- Create Capability module in Jmap with typed handling of core URIs
- Create Capability module in Jmap_mail with typed handling of mail URIs
- Replace hardcoded URI strings with typed versions in client code
- Improves type safety by ensuring URIs are correctly managed
- Provides parsing/stringifying functions for interoperability

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

- Fix typo in URI from "sessio" to "session"
- Modify HTTP client to support both GET and POST methods as required by API
- Improve JSON parsing to handle null values in API responses
- Add detailed debug logging to help troubleshoot API interactions
- Update mailbox and email parsers to be more robust with server responses

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