Found probing a copy of the live SimpleFIN DB: 3 transactions were
match_status='matched' with matched_bill_id=NULL. Bills are soft-deleted
(retained for recovery), then the retention GC hard-deletes them past the
30-day window. transactions.matched_bill_id is ON DELETE SET NULL, so the
purge nulled the pointer but left match_status='matched' — a limbo row
excluded from spending/analytics (match_status != 'matched') yet attributed
to no bill, silently dropping that spend.
pruneSoftDeletedFinancialRecords now releases those matches back to
'unmatched' in the same transaction and self-heals pre-existing orphans;
retention behaviour is unchanged. Verified on a live-DB copy (3→0 orphans,
0 transactions lost). Regression: 3 tests in backupAndCleanup.test.js.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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