- Remove four redundant Rust functions - Update tests to call the active implementations directly - Remove unused TypeScript state, parameters, and imports - Resolve unused-code compiler warnings
- Align TPS and token normalization with Keeper - Add Redis usage queue batch pulling with HTTP fallback - Prevent cache and invalid token double counting - Refresh usage details immediately after new records arrive
- back up and transactionally migrate legacy usage databases - add durable inbox with retry, recovery, and cleanup - prefer RESP usage subscription with HTTP fallback - preserve existing usage APIs, queries, and deduplication behavior - add migration, inbox, and RESP protocol tests