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>
Replace flat file list with a Tree widget that shows directory
structure. Strips remote path prefix to show relative paths only.
Folders shown in bold with trailing /, sorted dirs-first.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Show only the SSH key path input (with Browse button) when auth method
is "key", and only the password input when auth method is "password".
Adds a FilePicker widget for browsing SSH key files, defaulting to
~/.ssh directory.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
