- amount_abs now uses inflow_transaction.entry.amount_money.abs
instead of the amount column, which is never set by the auto-matcher
- Rename transfer_has_opposite_amounts_or_fees to
transfer_has_opposite_amounts (validation no longer checks fees)
- Remove unused calculate_rate_tab / convert_tab i18n keys
- Add fee-field assertions to API controller test and rswag spec
* feat(exports): preserve transfer decisions
* fix(api): apply transfer date filters to both sides
* fix(api): refine transfer decision handling
* fix(api): align transfer decision schemas
* fix(api): use current context for transfer filters
* fix(api): include either side in transfer date filters
* fix(api): deduplicate transfer decision filters
* fix(api): guard transfer decision exports