Split each screen into two columns: existing controls on the left, a DocsPanel with Rich-markup documentation on the right (30% width). Press F1 to toggle the help panel on/off from any screen. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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>
