- Replaced all direct `process.env` references with `Config` class constants.
- Added `dotenv` package to manage environment variables.
- Updated affected files, including schema loader, Zabbix API, resolvers, logging system, and integration points.
- Improved maintainability and consistency in environment variable handling.
- Added comprehensive descriptions to all types, interfaces, and fields in 'schema/api_commons.graphql'.
- Improved documentation for mutations and input/response types in 'schema/mutations.graphql'.
- Added detailed descriptions for all queries and their arguments in 'schema/queries.graphql'.
- Enhanced documentation for core Zabbix types and enums in 'schema/zabbix.graphql'.
- Updated extension schemas under 'schema/extensions/' with proper GraphQL descriptions.
- Verified schema validity via 'graphql-codegen' and ran all tests to ensure consistency.
- Implemented GraphQL endpoints for importing, querying, and deleting Zabbix templates and template groups. - Added support for full template data import, including items, preprocessing steps, tags, and linked templates. - Implemented dependent item support by deferred creation logic in the template importer. - Added ability to query templates and template groups with name pattern filtering (supporting Zabbix wildcards). - Implemented batch deletion for templates and template groups by ID or name pattern. - Improved error reporting by including detailed Zabbix API error data in GraphQL responses. - Added comprehensive unit and integration tests covering all new functionality. - Provided GraphQL sample queries and mutations in the 'docs' directory for all new endpoints.
