Implements comprehensive OCaml type definitions for the JMAP protocol:
- Basic data types (id, int_t, unsigned_int, date, utc_date)
- Core objects (error, set_error, invocation, result_reference)
- Filter and sorting mechanisms
- Account and session management
- Push notification structures
- Request/response structures
- Standard method argument and response types

All types are documented with corresponding RFC section references.

🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>