feat: add comprehensive keyboard shortcuts for improved navigation and productivity

docs/CHANGELOG.md

@@ -5,6 +5,40 @@ All notable changes to TheChart project are documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.7.0] - 2025-08-05
+
+### ⌨️ Keyboard Shortcuts System
+- **Added**: Comprehensive keyboard shortcuts for improved productivity
+- **Added**: File operations shortcuts (Ctrl+S, Ctrl+Q, Ctrl+E)
+- **Added**: Data management shortcuts (Ctrl+N, Ctrl+R, F5)
+- **Added**: Window management shortcuts (Ctrl+M, Ctrl+P)
+- **Added**: Table operation shortcuts (Delete, Escape)
+- **Added**: Help system shortcut (F1)
+- **Added**: Menu integration showing shortcuts next to menu items
+- **Added**: Button labels updated to show primary shortcuts
+- **Added**: In-app help dialog accessible via F1
+- **Added**: Status bar feedback for all keyboard operations
+- **Improved**: Button text shows shortcuts (e.g., "Add Entry (Ctrl+S)")
+- **Improved**: Case-insensitive shortcuts (Ctrl+S and Ctrl+Shift+S both work)
+
+#### Keyboard Shortcuts Added:
+- **Ctrl+S**: Save/Add new entry
+- **Ctrl+Q**: Quit application (with confirmation)
+- **Ctrl+E**: Export data
+- **Ctrl+N**: Clear entries
+- **Ctrl+R / F5**: Refresh data
+- **Ctrl+M**: Manage medicines
+- **Ctrl+P**: Manage pathologies
+- **Delete**: Delete selected entry (with confirmation)
+- **Escape**: Clear selection
+- **F1**: Show keyboard shortcuts help
+
+### 📚 Documentation Updates
+- **Updated**: FEATURES.md with keyboard shortcuts section
+- **Added**: KEYBOARD_SHORTCUTS.md with comprehensive shortcut reference
+- **Updated**: In-app help system with shortcut information
+- **Updated**: About dialog with keyboard shortcut mention
+
 ## [1.6.1] - 2025-07-31
 
 ### 📚 Documentation Overhaul