feat: 添加跳板机功能

packages/frontend/src/locales/en-US.json

@@ -197,6 +197,9 @@
       "tags": "Tags:",
       "notes": "Notes:",
       "notesPlaceholder": "Enter connection notes...",
+      "connectionMode": "Proxy Type:",
+      "connectionModeProxy": "Proxy Server",
+      "connectionModeJumpHost": "Jump Host",
       "connectionType": "Connection Type:",
       "typeSsh": "SSH",
       "typeRdp": "RDP",
@@ -259,7 +262,14 @@
       "scriptErrorInvalidUserHostPortFormat": "Invalid format for '{part}', expected format is 'user@host' or 'user@host:port'",
       "scriptTagCreated": "Tag '{tagName}' created",
       "scriptErrorTagCreationFailed": "Failed to create tag '{tagName}'",
-      "scriptModeAddingConnections": "Adding {count} connections via script mode..."
+      "scriptModeAddingConnections": "Adding {count} connections in script mode...",
+"jumpHostsTitle": "Jump Host Chain Configuration",
+"jumpHostLabel": "Jump Host",
+"selectJumpHost": "Please select a jump host",
+"removeJumpHostTitle": "Remove this jump host",
+"addJumpHost": "Add Jump Host",
+"noAvailableSshConnectionsForJump": "No available SSH connections for jump host. Please create some SSH connections first."
+
     },
     "test": {
       "success": "Connection test successful!",