- ShortcutsDialog: grouped tree of all keyboard shortcuts (Help menu)
- Workspace tab context menu: Rename, Close, Close Others, Close to Right
- SQL query tab context menu: Rename, Duplicate, Close, Close Others
- Smart status bar: right-side connection indicator + selected cell preview
- File → Open SQL File (Ctrl+O), Save (Ctrl+S), Save As, Open Recent
- Recent files persisted to ~/.dbclient/recent_files.json (last 10)
- TableViewer.cell_selected signal wired to status bar cell preview
- EditorTab._filepath tracks the file associated with each query tab
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
