- New package app/billing: Init/RecordUsage/Close with auto-migrate
- Integration in actionHandler: record tenant_id, operation, msg_count, msg_bytes
- Helm chart: billing section in values.yaml, secret-billing.yaml, env vars in deployment
- Optional: billing disabled by default (BILLING_PG_HOST not set = no-op)
- Table: sqs_usage_records with index on (tenant_id, recorded_at)
- json.Marshal(queue) сериализует ВСЕ сообщения под Lock — O(N*msg_size)
- log.Infof логирует полное тело каждого сообщения (256KB на запись)
- CPU limit 500m вызывает K8s CFS throttling на тяжёлых операциях
- PeriodicTasks держит глобальный Lock каждую секунду
- Баг: MessageDoesNotExist возвращает Code=QueueExists
- ChangeMessageVisibilityBatch: batch visibility timeout (up to 10 msgs)
- TagQueue: add/update queue tags
- UntagQueue: remove queue tags by keys
- ListQueueTags: list all queue tags
- Added Tags field to Queue struct
- Request/Response models for all 4 commands
- Registered in router (17 total API commands now)
- Yandex Message Queue API reference doc
- Standalone SQS-service repository
- Multi-tenant message queue service, AWS SQS compatible
- Based on GoAws, with mutable tenants, auth, WebUI, Redis persistence
- Ready for independent development and deployment
- See doc/ and README.md for architecture and usage