Andrey Kozhevnikov enhanced error handling and documentation for the moysklad/api-remap-1.2-doc and moysklad/api-remap-1.2-doc-in repositories by introducing a new downtime error code, 1095, to clearly indicate temporary unavailability to API users. He improved user-facing messaging by adding detailed Markdown documentation with retry guidance, ensuring users receive actionable information during outages. Andrey focused on documentation consistency, refining formatting and indentation for better readability and maintainability. His work leveraged skills in API design, error handling, and technical writing, resulting in more transparent communication of downtime events and reducing potential support requests. The changes addressed cross-repository alignment and documentation quality.