- Add comprehensive Rust implementation matching Go functionality
- Configuration loading with automatic file discovery
- GNU-style command line parsing with clap (--config/-c, --max-messages/-m)
- CouchDB client integration with document storage and sync metadata
- IMAP client functionality with message fetching and parsing
- Folder filtering with wildcard pattern support (*, ?, [abc])
- Message filtering by subject, sender, and recipient keywords
- Incremental sync functionality with metadata tracking
- Bash completion generation matching Go implementation
- Cross-compatible document schemas and database structures
- Successfully tested with existing test environment
Note: TLS support and advanced email parsing features pending
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
