Opens FolderPicker to select the destination path instead of requiring manual typing. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Remove the Load Snapshots button. Snapshots are fetched automatically when both target and remote have values, triggered by Select.Changed events. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
New tui/ package with 14 screens (main menu, backup, restore, targets, remotes, snapshots, verify, retention, schedule, logs, settings, wizard), 3 custom widgets (folder picker, confirm dialog, operation log), async backend wrapper, pure-Python config parser, and TCSS theme. bin/gniza now launches Textual TUI when available, falls back to gum. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
