Three-panel layout with 240px sidebar, tabbed session area, and
status bar. Sidebar has Connections/SFTP toggle, search input, and
collapsible group tree with protocol-colored dots. Tab bar shows
active sessions with color-coded indicators and close buttons.
Status bar displays connection info, theme, encoding, and terminal
size. All backed by connection and session Pinia stores with mock
data until Wails bindings are connected.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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