feat: add comprehensive keyboard shortcuts for improved navigation and productivity

docs/FEATURES.md

@@ -159,6 +159,37 @@ Professional testing infrastructure with high code coverage.
 - **Real-time Updates**: Immediate feedback and data updates
 - **Error Handling**: Comprehensive error messages and recovery options
 
+### ⌨️ Keyboard Shortcuts
+Comprehensive keyboard shortcuts for efficient navigation and data entry.
+
+#### File Operations:
+- **Ctrl+S**: Save/Add new entry - Quickly save current entry data
+- **Ctrl+Q**: Quit application - Exit with confirmation dialog
+- **Ctrl+E**: Export data - Open export dialog window
+
+#### Data Management:
+- **Ctrl+N**: Clear entries - Clear all input fields for new entry
+- **Ctrl+R / F5**: Refresh data - Reload data from CSV and update displays
+
+#### Window Management:
+- **Ctrl+M**: Manage medicines - Open medicine management window
+- **Ctrl+P**: Manage pathologies - Open pathology management window
+
+#### Table Operations:
+- **Delete**: Delete selected entry - Remove selected table entry with confirmation
+- **Escape**: Clear selection - Clear current table selection
+- **Double-click**: Edit entry - Open edit dialog for selected entry
+
+#### Help System:
+- **F1**: Show keyboard shortcuts - Display help dialog with all shortcuts
+
+#### Integration Features:
+- **Menu Display**: All shortcuts shown in menu bar next to items
+- **Button Labels**: Primary buttons show their keyboard shortcuts
+- **Case Insensitive**: Both Ctrl+S and Ctrl+Shift+S work
+- **Focus Management**: Shortcuts work when main window has focus
+- **Status Feedback**: All operations provide status bar feedback
+
 ## Technical Architecture
 
 ### 🏗️ Modular Design