- Replace arrow keys with j/k for navigation
- Add h/l for collapse/expand directories
- Remove emoji icons, use clean text markers
- Show directories with [-]/[+] expand markers
- Track expanded state per directory path
- Add directory suffix (/) for clarity
- Update help text with vim bindings
- Add Cargo project with TUI and async dependencies
- Implement cache-only architecture for low bandwidth operation
- Add file scanner with media type detection
- Create two-panel TUI layout (file tree and status)
- Add config file support for scan path management
- Implement XDG-compliant cache and config directories
- Add Gitea CI/CD workflow for automated releases
