Record successful and failed API token operations with safe target metadata. Capture quota adjustments in a transaction, synchronize committed cache differences, and correlate audit and top-up records.
Show operation targets, changes, quota balances, and failure details consistently across audit and usage logs, with translations for all seven locales.
Validated controller, middleware, and model tests; 78 frontend tests; typecheck and lint; real SQLite 3.50.4, MySQL 8.4.11, and PostgreSQL 16.15 with shared and separate log databases.
