feat: add ctrl+enter send option & fix IME problen (#62)

src/App.jsx

@@ -64,6 +64,10 @@ function AppContent() {
     const saved = localStorage.getItem('autoScrollToBottom');
     return saved !== null ? JSON.parse(saved) : true;
   });
+  const [sendByCtrlEnter, setSendByCtrlEnter] = useState(() => {
+    const saved = localStorage.getItem('sendByCtrlEnter');
+    return saved !== null ? JSON.parse(saved) : false;
+  });
   // Session Protection System: Track sessions with active conversations to prevent
   // automatic project updates from interrupting ongoing chats. When a user sends
   // a message, the session is marked as "active" and project updates are paused
@@ -586,6 +590,7 @@ function AppContent() {
           autoExpandTools={autoExpandTools}
           showRawParameters={showRawParameters}
           autoScrollToBottom={autoScrollToBottom}
+          sendByCtrlEnter={sendByCtrlEnter}
         />
       </div>
 
@@ -617,6 +622,11 @@ function AppContent() {
             setAutoScrollToBottom(value);
             localStorage.setItem('autoScrollToBottom', JSON.stringify(value));
           }}
+          sendByCtrlEnter={sendByCtrlEnter}
+          onSendByCtrlEnterChange={(value) => {
+            setSendByCtrlEnter(value);
+            localStorage.setItem('sendByCtrlEnter', JSON.stringify(value));
+          }}
           isMobile={isMobile}
         />
       )}

src/components/ChatInterface.jsx

@@ -1016,7 +1016,7 @@ const ImageAttachment = ({ file, onRemove, uploadProgress, error }) => {
 // - onReplaceTemporarySession: Called to replace temporary session ID with real WebSocket session ID
 //
 // This ensures uninterrupted chat experience by pausing sidebar refreshes during conversations.
-function ChatInterface({ selectedProject, selectedSession, ws, sendMessage, messages, onFileOpen, onInputFocusChange, onSessionActive, onSessionInactive, onReplaceTemporarySession, onNavigateToSession, onShowSettings, autoExpandTools, showRawParameters, autoScrollToBottom }) {
+function ChatInterface({ selectedProject, selectedSession, ws, sendMessage, messages, onFileOpen, onInputFocusChange, onSessionActive, onSessionInactive, onReplaceTemporarySession, onNavigateToSession, onShowSettings, autoExpandTools, showRawParameters, autoScrollToBottom, sendByCtrlEnter }) {
   const [input, setInput] = useState(() => {
     if (typeof window !== 'undefined' && selectedProject) {
       return localStorage.getItem(`draft_input_${selectedProject.name}`) || '';
@@ -2024,14 +2024,21 @@ function ChatInterface({ selectedProject, selectedSession, ws, sendMessage, mess
     
     // Handle Enter key: Ctrl+Enter (Cmd+Enter on Mac) sends, Shift+Enter creates new line
     if (e.key === 'Enter') {
+      // If we're in composition, don't send message
+      if (e.nativeEvent.isComposing) {
+        return; // Let IME handle the Enter key
+      }
+      
       if ((e.ctrlKey || e.metaKey) && !e.shiftKey) {
         // Ctrl+Enter or Cmd+Enter: Send message
         e.preventDefault();
         handleSubmit(e);
       } else if (!e.shiftKey && !e.ctrlKey && !e.metaKey) {
-        // Plain Enter: Also send message (keeping original behavior)
+        // Plain Enter: Send message only if not in IME composition
-        e.preventDefault();
+        if (!sendByCtrlEnter) {
-        handleSubmit(e);
+          e.preventDefault();
+          handleSubmit(e);
+        }
       }
       // Shift+Enter: Allow default behavior (new line)
     }
@@ -2462,12 +2469,16 @@ function ChatInterface({ selectedProject, selectedSession, ws, sendMessage, mess
           </div>
           {/* Hint text */}
           <div className="text-xs text-gray-500 dark:text-gray-400 text-center mt-2 hidden sm:block">
-            Press Enter to send • Shift+Enter for new line • Tab to change modes • @ to reference files
+            {sendByCtrlEnter 
+              ? "Ctrl+Enter to send (IME safe) • Shift+Enter for new line • Tab to change modes • @ to reference files" 
+              : "Press Enter to send • Shift+Enter for new line • Tab to change modes • @ to reference files"}
           </div>
           <div className={`text-xs text-gray-500 dark:text-gray-400 text-center mt-2 sm:hidden transition-opacity duration-200 ${
             isInputFocused ? 'opacity-100' : 'opacity-0'
           }`}>
-            Enter to send • Tab for modes • @ for files
+            {sendByCtrlEnter 
+              ? "Ctrl+Enter to send (IME safe) • Tab for modes • @ for files" 
+              : "Enter to send • Tab for modes • @ for files"}
           </div>
         </form>
       </div>

