- Change file mode from 644 to 755 for all project files - Add chain_id parameter to get_balance RPC endpoint with default "ait-devnet" - Rename Miner.extra_meta_data to extra_metadata for consistency
- Add general exception handler to catch all unhandled exceptions with structured error responses - Add structured logging to validation error handler with request context - Implement slowapi rate limiting on marketplace endpoints (100/min list, 50/min stats, 30/min bid) - Implement slowapi rate limiting on exchange payment creation (20/min) - Add Request parameter to rate-limited endpoints for slow