomicity already covered in Track A; a full XLSX-parse test is deferred
as lower-value/high-setup.)
Co-Authored-By: Claude Opus 4.8 <[email protected]>
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