* fix: refactor to accommodate authentication, transaction and pagination together into ctx.state
* feat: allow passing response type to APIContext
* feat: preliminary work for initial review
* fix: use unknown for base types
* fix: api/attachments
* fix: api/documents
* fix: jsdoc comment for input
* fix: replace at() with index access for compatibility
* fix: validation err message
* fix: error handling
* fix: remove unnecessary extend