src/components/MainContent.jsx

@@ -39,7 +39,8 @@ function MainContent({
   onShowSettings,         // Show tools settings panel
   autoExpandTools,        // Auto-expand tool accordions
   showRawParameters,      // Show raw parameters in tool accordions
-  autoScrollToBottom      // Auto-scroll to bottom when new messages arrive
+  autoScrollToBottom,     // Auto-scroll to bottom when new messages arrive
+  sendByCtrlEnter         // Send by Ctrl+Enter mode for East Asian language input
 }) {
   const [editingFile, setEditingFile] = useState(null);
 
@@ -285,6 +286,7 @@ function MainContent({
             autoExpandTools={autoExpandTools}
             showRawParameters={showRawParameters}
             autoScrollToBottom={autoScrollToBottom}
+            sendByCtrlEnter={sendByCtrlEnter}
           />
         </div>
         <div className={`h-full overflow-hidden ${activeTab === 'files' ? 'block' : 'hidden'}`}>

src/components/QuickSettingsPanel.jsx

@@ -11,7 +11,8 @@ import {
   Mic,
   Brain,
   Sparkles,
-  FileText
+  FileText,
+  Languages
 } from 'lucide-react';
 import DarkModeToggle from './DarkModeToggle';
 import { useTheme } from '../contexts/ThemeContext';
@@ -25,6 +26,8 @@ const QuickSettingsPanel = ({
   onShowRawParametersChange,
   autoScrollToBottom,
   onAutoScrollChange,
+  sendByCtrlEnter,
+  onSendByCtrlEnterChange,
   isMobile
 }) => {
   const [localIsOpen, setLocalIsOpen] = useState(isOpen);
@@ -142,6 +145,27 @@ const QuickSettingsPanel = ({
               </label>
             </div>
 
+            {/* Input Settings */}
+            <div className="space-y-2">
+              <h4 className="text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400 mb-2">Input Settings</h4>
+              
+              <label className="flex items-center justify-between p-3 rounded-lg bg-gray-50 dark:bg-gray-800 hover:bg-gray-100 dark:hover:bg-gray-700 cursor-pointer transition-colors border border-transparent hover:border-gray-300 dark:hover:border-gray-600">
+                <span className="flex items-center gap-2 text-sm text-gray-900 dark:text-white">
+                  <Languages className="h-4 w-4 text-gray-600 dark:text-gray-400" />
+                  Send by Ctrl+Enter
+                </span>
+                <input
+                  type="checkbox"
+                  checked={sendByCtrlEnter}
+                  onChange={(e) => onSendByCtrlEnterChange(e.target.checked)}
+                  className="h-4 w-4 rounded border-gray-300 dark:border-gray-600 text-blue-600 dark:text-blue-500 focus:ring-blue-500 dark:focus:ring-blue-400 dark:bg-gray-800 dark:checked:bg-blue-600"
+                />
+              </label>
+              <p className="text-xs text-gray-500 dark:text-gray-400 ml-3">
+                When enabled, pressing Ctrl+Enter will send the message instead of just Enter. This is useful for IME users to avoid accidental sends.
+              </p>
+            </div>
+
             {/* Whisper Dictation Settings - HIDDEN */}
             <div className="space-y-2" style={{ display: 'none' }}>
               <h4 className="text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400 mb-2">Whisper Dictation</h4>