✨ feat(desktop): support clearing hotkey bindings in ShortcutManager (#12727)

* 🔧 chore: update @lobehub/ui dependency to a specific version URL and enhance ShortcutManager functionality

- Updated @lobehub/ui dependency in package.json to a specific version URL.
- Improved ShortcutManager to handle empty accelerator bindings, allowing users to clear shortcuts.
- Updated tests to reflect changes in shortcut handling and added localization for clear binding messages in both Chinese and English.

Signed-off-by: Innei <tukon479@gmail.com>

* 🔧 chore: update @lobehub/ui dependency to version 5.4.0 in package.json

- Changed the @lobehub/ui dependency from a specific version URL to version 5.4.0 for improved stability and consistency.

Signed-off-by: Innei <tukon479@gmail.com>

* 🔧 chore: update @lobehub/ui dependency to use caret versioning in package.json

- Changed the @lobehub/ui dependency from a fixed version to caret versioning (^5.4.0) to allow for minor updates and improvements.

Signed-off-by: Innei <tukon479@gmail.com>

---------

Signed-off-by: Innei <tukon479@gmail.com>

apps/desktop/src/main/core/ui/ShortcutManager.ts

@@ -84,13 +84,23 @@ export class ShortcutManager {
       }
 
       // 2. Basic format validation
-      if (!accelerator || typeof accelerator !== 'string' || accelerator.trim() === '') {
+      if (typeof accelerator !== 'string') {
         logger.error(`Invalid accelerator format: ${accelerator}`);
         return { errorType: 'INVALID_FORMAT', success: false };
       }
 
+      const trimmedAccelerator = accelerator.trim();
+
+      // Empty value means disable this shortcut binding
+      if (trimmedAccelerator === '') {
+        this.shortcutsConfig[id] = '';
+        this.saveShortcutsConfig();
+        this.registerConfiguredShortcuts();
+        return { success: true };
+      }
+
       // Convert frontend format to Electron format
-      const convertedAccelerator = this.convertAcceleratorFormat(accelerator.trim());
+      const convertedAccelerator = this.convertAcceleratorFormat(trimmedAccelerator);
       const cleanAccelerator = convertedAccelerator.toLowerCase();
 
       logger.debug(`Converted accelerator from ${accelerator} to ${convertedAccelerator}`);
@@ -221,7 +231,7 @@ export class ShortcutManager {
       // If no configuration, use default configuration
       if (!config || Object.keys(config).length === 0) {
         logger.debug('No shortcuts config found, using defaults');
-        this.shortcutsConfig = DEFAULT_SHORTCUTS_CONFIG;
+        this.shortcutsConfig = { ...DEFAULT_SHORTCUTS_CONFIG };
         this.saveShortcutsConfig();
       } else {
         // Filter out invalid shortcuts that are not in DEFAULT_SHORTCUTS_CONFIG
@@ -257,7 +267,7 @@ export class ShortcutManager {
       logger.debug('Loaded shortcuts config:', this.shortcutsConfig);
     } catch (error) {
       logger.error('Error loading shortcuts config:', error);
-      this.shortcutsConfig = DEFAULT_SHORTCUTS_CONFIG;
+      this.shortcutsConfig = { ...DEFAULT_SHORTCUTS_CONFIG };
       this.saveShortcutsConfig();
     }
   }

apps/desktop/src/main/core/ui/__tests__/ShortcutManager.test.ts

@@ -175,11 +175,17 @@ describe('ShortcutManager', () => {
       expect(result.errorType).toBe('INVALID_ID');
     });
 
-    it('should reject empty accelerator', () => {
+    it('should clear shortcut when accelerator is empty', () => {
       const result = shortcutManager.updateShortcutConfig('showApp', '');
 
-      expect(result.success).toBe(false);
-      expect(result.errorType).toBe('INVALID_FORMAT');
+      expect(result.success).toBe(true);
+      expect(result.errorType).toBeUndefined();
+      expect(mockStoreManager.set).toHaveBeenCalledWith(
+        'shortcuts',
+        expect.objectContaining({
+          showApp: '',
+        }),
+      );
     });
 
     it('should reject accelerator without modifier keys', () => {