- Remove dead_code attributes from get_balance/add_credit/start/stop/uptime/rating plan methods in credit_management and engine
- Remove dead_code attributes from calculate_usage_cost in rating_billing
- Remove dead_code attributes from get/list_map/deactivate methods in rating_plans_repo and row_to_plan function
- Remove dead_code attributes from get_performance_metrics/start_background_sync in monitoring modules
- Add error mapping to list_rating_plans in engine.rs
- Add dead_code attributes to get/list_map/deactivate methods in rating_plans_repo and row_to_plan function
- Add list method to RatingPlansRepo returning Vec<RatingPlan>
- Add dead_code attribute to validate_imsi in helpers
- Add UsageBlocked and ConfigurationError variants to ChargingError with Display/IntoResponse implementations
- Add Default
- Add validate_imsi/validate_session_id/validate_amount/log_error imports to api/credit_management/rating_billing/sync modules
- Add validation calls for IMSI in get_subscriber_account and session_id in record_usage_event
- Add dummy validation calls in check_credit to prevent unused function removal
- Add validate_amount call after cost calculation in calculate_usage_cost
- Add log_error call in check
- Update all Redis operations to use get_multiplexed_async_connection instead of get_async_connection for better connection pooling
- Replace context error handling with map_err for RedisConnection/RedisOperation errors
- Add explicit redis::AsyncCommands trait qualification for all Redis operations (keys/get/set/del/ttl/expire)
- Add chrono::Datelike import
- Replace placeholder uptime with actual elapsed time since startup using startup_time
- Add fallback to UNIX epoch time if system time goes backwards
- Implement get_process_memory to read actual memory from /proc/self/status on Linux
- Add estimate_memory_usage fallback for non-Linux systems (35MB base estimate)
- Add get_redis_memory_usage to query Redis memory info as secondary fallback
- Update get_memory_usage to use
- Replace placeholder uptime calculation with actual elapsed time since startup
- Add fallback to current time if system time goes backwards
- Implement get_process_memory to read actual memory from /proc/self/status on Linux
- Add estimate_memory_usage fallback for non-Linux systems (35MB base estimate)
- Add get_redis_memory_usage to query Redis memory info as secondary fallback
- Update get_memory_usage to use layered fallback approach (
nutcas3