feat(ui): add Ctrl/Cmd+L to send selected text to chat

Bind mod+l to append the current selection into the chat composer
(Cursor-style), and move session sidebar toggle to mod+alt+l so desktop
menus stay in sync. Closes #208.

Co-authored-by: Serhii Dziupin <makeittech@users.noreply.github.com>

packages/ui/src/hooks/useKeyboardShortcuts.ts

@@ -16,6 +16,7 @@ import { useDirectoryStore } from '@/stores/useDirectoryStore';
 import { useProjectsStore } from '@/stores/useProjectsStore';
 import { getCycledPrimaryAgentName } from '@/components/chat/mobileControlsUtils';
 import { focusChatInput } from '@/components/chat/composer/editor/dom';
+import { addSelectionToChat } from '@/lib/addSelectionToChat';
 import { hasOpenDropdown } from './keyboard-shortcut-dom';
 
 export const useKeyboardShortcuts = () => {
@@ -337,6 +338,12 @@ export const useKeyboardShortcuts = () => {
         return;
       }
 
+      if (eventMatchesShortcut(e, combo('add_selection_to_chat'))) {
+        e.preventDefault();
+        addSelectionToChat();
+        return;
+      }
+
       if (eventMatchesShortcut(e, combo('toggle_sidebar'))) {
         e.preventDefault();
         const { isMobile, isSessionSwitcherOpen } = useUIStore.getState();

packages/ui/src/hooks/useMenuActions.ts

@@ -10,6 +10,7 @@ import { useThemeSystem } from '@/contexts/useThemeSystem';
 import { sessionEvents } from '@/lib/sessionEvents';
 import { createWorktreeSession } from '@/lib/worktreeSessionCreator';
 import { showOpenCodeStatus } from '@/lib/openCodeStatus';
+import { addSelectionToChat } from '@/lib/addSelectionToChat';
 
 const getActiveElementSelectedText = (): string => {
   if (typeof document === 'undefined') {
@@ -77,6 +78,7 @@ type MenuAction =
   | 'toggle-terminal'
   | 'toggle-terminal-expanded'
   | 'copy'
+  | 'add-selection-to-chat'
   | 'theme-light'
   | 'theme-dark'
   | 'theme-system'
@@ -278,6 +280,10 @@ export const useMenuActions = (
           setThemeMode('system');
           break;
 
+        case 'add-selection-to-chat':
+          addSelectionToChat();
+          break;
+
         case 'toggle-sidebar':
           toggleSidebar();
           break;