feat(fusion_accounting_bank_rec): auto-reconcile wizard

TransientModel that filters unreconciled bank lines by journal +
date range + strategy and runs engine.reconcile_batch. Shows
reconciled_count / skipped_count / error_summary in result view.

Made-with: Cursor

fusion_accounting_bank_rec/tests/__init__.py

@@ -16,3 +16,4 @@ from . import test_legacy_tools_refactor
 from . import test_mv_unreconciled
 from . import test_cron_methods
 from . import test_controller
+from . import test_auto_reconcile_wizard