## Summary
- add creditor/debtor fields to transactions with raw_data backfill
- store counterparties on bank sync and CSV/XLS imports
- add creditor/debtor filters plus hidden table columns
## Tests
- php artisan test --compact tests/Feature/LocalizationTest.php
tests/Feature/OpenBanking/TransactionSyncServiceTest.php
tests/Feature/TransactionFilterTest.php
- npm test -- resources/js/lib/file-parser.test.ts --run
- vendor/bin/pint --dirty --format agent
Note: `npm run types` still has pre-existing unrelated errors; no
creditor/debtor/import-related errors remained in filtered output.
## Screenshot
<img width="1241" height="676" alt="8odYWtFcvUM"
src="https://github.com/user-attachments/assets/55653485-d588-4beb-9e6a-5c7c81ba7cf8"
/>
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