feat: enable Ctrl+W and Ctrl+K shortcuts when terminal is focused

src/App.js

@@ -371,6 +371,7 @@ function App() {
                       onToggleInfoPanel={() => setShowInfoPanel(!showInfoPanel)}
                       onOpenSFTP={() => setShowSFTP(true)}
                       showInfoPanel={showInfoPanel}
+                      onCloseTab={() => closeTab(tab.id)}
                     />
                   </div>
                 ))

src/components/Terminal.js

@@ -7,7 +7,7 @@ import { WebglAddon } from '@xterm/addon-webgl';
 import '@xterm/xterm/css/xterm.css';
 import { FiCommand, FiRefreshCw, FiInfo, FiFolder, FiActivity, FiZap } from 'react-icons/fi';
 
-function Terminal({ tabId, hostId, onConnectionChange, onShowCommandPalette, onToggleInfoPanel, onOpenSFTP, showInfoPanel }) {
+function Terminal({ tabId, hostId, onConnectionChange, onShowCommandPalette, onToggleInfoPanel, onOpenSFTP, showInfoPanel, onCloseTab }) {
   const containerRef = useRef(null);
   const terminalRef = useRef(null);
   const xtermRef = useRef(null);
@@ -26,6 +26,12 @@ function Terminal({ tabId, hostId, onConnectionChange, onShowCommandPalette, onT
   const onConnectionChangeRef = useRef(onConnectionChange);
   onConnectionChangeRef.current = onConnectionChange;
   
+  const onCloseTabRef = useRef(onCloseTab);
+  onCloseTabRef.current = onCloseTab;
+  
+  const onShowCommandPaletteRef = useRef(onShowCommandPalette);
+  onShowCommandPaletteRef.current = onShowCommandPalette;
+  
   const [connectionId, setConnectionId] = useState(null);
   const [isConnecting, setIsConnecting] = useState(false);
   const [error, setError] = useState(null);
@@ -225,6 +231,27 @@ function Terminal({ tabId, hostId, onConnectionChange, onShowCommandPalette, onT
         }
       });
 
+      // 自定义按键处理 - 拦截 Ctrl+W 和 Ctrl+K
+      term.attachCustomKeyEventHandler((e) => {
+        // Ctrl+W: 关闭当前标签页
+        if ((e.ctrlKey || e.metaKey) && e.key === 'w') {
+          e.preventDefault();
+          if (onCloseTabRef.current) {
+            onCloseTabRef.current();
+          }
+          return false; // 阻止 xterm 处理
+        }
+        // Ctrl+K: 打开命令面板
+        if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
+          e.preventDefault();
+          if (onShowCommandPaletteRef.current) {
+            onShowCommandPaletteRef.current();
+          }
+          return false;
+        }
+        return true; // 允许 xterm 处理其他按键
+      });
+
       // 选中自动复制到剪贴板
       term.onSelectionChange(() => {
         const selection = term.getSelection();